; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=amdgcn -mcpu=gfx908 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GFX908 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx90a -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GFX90A %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx942 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GFX942 %s


; Check that we do not copy agprs to vgprs and back inside the loop.
; Final result should be read only once after the loop.

define amdgpu_kernel void @test_mfma_loop_zeroinit(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_zeroinit:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:  .LBB0_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB0_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_zeroinit:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:  .LBB0_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB0_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_zeroinit:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a1, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:  .LBB0_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB0_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ zeroinitializer, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}


; Check that we do not use 32 temp vgprs, but rotate 3 vgprs only.
; 3 vgprs are needed to avoid wait states between writes.
; Check that we do not use 32 temp sgprs as well.

define amdgpu_kernel void @test_mfma_loop_unfoldable_splat(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_unfoldable_splat:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x42f60000
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:  .LBB1_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB1_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_unfoldable_splat:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x42f60000
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:  .LBB1_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB1_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_unfoldable_splat:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x42f60000
; GFX942-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:  .LBB1_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB1_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ <float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0, float 123.0>, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

define amdgpu_kernel void @test_mfma_loop_non_splat(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_non_splat:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_accvgpr_write_b32 a1, 1.0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX908-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX908-NEXT:  .LBB2_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB2_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_non_splat:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, 1.0
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX90A-NEXT:  .LBB2_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB2_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_non_splat:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_accvgpr_write_b32 a1, 1.0
; GFX942-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX942-NEXT:  .LBB2_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v0, v1, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB2_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ <float 0.0, float 1.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0>, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

; Check that we do not use 32 temp vgprs, but rotate 3 vgprs only.
; 3 vgprs are needed to avoid wait states between writes.

; FIXME: Constant is now in VGPR instead of SGPR.

define amdgpu_kernel void @test_mfma_loop_unfoldable_seq(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_unfoldable_seq:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x431a0000
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43190000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43180000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43170000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43160000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43150000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43140000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43130000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43120000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43110000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43100000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x430f0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x430e0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x430d0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x430c0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x430b0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x430a0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43090000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43080000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43070000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43060000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43050000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43040000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43030000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43020000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43010000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x43000000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x42fe0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x42fc0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x42fa0000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x42f80000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 0x42f60000
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:  .LBB3_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB3_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_unfoldable_seq:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x431a0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43190000
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43180000
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43170000
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43160000
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43150000
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43140000
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43130000
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43120000
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43110000
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43100000
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x430f0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x430e0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x430d0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x430c0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x430b0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x430a0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43090000
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43080000
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43070000
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43060000
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43050000
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43040000
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43030000
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43020000
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43010000
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x43000000
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x42fe0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x42fc0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x42fa0000
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x42f80000
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0x42f60000
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:  .LBB3_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB3_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_unfoldable_seq:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x431a0000
; GFX942-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43190000
; GFX942-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43180000
; GFX942-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43170000
; GFX942-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43160000
; GFX942-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43150000
; GFX942-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43140000
; GFX942-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43130000
; GFX942-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43120000
; GFX942-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43110000
; GFX942-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43100000
; GFX942-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x430f0000
; GFX942-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x430e0000
; GFX942-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x430d0000
; GFX942-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x430c0000
; GFX942-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x430b0000
; GFX942-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x430a0000
; GFX942-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43090000
; GFX942-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43080000
; GFX942-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43070000
; GFX942-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43060000
; GFX942-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43050000
; GFX942-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43040000
; GFX942-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43030000
; GFX942-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43020000
; GFX942-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43010000
; GFX942-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x43000000
; GFX942-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x42fe0000
; GFX942-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x42fc0000
; GFX942-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x42fa0000
; GFX942-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x42f80000
; GFX942-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 0x42f60000
; GFX942-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:  .LBB3_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB3_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ <float 123.0, float 124.0, float 125.0, float 126.0, float 127.0, float 128.0, float 129.0, float 130.0, float 131.0, float 132.0, float 133.0, float 134.0, float 135.0, float 136.0, float 137.0, float 138.0, float 139.0, float 140.0, float 141.0, float 142.0, float 143.0, float 144.0, float 145.0, float 146.0, float 147.0, float 148.0, float 149.0, float 150.0, float 151.0, float 152.0, float 153.0, float 154.0>, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

define amdgpu_kernel void @test_mfma_loop_vgpr_init(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_vgpr_init:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:  .LBB4_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB4_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_vgpr_init:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:  .LBB4_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB4_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_vgpr_init:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:  .LBB4_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB4_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %init = bitcast i32 %tid to float
  %tmp0 = insertelement <32 x float> poison, float %init, i32 0
  %tmp1 = insertelement <32 x float> %tmp0, float %init, i32 1
  %tmp2 = insertelement <32 x float> %tmp1, float %init, i32 2
  %tmp3 = insertelement <32 x float> %tmp2, float %init, i32 3
  %tmp4 = insertelement <32 x float> %tmp3, float %init, i32 4
  %tmp5 = insertelement <32 x float> %tmp4, float %init, i32 5
  %tmp6 = insertelement <32 x float> %tmp5, float %init, i32 6
  %tmp7 = insertelement <32 x float> %tmp6, float %init, i32 7
  %tmp8 = insertelement <32 x float> %tmp7, float %init, i32 8
  %tmp9 = insertelement <32 x float> %tmp8, float %init, i32 9
  %tmp10 = insertelement <32 x float> %tmp9, float %init, i32 10
  %tmp11 = insertelement <32 x float> %tmp10, float %init, i32 11
  %tmp12 = insertelement <32 x float> %tmp11, float %init, i32 12
  %tmp13 = insertelement <32 x float> %tmp12, float %init, i32 13
  %tmp14 = insertelement <32 x float> %tmp13, float %init, i32 14
  %tmp15 = insertelement <32 x float> %tmp14, float %init, i32 15
  %tmp16 = insertelement <32 x float> %tmp15, float %init, i32 16
  %tmp17 = insertelement <32 x float> %tmp16, float %init, i32 17
  %tmp18 = insertelement <32 x float> %tmp17, float %init, i32 18
  %tmp19 = insertelement <32 x float> %tmp18, float %init, i32 19
  %tmp20 = insertelement <32 x float> %tmp19, float %init, i32 20
  %tmp21 = insertelement <32 x float> %tmp20, float %init, i32 21
  %tmp22 = insertelement <32 x float> %tmp21, float %init, i32 22
  %tmp23 = insertelement <32 x float> %tmp22, float %init, i32 23
  %tmp24 = insertelement <32 x float> %tmp23, float %init, i32 24
  %tmp25 = insertelement <32 x float> %tmp24, float %init, i32 25
  %tmp26 = insertelement <32 x float> %tmp25, float %init, i32 26
  %tmp27 = insertelement <32 x float> %tmp26, float %init, i32 27
  %tmp28 = insertelement <32 x float> %tmp27, float %init, i32 28
  %tmp29 = insertelement <32 x float> %tmp28, float %init, i32 29
  %tmp30 = insertelement <32 x float> %tmp29, float %init, i32 30
  %tmp31 = insertelement <32 x float> %tmp30, float %init, i32 31

  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ %tmp31, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

define amdgpu_kernel void @test_mfma_loop_sgpr_init(ptr addrspace(1) %arg, float %init) #0 {
; GFX908-LABEL: test_mfma_loop_sgpr_init:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    s_load_dword s0, s[4:5], 0x2c
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    v_mov_b32_e32 v0, s0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    s_nop 0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:  .LBB5_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB5_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_sgpr_init:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    s_load_dword s1, s[4:5], 0x2c
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    v_mov_b32_e32 v0, s1
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:  .LBB5_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB5_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_sgpr_init:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    s_load_dword s1, s[4:5], 0x2c
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    v_mov_b32_e32 v0, s1
; GFX942-NEXT:    v_accvgpr_write_b32 a31, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a30, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a29, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a28, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a27, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a26, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a25, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a24, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a23, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a22, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a21, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a20, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a19, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a18, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a17, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a16, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a15, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a14, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a13, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a12, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a11, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a10, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a9, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a8, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a7, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a6, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a5, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a4, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a3, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a2, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:  .LBB5_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB5_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  %tmp0 = insertelement <32 x float> poison, float %init, i32 0
  %tmp1 = insertelement <32 x float> %tmp0, float %init, i32 1
  %tmp2 = insertelement <32 x float> %tmp1, float %init, i32 2
  %tmp3 = insertelement <32 x float> %tmp2, float %init, i32 3
  %tmp4 = insertelement <32 x float> %tmp3, float %init, i32 4
  %tmp5 = insertelement <32 x float> %tmp4, float %init, i32 5
  %tmp6 = insertelement <32 x float> %tmp5, float %init, i32 6
  %tmp7 = insertelement <32 x float> %tmp6, float %init, i32 7
  %tmp8 = insertelement <32 x float> %tmp7, float %init, i32 8
  %tmp9 = insertelement <32 x float> %tmp8, float %init, i32 9
  %tmp10 = insertelement <32 x float> %tmp9, float %init, i32 10
  %tmp11 = insertelement <32 x float> %tmp10, float %init, i32 11
  %tmp12 = insertelement <32 x float> %tmp11, float %init, i32 12
  %tmp13 = insertelement <32 x float> %tmp12, float %init, i32 13
  %tmp14 = insertelement <32 x float> %tmp13, float %init, i32 14
  %tmp15 = insertelement <32 x float> %tmp14, float %init, i32 15
  %tmp16 = insertelement <32 x float> %tmp15, float %init, i32 16
  %tmp17 = insertelement <32 x float> %tmp16, float %init, i32 17
  %tmp18 = insertelement <32 x float> %tmp17, float %init, i32 18
  %tmp19 = insertelement <32 x float> %tmp18, float %init, i32 19
  %tmp20 = insertelement <32 x float> %tmp19, float %init, i32 20
  %tmp21 = insertelement <32 x float> %tmp20, float %init, i32 21
  %tmp22 = insertelement <32 x float> %tmp21, float %init, i32 22
  %tmp23 = insertelement <32 x float> %tmp22, float %init, i32 23
  %tmp24 = insertelement <32 x float> %tmp23, float %init, i32 24
  %tmp25 = insertelement <32 x float> %tmp24, float %init, i32 25
  %tmp26 = insertelement <32 x float> %tmp25, float %init, i32 26
  %tmp27 = insertelement <32 x float> %tmp26, float %init, i32 27
  %tmp28 = insertelement <32 x float> %tmp27, float %init, i32 28
  %tmp29 = insertelement <32 x float> %tmp28, float %init, i32 29
  %tmp30 = insertelement <32 x float> %tmp29, float %init, i32 30
  %tmp31 = insertelement <32 x float> %tmp30, float %init, i32 31

  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ %tmp31, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

define amdgpu_kernel void @test_mfma_loop_mixed_init(ptr addrspace(1) %arg, float %x) #0 {
; GFX908-LABEL: test_mfma_loop_mixed_init:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    s_load_dword s1, s[4:5], 0x2c
; GFX908-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    v_mov_b32_e32 v0, s1
; GFX908-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:  .LBB6_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB6_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_mixed_init:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    s_load_dword s1, s[4:5], 0x2c
; GFX90A-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX90A-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    v_mov_b32_e32 v0, s1
; GFX90A-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX90A-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:  .LBB6_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB6_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_mixed_init:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    s_load_dword s1, s[4:5], 0x2c
; GFX942-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a0, v0
; GFX942-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    v_mov_b32_e32 v0, s1
; GFX942-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX942-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    v_accvgpr_write_b32 a1, v0
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:  .LBB6_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB6_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %init = bitcast i32 %tid to float
  %tmp0 = insertelement <32 x float> zeroinitializer, float %init, i32 0
  %tmp1 = insertelement <32 x float> %tmp0, float %x, i32 1

  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ %tmp1, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

define amdgpu_kernel void @test_mfma_loop_mfma_forward_init(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_mfma_forward_init:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX908-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    s_nop 0
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX908-NEXT:  .LBB7_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB7_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_mfma_forward_init:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    s_nop 0
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, 0
; GFX90A-NEXT:  .LBB7_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB7_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_mfma_forward_init:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    s_nop 0
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v0, v1, 0
; GFX942-NEXT:  .LBB7_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v0, v1, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB7_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  %mai.0 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> zeroinitializer, i32 0, i32 0, i32 0)

  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ %mai.0, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

; Check that we are using only one tmp VGPR.

define amdgpu_kernel void @test_mfma_loop_agpr_init(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_loop_agpr_init:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX908-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX908-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX908-NEXT:    s_mov_b32 s0, 16
; GFX908-NEXT:    s_nop 0
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a0
; GFX908-NEXT:    s_nop 1
; GFX908-NEXT:    v_accvgpr_write_b32 a0, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a1, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a2, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a3, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a4, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a5, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a6, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a7, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a8, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a9, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a10, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a11, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a12, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a13, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a14, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a15, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a16, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a17, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a18, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a19, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a20, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a21, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a22, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a23, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a24, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a25, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a26, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a27, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a28, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a29, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a30, v2
; GFX908-NEXT:    v_accvgpr_write_b32 a31, v2
; GFX908-NEXT:  .LBB8_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX908-NEXT:    s_nop 0
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX908-NEXT:    s_add_i32 s0, s0, -1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB8_1
; GFX908-NEXT:  ; %bb.2: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 5
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_loop_agpr_init:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX90A-NEXT:    s_mov_b32 s0, 16
; GFX90A-NEXT:    s_nop 0
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, 0
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 2
; GFX90A-NEXT:    v_accvgpr_mov_b32 a1, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a2, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a3, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a4, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a5, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a6, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a7, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a8, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a9, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a10, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a11, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a12, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a13, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a14, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a15, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a16, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a17, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a18, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a19, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a20, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a21, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a22, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a23, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a24, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a25, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a26, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a27, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a28, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a29, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a30, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a31, a0
; GFX90A-NEXT:  .LBB8_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v0, v1, a[0:31]
; GFX90A-NEXT:    s_add_i32 s0, s0, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB8_1
; GFX90A-NEXT:  ; %bb.2: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 4
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_loop_agpr_init:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_mov_b32_e32 v0, 1.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 2.0
; GFX942-NEXT:    s_mov_b32 s0, 16
; GFX942-NEXT:    s_nop 0
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v0, v1, 0
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_accvgpr_mov_b32 a1, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a2, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a3, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a4, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a5, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a6, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a7, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a8, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a9, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a10, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a11, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a12, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a13, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a14, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a15, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a16, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a17, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a18, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a19, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a20, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a21, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a22, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a23, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a24, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a25, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a26, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a27, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a28, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a29, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a30, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a31, a0
; GFX942-NEXT:  .LBB8_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Inner Loop Header: Depth=1
; GFX942-NEXT:    s_nop 1
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v0, v1, a[0:31]
; GFX942-NEXT:    s_add_i32 s0, s0, -1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB8_1
; GFX942-NEXT:  ; %bb.2: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 3
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  %mai.0 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> zeroinitializer, i32 0, i32 0, i32 0)
  %init = extractelement <32 x float> %mai.0, i32 0
  %tmp0 = insertelement <32 x float> poison, float %init, i32 0
  %tmp1 = insertelement <32 x float> %tmp0, float %init, i32 1
  %tmp2 = insertelement <32 x float> %tmp1, float %init, i32 2
  %tmp3 = insertelement <32 x float> %tmp2, float %init, i32 3
  %tmp4 = insertelement <32 x float> %tmp3, float %init, i32 4
  %tmp5 = insertelement <32 x float> %tmp4, float %init, i32 5
  %tmp6 = insertelement <32 x float> %tmp5, float %init, i32 6
  %tmp7 = insertelement <32 x float> %tmp6, float %init, i32 7
  %tmp8 = insertelement <32 x float> %tmp7, float %init, i32 8
  %tmp9 = insertelement <32 x float> %tmp8, float %init, i32 9
  %tmp10 = insertelement <32 x float> %tmp9, float %init, i32 10
  %tmp11 = insertelement <32 x float> %tmp10, float %init, i32 11
  %tmp12 = insertelement <32 x float> %tmp11, float %init, i32 12
  %tmp13 = insertelement <32 x float> %tmp12, float %init, i32 13
  %tmp14 = insertelement <32 x float> %tmp13, float %init, i32 14
  %tmp15 = insertelement <32 x float> %tmp14, float %init, i32 15
  %tmp16 = insertelement <32 x float> %tmp15, float %init, i32 16
  %tmp17 = insertelement <32 x float> %tmp16, float %init, i32 17
  %tmp18 = insertelement <32 x float> %tmp17, float %init, i32 18
  %tmp19 = insertelement <32 x float> %tmp18, float %init, i32 19
  %tmp20 = insertelement <32 x float> %tmp19, float %init, i32 20
  %tmp21 = insertelement <32 x float> %tmp20, float %init, i32 21
  %tmp22 = insertelement <32 x float> %tmp21, float %init, i32 22
  %tmp23 = insertelement <32 x float> %tmp22, float %init, i32 23
  %tmp24 = insertelement <32 x float> %tmp23, float %init, i32 24
  %tmp25 = insertelement <32 x float> %tmp24, float %init, i32 25
  %tmp26 = insertelement <32 x float> %tmp25, float %init, i32 26
  %tmp27 = insertelement <32 x float> %tmp26, float %init, i32 27
  %tmp28 = insertelement <32 x float> %tmp27, float %init, i32 28
  %tmp29 = insertelement <32 x float> %tmp28, float %init, i32 29
  %tmp30 = insertelement <32 x float> %tmp29, float %init, i32 30
  %tmp31 = insertelement <32 x float> %tmp30, float %init, i32 31

  br label %for.cond.preheader

for.cond.preheader:
  %phi = phi <32 x float> [ %tmp31, %entry ], [ %mai.1, %for.cond.preheader ]
  %c = phi i32 [ 0, %entry ], [ %inc, %for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

; Check that we do not copy agprs to vgprs and back in an outer loop.
; Final result should be read only once after the loop.

define amdgpu_kernel void @test_mfma_nested_loop_zeroinit(ptr addrspace(1) %arg) #0 {
; GFX908-LABEL: test_mfma_nested_loop_zeroinit:
; GFX908:       ; %bb.0: ; %entry
; GFX908-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a1, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a2, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a3, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a4, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a5, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a6, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a7, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a8, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a9, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a10, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a11, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a12, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a13, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a14, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a15, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a16, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a17, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a18, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a19, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a20, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a21, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a22, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a23, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a24, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a25, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a26, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a27, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a28, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a29, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a30, 0
; GFX908-NEXT:    v_accvgpr_write_b32 a31, 0
; GFX908-NEXT:    s_mov_b32 s0, 0
; GFX908-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX908-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX908-NEXT:  .LBB9_1: ; %for.cond.preheader
; GFX908-NEXT:    ; =>This Loop Header: Depth=1
; GFX908-NEXT:    ; Child Loop BB9_2 Depth 2
; GFX908-NEXT:    s_mov_b32 s1, 16
; GFX908-NEXT:  .LBB9_2: ; %inner.for.cond.preheader
; GFX908-NEXT:    ; Parent Loop BB9_1 Depth=1
; GFX908-NEXT:    ; => This Inner Loop Header: Depth=2
; GFX908-NEXT:    s_nop 0
; GFX908-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX908-NEXT:    s_add_i32 s1, s1, -1
; GFX908-NEXT:    s_cmp_lg_u32 s1, 0
; GFX908-NEXT:    s_cbranch_scc1 .LBB9_2
; GFX908-NEXT:  ; %bb.3: ; %inner.exit
; GFX908-NEXT:    ; in Loop: Header=BB9_1 Depth=1
; GFX908-NEXT:    s_add_i32 s0, s0, 1
; GFX908-NEXT:    s_cmp_lg_u32 s0, 16
; GFX908-NEXT:    s_cbranch_scc1 .LBB9_1
; GFX908-NEXT:  ; %bb.4: ; %exit
; GFX908-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX908-NEXT:    s_nop 7
; GFX908-NEXT:    s_nop 2
; GFX908-NEXT:    v_accvgpr_read_b32 v0, a0
; GFX908-NEXT:    v_accvgpr_read_b32 v28, a28
; GFX908-NEXT:    v_accvgpr_read_b32 v29, a29
; GFX908-NEXT:    v_accvgpr_read_b32 v30, a30
; GFX908-NEXT:    v_accvgpr_read_b32 v31, a31
; GFX908-NEXT:    v_mov_b32_e32 v32, 0
; GFX908-NEXT:    v_accvgpr_read_b32 v1, a1
; GFX908-NEXT:    v_accvgpr_read_b32 v2, a2
; GFX908-NEXT:    v_accvgpr_read_b32 v3, a3
; GFX908-NEXT:    v_accvgpr_read_b32 v4, a4
; GFX908-NEXT:    v_accvgpr_read_b32 v5, a5
; GFX908-NEXT:    v_accvgpr_read_b32 v6, a6
; GFX908-NEXT:    v_accvgpr_read_b32 v7, a7
; GFX908-NEXT:    v_accvgpr_read_b32 v8, a8
; GFX908-NEXT:    v_accvgpr_read_b32 v9, a9
; GFX908-NEXT:    v_accvgpr_read_b32 v10, a10
; GFX908-NEXT:    v_accvgpr_read_b32 v11, a11
; GFX908-NEXT:    v_accvgpr_read_b32 v12, a12
; GFX908-NEXT:    v_accvgpr_read_b32 v13, a13
; GFX908-NEXT:    v_accvgpr_read_b32 v14, a14
; GFX908-NEXT:    v_accvgpr_read_b32 v15, a15
; GFX908-NEXT:    v_accvgpr_read_b32 v16, a16
; GFX908-NEXT:    v_accvgpr_read_b32 v17, a17
; GFX908-NEXT:    v_accvgpr_read_b32 v18, a18
; GFX908-NEXT:    v_accvgpr_read_b32 v19, a19
; GFX908-NEXT:    v_accvgpr_read_b32 v20, a20
; GFX908-NEXT:    v_accvgpr_read_b32 v21, a21
; GFX908-NEXT:    v_accvgpr_read_b32 v22, a22
; GFX908-NEXT:    v_accvgpr_read_b32 v23, a23
; GFX908-NEXT:    v_accvgpr_read_b32 v24, a24
; GFX908-NEXT:    v_accvgpr_read_b32 v25, a25
; GFX908-NEXT:    v_accvgpr_read_b32 v26, a26
; GFX908-NEXT:    v_accvgpr_read_b32 v27, a27
; GFX908-NEXT:    s_waitcnt lgkmcnt(0)
; GFX908-NEXT:    global_store_dwordx4 v32, v[28:31], s[0:1] offset:112
; GFX908-NEXT:    global_store_dwordx4 v32, v[24:27], s[0:1] offset:96
; GFX908-NEXT:    global_store_dwordx4 v32, v[20:23], s[0:1] offset:80
; GFX908-NEXT:    global_store_dwordx4 v32, v[16:19], s[0:1] offset:64
; GFX908-NEXT:    global_store_dwordx4 v32, v[12:15], s[0:1] offset:48
; GFX908-NEXT:    global_store_dwordx4 v32, v[8:11], s[0:1] offset:32
; GFX908-NEXT:    global_store_dwordx4 v32, v[4:7], s[0:1] offset:16
; GFX908-NEXT:    global_store_dwordx4 v32, v[0:3], s[0:1]
; GFX908-NEXT:    s_endpgm
;
; GFX90A-LABEL: test_mfma_nested_loop_zeroinit:
; GFX90A:       ; %bb.0: ; %entry
; GFX90A-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX90A-NEXT:    s_mov_b32 s0, 0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a1, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a2, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a3, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a4, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a5, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a6, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a7, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a8, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a9, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a10, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a11, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a12, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a13, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a14, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a15, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a16, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a17, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a18, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a19, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a20, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a21, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a22, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a23, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a24, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a25, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a26, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a27, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a28, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a29, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a30, a0
; GFX90A-NEXT:    v_accvgpr_mov_b32 a31, a0
; GFX90A-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX90A-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX90A-NEXT:  .LBB9_1: ; %for.cond.preheader
; GFX90A-NEXT:    ; =>This Loop Header: Depth=1
; GFX90A-NEXT:    ; Child Loop BB9_2 Depth 2
; GFX90A-NEXT:    s_mov_b32 s1, 16
; GFX90A-NEXT:  .LBB9_2: ; %inner.for.cond.preheader
; GFX90A-NEXT:    ; Parent Loop BB9_1 Depth=1
; GFX90A-NEXT:    ; => This Inner Loop Header: Depth=2
; GFX90A-NEXT:    s_nop 0
; GFX90A-NEXT:    v_mfma_f32_32x32x1f32 a[0:31], v1, v0, a[0:31]
; GFX90A-NEXT:    s_add_i32 s1, s1, -1
; GFX90A-NEXT:    s_cmp_lg_u32 s1, 0
; GFX90A-NEXT:    s_cbranch_scc1 .LBB9_2
; GFX90A-NEXT:  ; %bb.3: ; %inner.exit
; GFX90A-NEXT:    ; in Loop: Header=BB9_1 Depth=1
; GFX90A-NEXT:    s_add_i32 s0, s0, 1
; GFX90A-NEXT:    s_cmp_lg_u32 s0, 16
; GFX90A-NEXT:    s_cbranch_scc1 .LBB9_1
; GFX90A-NEXT:  ; %bb.4: ; %exit
; GFX90A-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX90A-NEXT:    v_mov_b32_e32 v0, 0
; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
; GFX90A-NEXT:    s_nop 7
; GFX90A-NEXT:    s_nop 1
; GFX90A-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX90A-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX90A-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX90A-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX90A-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX90A-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX90A-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX90A-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX90A-NEXT:    s_endpgm
;
; GFX942-LABEL: test_mfma_nested_loop_zeroinit:
; GFX942:       ; %bb.0: ; %entry
; GFX942-NEXT:    v_accvgpr_write_b32 a0, 0
; GFX942-NEXT:    s_mov_b32 s0, 0
; GFX942-NEXT:    v_accvgpr_mov_b32 a1, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a2, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a3, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a4, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a5, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a6, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a7, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a8, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a9, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a10, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a11, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a12, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a13, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a14, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a15, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a16, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a17, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a18, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a19, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a20, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a21, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a22, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a23, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a24, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a25, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a26, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a27, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a28, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a29, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a30, a0
; GFX942-NEXT:    v_accvgpr_mov_b32 a31, a0
; GFX942-NEXT:    v_mov_b32_e32 v0, 2.0
; GFX942-NEXT:    v_mov_b32_e32 v1, 1.0
; GFX942-NEXT:  .LBB9_1: ; %for.cond.preheader
; GFX942-NEXT:    ; =>This Loop Header: Depth=1
; GFX942-NEXT:    ; Child Loop BB9_2 Depth 2
; GFX942-NEXT:    s_mov_b32 s1, 16
; GFX942-NEXT:  .LBB9_2: ; %inner.for.cond.preheader
; GFX942-NEXT:    ; Parent Loop BB9_1 Depth=1
; GFX942-NEXT:    ; => This Inner Loop Header: Depth=2
; GFX942-NEXT:    s_nop 0
; GFX942-NEXT:    v_mfma_f32_32x32x1_2b_f32 a[0:31], v1, v0, a[0:31]
; GFX942-NEXT:    s_add_i32 s1, s1, -1
; GFX942-NEXT:    s_cmp_lg_u32 s1, 0
; GFX942-NEXT:    s_cbranch_scc1 .LBB9_2
; GFX942-NEXT:  ; %bb.3: ; %inner.exit
; GFX942-NEXT:    ; in Loop: Header=BB9_1 Depth=1
; GFX942-NEXT:    s_add_i32 s0, s0, 1
; GFX942-NEXT:    s_cmp_lg_u32 s0, 16
; GFX942-NEXT:    s_cbranch_scc1 .LBB9_1
; GFX942-NEXT:  ; %bb.4: ; %exit
; GFX942-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX942-NEXT:    v_mov_b32_e32 v0, 0
; GFX942-NEXT:    s_waitcnt lgkmcnt(0)
; GFX942-NEXT:    s_nop 7
; GFX942-NEXT:    s_nop 0
; GFX942-NEXT:    global_store_dwordx4 v0, a[28:31], s[0:1] offset:112
; GFX942-NEXT:    global_store_dwordx4 v0, a[24:27], s[0:1] offset:96
; GFX942-NEXT:    global_store_dwordx4 v0, a[20:23], s[0:1] offset:80
; GFX942-NEXT:    global_store_dwordx4 v0, a[16:19], s[0:1] offset:64
; GFX942-NEXT:    global_store_dwordx4 v0, a[12:15], s[0:1] offset:48
; GFX942-NEXT:    global_store_dwordx4 v0, a[8:11], s[0:1] offset:32
; GFX942-NEXT:    global_store_dwordx4 v0, a[4:7], s[0:1] offset:16
; GFX942-NEXT:    global_store_dwordx4 v0, a[0:3], s[0:1]
; GFX942-NEXT:    s_endpgm
entry:
  br label %for.cond.preheader

for.cond.preheader:
  %phi.0 = phi <32 x float> [ zeroinitializer, %entry ], [ %mai.1, %inner.exit ]
  %c.0 = phi i32 [ 0, %entry ], [ %inc.0, %inner.exit ]
  br label %inner.for.cond.preheader

inner.for.cond.preheader:
  %phi = phi <32 x float> [ %phi.0, %for.cond.preheader ], [ %mai.1, %inner.for.cond.preheader ]
  %c = phi i32 [ 0, %for.cond.preheader ], [ %inc, %inner.for.cond.preheader ]
  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float 1.0, float 2.0, <32 x float> %phi, i32 0, i32 0, i32 0)
  %inc = add nuw nsw i32 %c, 1
  %cc = icmp eq i32 %inc, 16
  br i1 %cc, label %inner.exit, label %inner.for.cond.preheader

inner.exit:
  %inc.0 = add nuw nsw i32 %c.0, 1
  %cc.0 = icmp eq i32 %inc.0, 16
  br i1 %cc.0, label %exit, label %for.cond.preheader

exit:
  store <32 x float> %mai.1, ptr addrspace(1) %arg
  ret void
}

declare <32 x float> @llvm.amdgcn.mfma.f32.32x32x1f32(float, float, <32 x float>, i32, i32, i32)
declare i32 @llvm.amdgcn.workitem.id.x()

attributes #0 = { "amdgpu-flat-work-group-size"="1,256" }