llvm/test/CodeGen/AMDGPU/extract_subvector_vec4_vec3.ll

; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mtriple=amdgpu9.00-mesa-mesa3d < %s -stop-after=amdgpu-isel | FileCheck -check-prefix=GCN %s
; RUN: llc -mtriple=amdgpu9.00-mesa-mesa3d < %s -enable-new-pm -stop-after=amdgpu-isel | FileCheck -check-prefix=GCN %s

; We want to see a BUFFER_LOAD, some register shuffling, and a BUFFER_STORE.
; Specifically, we do not want to see a BUFFER_STORE that says "store into
; stack" in the middle.

define amdgpu_hs void @main(ptr addrspace(6) inreg %arg) {
  ; GCN-LABEL: name: main
  ; GCN: bb.0.main_body:
  ; GCN-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  ; GCN-NEXT:   [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; GCN-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY [[DEF]]
  ; GCN-NEXT:   [[DEF1:%[0-9]+]]:sgpr_128 = IMPLICIT_DEF
  ; GCN-NEXT:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY]], [[DEF1]], [[S_MOV_B32_]], 0, 0, 0, implicit $exec :: (dereferenceable load (s128) from `ptr addrspace(8) poison`, align 1, addrspace 8)
  ; GCN-NEXT:   [[COPY1:%[0-9]+]]:sgpr_32 = COPY [[BUFFER_LOAD_DWORDX4_OFFEN]].sub2
  ; GCN-NEXT:   [[COPY2:%[0-9]+]]:sgpr_32 = COPY [[BUFFER_LOAD_DWORDX4_OFFEN]].sub1
  ; GCN-NEXT:   [[COPY3:%[0-9]+]]:sgpr_32 = COPY [[BUFFER_LOAD_DWORDX4_OFFEN]].sub0
  ; GCN-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_96 = REG_SEQUENCE [[COPY3]], %subreg.sub0, [[COPY2]], %subreg.sub1, [[COPY1]], %subreg.sub2
  ; GCN-NEXT:   [[COPY4:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]]
  ; GCN-NEXT:   [[DEF2:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; GCN-NEXT:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[DEF2]]
  ; GCN-NEXT:   [[DEF3:%[0-9]+]]:sgpr_128 = IMPLICIT_DEF
  ; GCN-NEXT:   BUFFER_STORE_DWORDX3_OFFEN_exact [[COPY4]], [[COPY5]], [[DEF3]], [[S_MOV_B32_]], 0, 0, 0, implicit $exec :: (dereferenceable store (s96) into `ptr addrspace(8) poison`, align 1, addrspace 8)
  ; GCN-NEXT:   S_ENDPGM 0
main_body:
  %tmp25 = call <4 x float> @llvm.amdgcn.raw.ptr.buffer.load.v4f32(ptr addrspace(8) poison, i32 poison, i32 0, i32 0)
  %tmp27 = bitcast <4 x float> %tmp25 to <16 x i8>
  %tmp28 = shufflevector <16 x i8> %tmp27, <16 x i8> poison, <12 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11>
  %tmp29 = bitcast <12 x i8> %tmp28 to <3 x i32>
  call void @llvm.amdgcn.raw.ptr.buffer.store.v3i32(<3 x i32> %tmp29, ptr addrspace(8) poison, i32 poison, i32 0, i32 0) #3
  ret void
}

declare void @llvm.amdgcn.raw.ptr.buffer.store.v3i32(<3 x i32>, ptr addrspace(8), i32, i32, i32 immarg)
declare <4 x float> @llvm.amdgcn.raw.ptr.buffer.load.v4f32(ptr addrspace(8), i32, i32, i32 immarg)