test/CodeGen/AMDGPU/amdgpu-miscellaneous-uniform-intrinsic.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100  -o - %s | FileCheck %s
define amdgpu_kernel void @readfirstlane_with_readfirstlane(ptr addrspace(1) %out) {
; CHECK-LABEL: readfirstlane_with_readfirstlane:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, 5
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %v1 = call i32 @llvm.amdgcn.readfirstlane(i32 5)
  %v2 = call i32 @llvm.amdgcn.readfirstlane(i32 %v1)
  store i32 %v2, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @readfirstlane_with_readlane(ptr addrspace(1) %out) {
; CHECK-LABEL: readfirstlane_with_readlane:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_bfe_u32 v1, v0, 10, 10
; CHECK-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1)
; CHECK-NEXT:    v_readfirstlane_b32 s2, v1
; CHECK-NEXT:    v_readlane_b32 s2, v0, s2
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; CHECK-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %tidx = call i32 @llvm.amdgcn.workitem.id.x()
  %tidy = call i32 @llvm.amdgcn.workitem.id.y()
  %v1 = call i32 @llvm.amdgcn.readlane(i32 %tidx, i32 %tidy)
  %v2 = call i32 @llvm.amdgcn.readfirstlane(i32 %v1)
  store i32 %v2, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @readlane_with_firstlane(ptr addrspace(1) %out) {
; CHECK-LABEL: readlane_with_firstlane:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
; CHECK-NEXT:    v_readfirstlane_b32 s2, v0
; CHECK-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %tidx = call i32 @llvm.amdgcn.workitem.id.x()
  %v1 = call i32 @llvm.amdgcn.readfirstlane(i32 %tidx)
  %v2 = call i32 @llvm.amdgcn.readlane(i32 %v1, i32 3)
  store i32 %v2, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @readlane_readlane(ptr addrspace(1) %out) {
; CHECK-LABEL: readlane_readlane:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_bfe_u32 v1, v0, 10, 10
; CHECK-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1)
; CHECK-NEXT:    v_readfirstlane_b32 s2, v1
; CHECK-NEXT:    v_readlane_b32 s2, v0, s2
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; CHECK-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %tidx = call i32 @llvm.amdgcn.workitem.id.x()
  %tidy = call i32 @llvm.amdgcn.workitem.id.y()
  %v1 = call i32 @llvm.amdgcn.readlane(i32 %tidx, i32 %tidy)
  %v2 = call i32 @llvm.amdgcn.readlane(i32 %v1, i32 2)
  store i32 %v2, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @permlane64_uniform(ptr addrspace(1) %out, i32 %src) {
; CHECK-LABEL: permlane64_uniform:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_clause 0x1
; CHECK-NEXT:    s_load_b32 s2, s[4:5], 0x8
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %v = call i32 @llvm.amdgcn.permlane64(i32 %src)
  store i32 %v, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @permlane64_nonuniform(i32 addrspace(1)* %out) {
; CHECK-LABEL: permlane64_nonuniform:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; CHECK-NEXT:    v_permlane64_b32 v1, v0
; CHECK-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %v = call i32 @llvm.amdgcn.permlane64(i32 %tid)
  %out_ptr = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
  store i32 %v, i32 addrspace(1)* %out_ptr
  ret void
}

define amdgpu_kernel void @permlane64_nonuniform_expression(i32 addrspace(1)* %out) {
; CHECK-LABEL: permlane64_nonuniform_expression:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; CHECK-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_2)
; CHECK-NEXT:    v_add_nc_u32_e32 v1, 1, v0
; CHECK-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
; CHECK-NEXT:    v_permlane64_b32 v1, v1
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_endpgm
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid2 = add i32 %tid, 1
  %v = call i32 @llvm.amdgcn.permlane64(i32 %tid2)
  %out_ptr = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
  store i32 %v, i32 addrspace(1)* %out_ptr
  ret void
}

define protected amdgpu_kernel void @trivial_waterfall_eq_zero(ptr addrspace(1) %out) {
; CHECK-LABEL: trivial_waterfall_eq_zero:
; CHECK:       ; %bb.0: ; %entry
; CHECK-NEXT:    s_load_b64 s[0:1], s[4:5], 0x0
; CHECK-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, 5
; CHECK-NEXT:    s_mov_b32 s2, 0
; CHECK-NEXT:    s_branch .LBB7_2
; CHECK-NEXT:  .LBB7_1: ; %Flow
; CHECK-NEXT:    ; in Loop: Header=BB7_2 Depth=1
; CHECK-NEXT:    s_and_not1_b32 vcc_lo, exec_lo, s2
; CHECK-NEXT:    s_mov_b32 s2, -1
; CHECK-NEXT:    s_cbranch_vccz .LBB7_4
; CHECK-NEXT:  .LBB7_2: ; %while
; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    s_and_b32 vcc_lo, exec_lo, s2
; CHECK-NEXT:    s_mov_b32 s2, -1
; CHECK-NEXT:    s_cbranch_vccnz .LBB7_1
; CHECK-NEXT:  ; %bb.3: ; %if
; CHECK-NEXT:    ; in Loop: Header=BB7_2 Depth=1
; CHECK-NEXT:    s_mov_b32 s2, 0
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    global_store_b32 v0, v1, s[0:1]
; CHECK-NEXT:    s_branch .LBB7_1
; CHECK-NEXT:  .LBB7_4: ; %exit
; CHECK-NEXT:    s_endpgm
entry:
  br label %while

while:
  %done = phi i1 [ 0, %entry ], [ 1, %if ]
  %not_done = xor i1 %done, true
  %ballot = tail call i64 @llvm.amdgcn.ballot.i64(i1 %not_done)
  %is_done = icmp eq i64 %ballot, 0 ; in this case is_done = !not_done
  br i1 %is_done, label %exit, label %if

if:
  store i32 5, ptr addrspace(1) %out
  br label %while

exit:
  ret void
}