llvm/test/CodeGen/AMDGPU/llvm.amdgcn.lerp.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -global-isel=0 -mtriple=amdgpu8.03 < %s | FileCheck -check-prefixes=GCN,GCN-SDAG %s
; RUN: llc -global-isel=1 -mtriple=amdgpu8.03 < %s | FileCheck -check-prefixes=GCN,GCN-GISEL %s

declare i32 @llvm.amdgcn.lerp(i32, i32, i32) #0

define amdgpu_kernel void @v_lerp(ptr addrspace(1) %out, i32 %src) nounwind {
; GCN-SDAG-LABEL: v_lerp:
; GCN-SDAG:       ; %bb.0:
; GCN-SDAG-NEXT:    s_load_dword s2, s[4:5], 0x2c
; GCN-SDAG-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GCN-SDAG-NEXT:    s_movk_i32 s3, 0x64
; GCN-SDAG-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-SDAG-NEXT:    v_mov_b32_e32 v0, s2
; GCN-SDAG-NEXT:    v_lerp_u8 v2, v0, s3, s3
; GCN-SDAG-NEXT:    v_mov_b32_e32 v0, s0
; GCN-SDAG-NEXT:    v_mov_b32_e32 v1, s1
; GCN-SDAG-NEXT:    flat_store_dword v[0:1], v2
; GCN-SDAG-NEXT:    s_endpgm
;
; GCN-GISEL-LABEL: v_lerp:
; GCN-GISEL:       ; %bb.0:
; GCN-GISEL-NEXT:    s_load_dword s2, s[4:5], 0x2c
; GCN-GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GCN-GISEL-NEXT:    v_mov_b32_e32 v0, 0x64
; GCN-GISEL-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-GISEL-NEXT:    v_lerp_u8 v2, s2, v0, v0
; GCN-GISEL-NEXT:    v_mov_b32_e32 v0, s0
; GCN-GISEL-NEXT:    v_mov_b32_e32 v1, s1
; GCN-GISEL-NEXT:    flat_store_dword v[0:1], v2
; GCN-GISEL-NEXT:    s_endpgm
  %result= call i32 @llvm.amdgcn.lerp(i32 %src, i32 100, i32 100) #0
  store i32 %result, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @v_lerp_non_immediate(ptr addrspace(1) %out, i32 %src, i32 %a, i32 %b) nounwind {
; GCN-SDAG-LABEL: v_lerp_non_immediate:
; GCN-SDAG:       ; %bb.0:
; GCN-SDAG-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x2c
; GCN-SDAG-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x24
; GCN-SDAG-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-SDAG-NEXT:    v_mov_b32_e32 v0, s1
; GCN-SDAG-NEXT:    v_mov_b32_e32 v1, s2
; GCN-SDAG-NEXT:    v_lerp_u8 v2, s0, v0, v1
; GCN-SDAG-NEXT:    v_mov_b32_e32 v0, s4
; GCN-SDAG-NEXT:    v_mov_b32_e32 v1, s5
; GCN-SDAG-NEXT:    flat_store_dword v[0:1], v2
; GCN-SDAG-NEXT:    s_endpgm
;
; GCN-GISEL-LABEL: v_lerp_non_immediate:
; GCN-GISEL:       ; %bb.0:
; GCN-GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GCN-GISEL-NEXT:    s_load_dword s4, s[4:5], 0x34
; GCN-GISEL-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-GISEL-NEXT:    v_mov_b32_e32 v0, s3
; GCN-GISEL-NEXT:    v_mov_b32_e32 v1, s4
; GCN-GISEL-NEXT:    v_lerp_u8 v2, s2, v0, v1
; GCN-GISEL-NEXT:    v_mov_b32_e32 v0, s0
; GCN-GISEL-NEXT:    v_mov_b32_e32 v1, s1
; GCN-GISEL-NEXT:    flat_store_dword v[0:1], v2
; GCN-GISEL-NEXT:    s_endpgm
  %result= call i32 @llvm.amdgcn.lerp(i32 %src, i32 %a, i32 %b) #0
  store i32 %result, ptr addrspace(1) %out, align 4
  ret void
}

attributes #0 = { nounwind readnone }
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; GCN: {{.*}}