| Marek Olsak | d2af89d | 2015-03-04 17:33:45 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s |
| 2 | ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s |
| 3 | |
| 4 | declare i32 @llvm.AMDGPU.flbit.i32(i32) nounwind readnone |
| 5 | |
| 6 | ; FUNC-LABEL: {{^}}s_flbit: |
| 7 | ; SI: s_load_dword [[VAL:s[0-9]+]], |
| 8 | ; SI: s_flbit_i32 [[SRESULT:s[0-9]+]], [[VAL]] |
| 9 | ; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]] |
| 10 | ; SI: buffer_store_dword [[VRESULT]], |
| 11 | ; SI: s_endpgm |
| 12 | define void @s_flbit(i32 addrspace(1)* noalias %out, i32 %val) nounwind { |
| 13 | %r = call i32 @llvm.AMDGPU.flbit.i32(i32 %val) nounwind readnone |
| 14 | store i32 %r, i32 addrspace(1)* %out, align 4 |
| 15 | ret void |
| 16 | } |
| 17 | |
| 18 | ; FUNC-LABEL: {{^}}v_flbit: |
| 19 | ; SI: buffer_load_dword [[VAL:v[0-9]+]], |
| 20 | ; SI: v_ffbh_i32_e32 [[RESULT:v[0-9]+]], [[VAL]] |
| 21 | ; SI: buffer_store_dword [[RESULT]], |
| 22 | ; SI: s_endpgm |
| 23 | define void @v_flbit(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind { |
| 24 | %val = load i32, i32 addrspace(1)* %valptr, align 4 |
| 25 | %r = call i32 @llvm.AMDGPU.flbit.i32(i32 %val) nounwind readnone |
| 26 | store i32 %r, i32 addrspace(1)* %out, align 4 |
| 27 | ret void |
| 28 | } |