source: icGREP/icgrep-devel/llvm-3.6.1.src/test/CodeGen/R600/llvm.AMDGPU.brev.ll @ 4664

Last change on this file since 4664 was 4664, checked in by cameron, 4 years ago

Upgrade LLVM to 3.6.1

File size: 1.1 KB
Line 
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
4declare i32 @llvm.AMDGPU.brev(i32) nounwind readnone
5
6; FUNC-LABEL: {{^}}s_brev_i32:
7; SI: s_load_dword [[VAL:s[0-9]+]],
8; SI: s_brev_b32 [[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
12define void @s_brev_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
13  %ctlz = call i32 @llvm.AMDGPU.brev(i32 %val) nounwind readnone
14  store i32 %ctlz, i32 addrspace(1)* %out, align 4
15  ret void
16}
17
18; FUNC-LABEL: {{^}}v_brev_i32:
19; SI: buffer_load_dword [[VAL:v[0-9]+]],
20; SI: v_bfrev_b32_e32 [[RESULT:v[0-9]+]], [[VAL]]
21; SI: buffer_store_dword [[RESULT]],
22; SI: s_endpgm
23define void @v_brev_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind {
24  %val = load i32 addrspace(1)* %valptr, align 4
25  %ctlz = call i32 @llvm.AMDGPU.brev(i32 %val) nounwind readnone
26  store i32 %ctlz, i32 addrspace(1)* %out, align 4
27  ret void
28}
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