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comparison test/CodeGen/AMDGPU/llvm.AMDGPU.flbit.i32.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
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84:f3e34b893a5f 95:afa8332a0e37
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 }