source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AMDGPU/llvm.AMDGPU.umax.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

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Line 
1; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck -check-prefix=SI %s
2; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck -check-prefix=SI %s
3
4; SI-LABEL: {{^}}vector_umax:
5; SI: v_max_u32_e32
6define void @vector_umax(i32 %p0, i32 %p1, i32 addrspace(1)* %in) #0 {
7main_body:
8  %load = load i32, i32 addrspace(1)* %in, align 4
9  %max = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %load)
10  %bc = bitcast i32 %max to float
11  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc)
12  ret void
13}
14
15; SI-LABEL: {{^}}scalar_umax:
16; SI: s_max_u32
17define void @scalar_umax(i32 %p0, i32 %p1) #0 {
18entry:
19  %max = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %p1)
20  %bc = bitcast i32 %max to float
21  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc)
22  ret void
23}
24
25; SI-LABEL: {{^}}trunc_zext_umax:
26; SI: buffer_load_ubyte [[VREG:v[0-9]+]],
27; SI: v_max_u32_e32 [[RESULT:v[0-9]+]], 0, [[VREG]]
28; SI-NOT: and
29; SI: buffer_store_short [[RESULT]],
30define void @trunc_zext_umax(i16 addrspace(1)* nocapture %out, i8 addrspace(1)* nocapture %src) nounwind {
31  %tmp5 = load i8, i8 addrspace(1)* %src, align 1
32  %tmp2 = zext i8 %tmp5 to i32
33  %tmp3 = tail call i32 @llvm.AMDGPU.umax(i32 %tmp2, i32 0) nounwind readnone
34  %tmp4 = trunc i32 %tmp3 to i8
35  %tmp6 = zext i8 %tmp4 to i16
36  store i16 %tmp6, i16 addrspace(1)* %out, align 2
37  ret void
38}
39
40; Function Attrs: readnone
41declare i32 @llvm.AMDGPU.umax(i32, i32) #1
42
43declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
44
45attributes #0 = { nounwind }
46attributes #1 = { nounwind readnone }
47
48!0 = !{!"const", null, i32 1}
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