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llvm-project/llvm/test/CodeGen/AMDGPU/llvm.SI.packf16.ll

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AMDGPU/SI: handle undef for llvm.SI.packf16 llvm-svn: 251632
2015-10-29 23:29:09 +08:00
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; GCN-LABEL: {{^}}main:
; GCN: v_cvt_pkrtz_f16_f32
; GCN: v_cvt_pkrtz_f16_f32
; GCN-NOT: v_cvt_pkrtz_f16_f32
AMDGPU: Add a shader calling convention This makes it possible to distinguish between mesa shaders and other kernels even in the presence of compute shaders. Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Differential Revision: http://reviews.llvm.org/D18559 llvm-svn: 265589
2016-04-07 03:40:20 +08:00
define amdgpu_ps void @main(float %src) {
AMDGPU/SI: handle undef for llvm.SI.packf16 llvm-svn: 251632
2015-10-29 23:29:09 +08:00
main_body:
%p1 = call i32 @llvm.SI.packf16(float undef, float %src)
%p2 = call i32 @llvm.SI.packf16(float %src, float undef)
%p3 = call i32 @llvm.SI.packf16(float undef, float undef)
%f1 = bitcast i32 %p1 to float
%f2 = bitcast i32 %p2 to float
%f3 = bitcast i32 %p3 to float
call void @llvm.SI.export(i32 15, i32 1, i32 0, i32 0, i32 1, float undef, float %f1, float undef, float %f1)
call void @llvm.SI.export(i32 15, i32 1, i32 0, i32 0, i32 1, float undef, float %f2, float undef, float %f2)
call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float undef, float %f3, float undef, float %f2)
ret void
}
; Function Attrs: nounwind readnone
AMDGPU: Add a shader calling convention This makes it possible to distinguish between mesa shaders and other kernels even in the presence of compute shaders. Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Differential Revision: http://reviews.llvm.org/D18559 llvm-svn: 265589
2016-04-07 03:40:20 +08:00
declare i32 @llvm.SI.packf16(float, float) #0
AMDGPU/SI: handle undef for llvm.SI.packf16 llvm-svn: 251632
2015-10-29 23:29:09 +08:00
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
AMDGPU: Add a shader calling convention This makes it possible to distinguish between mesa shaders and other kernels even in the presence of compute shaders. Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Differential Revision: http://reviews.llvm.org/D18559 llvm-svn: 265589
2016-04-07 03:40:20 +08:00
attributes #0 = { nounwind readnone }