llvm-mirror/test/CodeGen/AMDGPU/complex-folding.ll
Nicolai Haehnle 69b2d0adeb 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
2016-04-06 19:40:20 +00:00

18 lines
533 B
LLVM

;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
; CHECK: {{^}}main:
; CHECK-NOT: MOV
define amdgpu_ps void @main(<4 x float> inreg %reg0) {
entry:
%0 = extractelement <4 x float> %reg0, i32 0
%1 = call float @fabs(float %0)
%2 = fptoui float %1 to i32
%3 = bitcast i32 %2 to float
%4 = insertelement <4 x float> undef, float %3, i32 0
call void @llvm.R600.store.swizzle(<4 x float> %4, i32 0, i32 0)
ret void
}
declare float @fabs(float ) readnone
declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)