llvm/test/CodeGen/AMDGPU/reciprocal.ll
Nicolai Haehnle ea7a0c0467 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265589 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-06 19:40:20 +00:00

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LLVM

;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
;CHECK: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define amdgpu_ps void @test(<4 x float> inreg %reg0) {
%r0 = extractelement <4 x float> %reg0, i32 0
%r1 = fdiv float 1.0, %r0
%vec = insertelement <4 x float> undef, float %r1, i32 0
call void @llvm.R600.store.swizzle(<4 x float> %vec, i32 0, i32 0)
ret void
}
declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)