diff test/CodeGen/AMDGPU/shared-op-cycle.ll @ 95:afa8332a0e37

LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents test/CodeGen/R600/shared-op-cycle.ll@60c9769439b8
children 1172e4bd9c6f
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/AMDGPU/shared-op-cycle.ll	Tue Oct 13 17:48:58 2015 +0900
@@ -0,0 +1,32 @@
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+
+; CHECK: {{^}}main:
+; CHECK: MULADD_IEEE *
+; CHECK-NOT: MULADD_IEEE *
+
+define void @main(<4 x float> inreg %reg0, <4 x float> inreg %reg1, <4 x float> inreg %reg2) #0 {
+   %w0 = extractelement <4 x float> %reg0, i32 3
+   %w1 = extractelement <4 x float> %reg1, i32 3
+   %w2 = extractelement <4 x float> %reg2, i32 3
+   %sq0 = fmul float %w0, %w0
+   %r0 = fadd float %sq0, 2.0
+   %sq1 = fmul float %w1, %w1
+   %r1 = fadd float %sq1, 2.0
+   %sq2 = fmul float %w2, %w2
+   %r2 = fadd float %sq2, 2.0
+   %v0 = insertelement <4 x float> undef, float %r0, i32 0
+   %v1 = insertelement <4 x float> %v0, float %r1, i32 1
+   %v2 = insertelement <4 x float> %v1, float %r2, i32 2
+   %res = call float @llvm.AMDGPU.dp4(<4 x float> %v2, <4 x float> %v2)
+   %vecres = insertelement <4 x float> undef, float %res, i32 0
+   call void @llvm.R600.store.swizzle(<4 x float> %vecres, i32 0, i32 2)
+   ret void
+}
+
+; Function Attrs: readnone
+declare float @llvm.AMDGPU.dp4(<4 x float>, <4 x float>) #1
+
+declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
+
+attributes #0 = { "ShaderType"="1" }
+attributes #1 = { readnone }
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