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| author | Vincent Lejeune <vljn@ovi.com> | 2013-07-09 15:03:25 +0000 |
|---|---|---|
| committer | Vincent Lejeune <vljn@ovi.com> | 2013-07-09 15:03:25 +0000 |
| commit | f4bdec2ebeb1306a77e9377583c5799199775f88 (patch) | |
| tree | 6eb7841861e9ae79c17404ad48b2584d2c402d2c /test/CodeGen | |
| parent | 07bb3f1d0a6638dd96566eeca1b38f315576216c (diff) | |
| download | llvm-f4bdec2ebeb1306a77e9377583c5799199775f88.tar.gz llvm-f4bdec2ebeb1306a77e9377583c5799199775f88.tar.bz2 llvm-f4bdec2ebeb1306a77e9377583c5799199775f88.tar.xz | |
R600: Fix a rare bug where swizzle optimization returns wrong values
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185942 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/R600/swizzle-export.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/R600/swizzle-export.ll b/test/CodeGen/R600/swizzle-export.ll index c3fb115125..b2175afdf0 100644 --- a/test/CodeGen/R600/swizzle-export.ll +++ b/test/CodeGen/R600/swizzle-export.ll @@ -1,5 +1,6 @@ ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s +;EG-CHECK: @main ;EG-CHECK: EXPORT T{{[0-9]+}}.XYXX ;EG-CHECK: EXPORT T{{[0-9]+}}.ZXXX ;EG-CHECK: EXPORT T{{[0-9]+}}.XXWX @@ -91,10 +92,43 @@ main_body: ret void } +; EG-CHECK: @main2 +; EG-CHECK: T{{[0-9]+}}.ZXY0 + +define void @main2() #0 { +main_body: + %0 = call float @llvm.R600.load.input(i32 4) + %1 = call float @llvm.R600.load.input(i32 5) + %2 = call float @llvm.R600.load.input(i32 6) + %3 = call float @llvm.R600.load.input(i32 7) + %4 = load <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1) + %5 = extractelement <4 x float> %4, i32 0 + %6 = call float @llvm.cos.f32(float %5) + %7 = load <4 x float> addrspace(8)* null + %8 = extractelement <4 x float> %7, i32 0 + %9 = load <4 x float> addrspace(8)* null + %10 = extractelement <4 x float> %9, i32 1 + %11 = insertelement <4 x float> undef, float %0, i32 0 + %12 = insertelement <4 x float> %11, float %1, i32 1 + %13 = insertelement <4 x float> %12, float %2, i32 2 + %14 = insertelement <4 x float> %13, float %3, i32 3 + call void @llvm.R600.store.swizzle(<4 x float> %14, i32 60, i32 1) + %15 = insertelement <4 x float> undef, float %6, i32 0 + %16 = insertelement <4 x float> %15, float %8, i32 1 + %17 = insertelement <4 x float> %16, float %10, i32 2 + %18 = insertelement <4 x float> %17, float 0.000000e+00, i32 3 + call void @llvm.R600.store.swizzle(<4 x float> %18, i32 0, i32 2) + ret void +} + ; Function Attrs: readnone declare float @llvm.R600.load.input(i32) #1 +; Function Attrs: nounwind readonly +declare float @llvm.cos.f32(float) #2 + declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32) attributes #0 = { "ShaderType"="1" } attributes #1 = { readnone } +attributes #2 = { nounwind readonly } |