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| author | Vincent Lejeune <vljn@ovi.com> | 2013-07-31 19:32:07 +0000 |
|---|---|---|
| committer | Vincent Lejeune <vljn@ovi.com> | 2013-07-31 19:32:07 +0000 |
| commit | 8e37705a736f45c16ed82ca675f7e413aa3bf90e (patch) | |
| tree | 218951ee7c1cecdef61d95b438abe80275b8fc6e /test/CodeGen/R600/max-literals.ll | |
| parent | 98ce62780ea7185ba710868bf83c8077e8d7f6d6 (diff) | |
| download | external_llvm-8e37705a736f45c16ed82ca675f7e413aa3bf90e.zip external_llvm-8e37705a736f45c16ed82ca675f7e413aa3bf90e.tar.gz external_llvm-8e37705a736f45c16ed82ca675f7e413aa3bf90e.tar.bz2 | |
R600: Avoid more than 4 literals in the same instruction group at scheduling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187515 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/R600/max-literals.ll')
| -rw-r--r-- | test/CodeGen/R600/max-literals.ll | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/test/CodeGen/R600/max-literals.ll b/test/CodeGen/R600/max-literals.ll new file mode 100644 index 0000000..c31b7c0 --- /dev/null +++ b/test/CodeGen/R600/max-literals.ll @@ -0,0 +1,68 @@ +;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s + +; CHECK: @main +; CHECK: ADD * + +define void @main() #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 = call float @llvm.R600.load.input(i32 8) + %5 = fadd float %0, 2.0 + %6 = fadd float %1, 3.0 + %7 = fadd float %2, 4.0 + %8 = fadd float %3, 5.0 + %9 = bitcast float %4 to i32 + %10 = mul i32 %9, 6 + %11 = bitcast i32 %10 to float + %12 = insertelement <4 x float> undef, float %5, i32 0 + %13 = insertelement <4 x float> %12, float %6, i32 1 + %14 = insertelement <4 x float> %13, float %7, i32 2 + %15 = insertelement <4 x float> %14, float %8, i32 3 + %16 = insertelement <4 x float> %15, float %11, i32 3 + + %17 = call float @llvm.AMDGPU.dp4(<4 x float> %15,<4 x float> %16) + %18 = insertelement <4 x float> undef, float %17, i32 0 + call void @llvm.R600.store.swizzle(<4 x float> %18, i32 0, i32 2) + ret void +} + +; CHECK: @main +; CHECK-NOT: ADD * + +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 = call float @llvm.R600.load.input(i32 8) + %5 = fadd float %0, 2.0 + %6 = fadd float %1, 3.0 + %7 = fadd float %2, 4.0 + %8 = fadd float %3, 2.0 + %9 = bitcast float %4 to i32 + %10 = mul i32 %9, 6 + %11 = bitcast i32 %10 to float + %12 = insertelement <4 x float> undef, float %5, i32 0 + %13 = insertelement <4 x float> %12, float %6, i32 1 + %14 = insertelement <4 x float> %13, float %7, i32 2 + %15 = insertelement <4 x float> %14, float %8, i32 3 + %16 = insertelement <4 x float> %15, float %11, i32 3 + + %17 = call float @llvm.AMDGPU.dp4(<4 x float> %15,<4 x float> %16) + %18 = insertelement <4 x float> undef, float %17, i32 0 + 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 +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 } |