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| author | Vincent Lejeune <vljn@ovi.com> | 2013-09-12 23:44:44 +0000 |
|---|---|---|
| committer | Vincent Lejeune <vljn@ovi.com> | 2013-09-12 23:44:44 +0000 |
| commit | fe7831861432d71de47ce502e799fb7264b9f24c (patch) | |
| tree | 74028c0d8e645231bf74a92791a433f983ebddd5 /test/CodeGen | |
| parent | a2c982129ed93f4bcb9738e0749a0b08e51a8b83 (diff) | |
| download | external_llvm-fe7831861432d71de47ce502e799fb7264b9f24c.zip external_llvm-fe7831861432d71de47ce502e799fb7264b9f24c.tar.gz external_llvm-fe7831861432d71de47ce502e799fb7264b9f24c.tar.bz2 | |
R600: Move fabs/fneg/sel folding logic into PostProcessIsel
This move makes possible to correctly handle multiples instructions
from a single pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190643 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/R600/complex-folding.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/R600/complex-folding.ll b/test/CodeGen/R600/complex-folding.ll new file mode 100644 index 0000000..8dcd450 --- /dev/null +++ b/test/CodeGen/R600/complex-folding.ll @@ -0,0 +1,18 @@ +;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s + +; CHECK: @main +; CHECK-NOT: MOV +define void @main() { +entry: + %0 = call float @llvm.R600.load.input(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 @llvm.R600.load.input(i32) readnone +declare float @fabs(float ) readnone +declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
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