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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-11-10 02:22:44 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-11-10 02:22:44 +0000 |
| commit | a4ceea8cd86c4fc649c7c79499ae9dddb9ea20e0 (patch) | |
| tree | 2ccd1ba85a27b554e50fabbe1c805743deb67b70 /llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll | |
| parent | 67fc18a493913a721e1aa4187818167391626f82 (diff) | |
| download | bcm5719-llvm-a4ceea8cd86c4fc649c7c79499ae9dddb9ea20e0.tar.gz bcm5719-llvm-a4ceea8cd86c4fc649c7c79499ae9dddb9ea20e0.zip | |
Add a test to the previous added clo instruction. Patch by Akira again
llvm-svn: 118668
Diffstat (limited to 'llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll')
| -rw-r--r-- | llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll b/llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll new file mode 100644 index 00000000000..d592fef331a --- /dev/null +++ b/llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll @@ -0,0 +1,33 @@ +; RUN: llc -march=mips -mcpu=4ke < %s | FileCheck %s + +; CHECK: clz $2, $4 +define i32 @t1(i32 %X) nounwind readnone { +entry: + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %X) + ret i32 %tmp1 +} + +declare i32 @llvm.ctlz.i32(i32) nounwind readnone + +; CHECK: clz $2, $4 +define i32 @t2(i32 %X) nounwind readnone { +entry: + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %X) + ret i32 %tmp1 +} + +; CHECK: clo $2, $4 +define i32 @t3(i32 %X) nounwind readnone { +entry: + %neg = xor i32 %X, -1 + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %neg) + ret i32 %tmp1 +} + +; CHECK: clo $2, $4 +define i32 @t4(i32 %X) nounwind readnone { +entry: + %neg = xor i32 %X, -1 + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %neg) + ret i32 %tmp1 +} |
