diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/clz.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/clz.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/clz.ll b/llvm/test/CodeGen/X86/clz.ll new file mode 100644 index 00000000000..0505529cc48 --- /dev/null +++ b/llvm/test/CodeGen/X86/clz.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep bsr +; RUN: llvm-as < %s | llc -march=x86 | grep bsf + +define i32 @t1(i32 %x) nounwind { + %tmp = tail call i32 @llvm.ctlz.i32( i32 %x ) + ret i32 %tmp +} + +declare i32 @llvm.ctlz.i32(i32) nounwind readnone + +define i32 @t2(i32 %x) nounwind { + %tmp = tail call i32 @llvm.cttz.i32( i32 %x ) + ret i32 %tmp +} + +declare i32 @llvm.cttz.i32(i32) nounwind readnone |
