| ; RUN: llc < %s -march=x86 -mcpu=yonah | FileCheck %s |
| |
| define i32 @t1(i32 %x) nounwind { |
| %tmp = tail call i32 @llvm.ctlz.i32( i32 %x ) |
| ret i32 %tmp |
| ; CHECK: t1: |
| ; CHECK: bsrl |
| ; CHECK: cmov |
| } |
| |
| 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 |
| ; CHECK: t2: |
| ; CHECK: bsfl |
| ; CHECK: cmov |
| } |
| |
| declare i32 @llvm.cttz.i32(i32) nounwind readnone |
| |
| define i16 @t3(i16 %x, i16 %y) nounwind { |
| entry: |
| %tmp1 = add i16 %x, %y |
| %tmp2 = tail call i16 @llvm.ctlz.i16( i16 %tmp1 ) ; <i16> [#uses=1] |
| ret i16 %tmp2 |
| ; CHECK: t3: |
| ; CHECK: bsrw |
| ; CHECK: cmov |
| } |
| |
| declare i16 @llvm.ctlz.i16(i16) nounwind readnone |
