17 lines
398 B
LLVM
17 lines
398 B
LLVM
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; RUN: llvm-as < %s | llc -march=x86 | grep bsr
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; RUN: llvm-as < %s | llc -march=x86 | grep bsf
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define i32 @t1(i32 %x) nounwind {
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%tmp = tail call i32 @llvm.ctlz.i32( i32 %x )
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ret i32 %tmp
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}
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declare i32 @llvm.ctlz.i32(i32) nounwind readnone
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define i32 @t2(i32 %x) nounwind {
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%tmp = tail call i32 @llvm.cttz.i32( i32 %x )
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ret i32 %tmp
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}
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declare i32 @llvm.cttz.i32(i32) nounwind readnone
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