llvm-project/llvm/test/CodeGen/Mips/mips64countleading.ll

20 lines
421 B
LLVM

; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s
define i64 @t1(i64 %X) nounwind readnone {
entry:
; CHECK: dclz
%tmp1 = tail call i64 @llvm.ctlz.i64(i64 %X, i1 true)
ret i64 %tmp1
}
declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
define i64 @t3(i64 %X) nounwind readnone {
entry:
; CHECK: dclo
%neg = xor i64 %X, -1
%tmp1 = tail call i64 @llvm.ctlz.i64(i64 %neg, i1 true)
ret i64 %tmp1
}