forked from OSchip/llvm-project
25 lines
636 B
LLVM
25 lines
636 B
LLVM
; RUN: llc -march=mips64el -mcpu=mips4 < %s | FileCheck -check-prefix=CHECK -check-prefix=MIPS4 %s
|
|
; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck -check-prefix=CHECK -check-prefix=MIPS64 %s
|
|
|
|
define i64 @t1(i64 %X) nounwind readnone {
|
|
entry:
|
|
; CHECK-LABEL: t1:
|
|
; MIPS4-NOT: dclz
|
|
; MIPS64: 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-LABEL: t3:
|
|
; MIPS4-NOT: dclo
|
|
; MIPS64: dclo
|
|
%neg = xor i64 %X, -1
|
|
%tmp1 = tail call i64 @llvm.ctlz.i64(i64 %neg, i1 true)
|
|
ret i64 %tmp1
|
|
}
|
|
|