1 ; RUN: llc -march=mips < %s | FileCheck %s 2 3 ; CHECK: clz $2, $4 4 define i32 @t1(i32 %X) nounwind readnone { 5 entry: 6 %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %X) 7 ret i32 %tmp1 8 } 9 10 declare i32 @llvm.ctlz.i32(i32) nounwind readnone 11 12 ; CHECK: clz $2, $4 13 define i32 @t2(i32 %X) nounwind readnone { 14 entry: 15 %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %X) 16 ret i32 %tmp1 17 } 18 19 ; CHECK: clo $2, $4 20 define i32 @t3(i32 %X) nounwind readnone { 21 entry: 22 %neg = xor i32 %X, -1 23 %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %neg) 24 ret i32 %tmp1 25 } 26 27 ; CHECK: clo $2, $4 28 define i32 @t4(i32 %X) nounwind readnone { 29 entry: 30 %neg = xor i32 %X, -1 31 %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %neg) 32 ret i32 %tmp1 33 } 34
