1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=arm64 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 4*9880d681SAndroid Build Coastguard Workertarget triple = "arm64-apple-ios7.0.0" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind readnone 7*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.ctlz.i32(i32, i1) #0 8*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.ctlz.i64(i64, i1) #1 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind ssp 11*9880d681SAndroid Build Coastguard Workerdefine i32 @clrsb32(i32 %x) #2 { 12*9880d681SAndroid Build Coastguard Workerentry: 13*9880d681SAndroid Build Coastguard Worker %shr = ashr i32 %x, 31 14*9880d681SAndroid Build Coastguard Worker %xor = xor i32 %shr, %x 15*9880d681SAndroid Build Coastguard Worker %mul = shl i32 %xor, 1 16*9880d681SAndroid Build Coastguard Worker %add = or i32 %mul, 1 17*9880d681SAndroid Build Coastguard Worker %0 = tail call i32 @llvm.ctlz.i32(i32 %add, i1 false) 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker ret i32 %0 20*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: clrsb32 21*9880d681SAndroid Build Coastguard Worker; CHECK: cls [[TEMP:w[0-9]+]], [[TEMP]] 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind ssp 25*9880d681SAndroid Build Coastguard Workerdefine i64 @clrsb64(i64 %x) #3 { 26*9880d681SAndroid Build Coastguard Workerentry: 27*9880d681SAndroid Build Coastguard Worker %shr = ashr i64 %x, 63 28*9880d681SAndroid Build Coastguard Worker %xor = xor i64 %shr, %x 29*9880d681SAndroid Build Coastguard Worker %mul = shl nsw i64 %xor, 1 30*9880d681SAndroid Build Coastguard Worker %add = or i64 %mul, 1 31*9880d681SAndroid Build Coastguard Worker %0 = tail call i64 @llvm.ctlz.i64(i64 %add, i1 false) 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Worker ret i64 %0 34*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: clrsb64 35*9880d681SAndroid Build Coastguard Worker; CHECK: cls [[TEMP:x[0-9]+]], [[TEMP]] 36*9880d681SAndroid Build Coastguard Worker} 37