1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=aarch64-apple-darwin -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: int_ext_opt 4*9880d681SAndroid Build Coastguard Workerdefine i64 @int_ext_opt(i8* %addr, i1 %c1, i1 %c2) { 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker %0 = load i8, i8* %addr 7*9880d681SAndroid Build Coastguard Worker br i1 %c1, label %bb1, label %bb2 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerbb1: 10*9880d681SAndroid Build Coastguard Worker %1 = zext i8 %0 to i64 11*9880d681SAndroid Build Coastguard Worker br i1 %c2, label %bb2, label %exit 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerbb2: 14*9880d681SAndroid Build Coastguard Worker %2 = phi i64 [1, %entry], [%1, %bb1] 15*9880d681SAndroid Build Coastguard Worker ret i64 %2 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerexit: 18*9880d681SAndroid Build Coastguard Worker ret i64 0 19*9880d681SAndroid Build Coastguard Worker} 20