1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-rotate -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker@a = external global i8, align 4 4*9880d681SAndroid Build Coastguard Worker@tmp = global i8* @a 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine void @f() { 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @f( 8*9880d681SAndroid Build Coastguard Worker; CHECK: getelementptr i8, i8* @a, i32 0 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker br label %for.preheader 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerfor.preheader: 13*9880d681SAndroid Build Coastguard Worker br i1 undef, label %if.then8, label %for.body 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerfor.body: 16*9880d681SAndroid Build Coastguard Worker br i1 undef, label %if.end, label %if.then8 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerif.end: 19*9880d681SAndroid Build Coastguard Worker %arrayidx = getelementptr i8, i8* @a, i32 0 20*9880d681SAndroid Build Coastguard Worker br label %for.preheader 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerif.then8: 23*9880d681SAndroid Build Coastguard Worker unreachable 24*9880d681SAndroid Build Coastguard Worker} 25