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