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