1 ; RUN: opt < %s -loop-rotate -licm -S | FileCheck %s
4 @g_3 = global i32 0, align 4
5 @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00"
7 define i32 @main() nounwind {
9 %tmp = load i32* @g_3, align 4
10 %tobool = icmp eq i32 %tmp, 0
11 br i1 %tobool, label %for.cond, label %if.then
13 if.then: ; preds = %entry
16 for.cond: ; preds = %for.inc10, %if.then, %entry
17 %g.0 = phi i32* [ %g.0, %for.inc10 ], [ @g_3, %entry ], [ null, %if.then ]
18 %x.0 = phi i32 [ %inc12, %for.inc10 ], [ 0, %entry ], [ 0, %if.then ]
19 %cmp = icmp slt i32 %x.0, 5
20 br i1 %cmp, label %for.cond4, label %for.end13
22 for.cond4: ; preds = %for.body7, %for.cond
23 %y.0 = phi i32 [ %inc, %for.body7 ], [ 0, %for.cond ]
24 %cmp6 = icmp slt i32 %y.0, 5
25 br i1 %cmp6, label %for.body7, label %for.inc10
29 ; CHECK-NEXT: store i32 0
30 ; CHECK-NEXT: store i32 1
32 for.body7: ; preds = %for.cond4
33 store i32 0, i32* @g_3, align 4
34 store i32 1, i32* %g.0, align 4
35 %inc = add nsw i32 %y.0, 1
38 for.inc10: ; preds = %for.cond4
39 %inc12 = add nsw i32 %x.0, 1
42 for.end13: ; preds = %for.cond
43 %tmp14 = load i32* @g_3, align 4
44 %call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32 %tmp14) nounwind
48 declare i32 @printf(i8* nocapture, ...) nounwind