xref: /llvm-project/llvm/test/Transforms/LoopInterchange/pr48212.ll (revision 055fb7795aa219a3d274d280ec9129784f169f56)
1; RUN: opt < %s -passes=loop-interchange -cache-line-size=64 -pass-remarks-missed='loop-interchange' -pass-remarks-output=%t -S \
2; RUN:     -verify-dom-info -verify-loop-info -verify-loop-lcssa 2>&1
3; RUN: FileCheck --input-file=%t --check-prefix=REMARKS %s
4
5; REMARKS: --- !Passed
6; REMARKS-NEXT: Pass:            loop-interchange
7; REMARKS-NEXT: Name:            Interchanged
8; REMARKS-NEXT: Function:        pr48212
9
10define void @pr48212(ptr %filter) {
11entry:
12  br label %L1
13
14L1:                                               ; preds = %entry
15  br label %for.body
16
17for.body:                                         ; preds = %L1, %for.inc6
18  %temp.04 = phi i32 [ undef, %L1 ], [ %temp.1.lcssa, %for.inc6 ]
19  %k1.03 = phi i32 [ 0, %L1 ], [ %inc7, %for.inc6 ]
20  br label %L2
21
22L2:                                               ; preds = %for.body
23  br label %for.body3
24
25for.body3:                                        ; preds = %L2, %for.inc
26  %temp.12 = phi i32 [ %temp.04, %L2 ], [ %add, %for.inc ]
27  %k2.01 = phi i32 [ 0, %L2 ], [ %inc, %for.inc ]
28  %idxprom = sext i32 %k2.01 to i64
29  %arrayidx = getelementptr inbounds [5 x i32], ptr %filter, i64 %idxprom
30  %idxprom4 = sext i32 %k1.03 to i64
31  %arrayidx5 = getelementptr inbounds [5 x i32], ptr %arrayidx, i64 0, i64 %idxprom4
32  %0 = load i32, ptr %arrayidx5
33  %add = add nsw i32 %temp.12, %0
34  br label %for.inc
35
36for.inc:                                          ; preds = %for.body3
37  %inc = add nsw i32 %k2.01, 1
38  %cmp2 = icmp slt i32 %inc, 3
39  br i1 %cmp2, label %for.body3, label %for.end
40
41for.end:                                          ; preds = %for.inc
42  %temp.1.lcssa = phi i32 [ %add, %for.inc ]
43  br label %for.inc6
44
45for.inc6:                                         ; preds = %for.end
46  %inc7 = add nsw i32 %k1.03, 1
47  %cmp = icmp slt i32 %inc7, 5
48  br i1 %cmp, label %for.body, label %for.end8
49
50for.end8:                                         ; preds = %for.inc6
51  ret void
52}
53
54
55