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1; Test to make sure loop vectorizer metadata is automatically upgraded.
2;
3; RUN: llvm-dis < %s.bc | FileCheck %s
4; RUN: verify-uselistorder < %s.bc
5
6define void @_Z28loop_with_vectorize_metadatav() {
7entry:
8  %i = alloca i32, align 4
9  store i32 0, i32* %i, align 4
10  br label %for.cond
11
12for.cond:                                         ; preds = %for.inc, %entry
13  %0 = load i32, i32* %i, align 4
14  %cmp = icmp slt i32 %0, 16
15  br i1 %cmp, label %for.body, label %for.end, !llvm.loop !1
16
17for.body:                                         ; preds = %for.cond
18  br label %for.inc
19
20for.inc:                                          ; preds = %for.body
21  %1 = load i32, i32* %i, align 4
22  %inc = add nsw i32 %1, 1
23  store i32 %inc, i32* %i, align 4
24  br label %for.cond
25
26for.end:                                          ; preds = %for.cond
27  ret void
28}
29
30; CHECK: !{!"llvm.loop.interleave.count", i32 4}
31; CHECK: !{!"llvm.loop.vectorize.width", i32 8}
32; CHECK: !{!"llvm.loop.vectorize.enable", i1 true}
33
34!0 = metadata !{metadata !"clang version 3.5.0 (trunk 211528)"}
35!1 = metadata !{metadata !1, metadata !2, metadata !3, metadata !4, metadata !4}
36!2 = metadata !{metadata !"llvm.vectorizer.unroll", i32 4}
37!3 = metadata !{metadata !"llvm.vectorizer.width", i32 8}
38!4 = metadata !{metadata !"llvm.vectorizer.enable", i1 true}
39