1451ef5b2SEli Bendersky; Test to make sure loop vectorizer metadata is automatically upgraded.
2451ef5b2SEli Bendersky;
3451ef5b2SEli Bendersky; RUN: llvm-dis < %s.bc | FileCheck %s
4451ef5b2SEli Bendersky
5451ef5b2SEli Benderskydefine void @_Z28loop_with_vectorize_metadatav() {
6451ef5b2SEli Benderskyentry:
7451ef5b2SEli Bendersky  %i = alloca i32, align 4
8451ef5b2SEli Bendersky  store i32 0, i32* %i, align 4
9451ef5b2SEli Bendersky  br label %for.cond
10451ef5b2SEli Bendersky
11451ef5b2SEli Benderskyfor.cond:                                         ; preds = %for.inc, %entry
12451ef5b2SEli Bendersky  %0 = load i32* %i, align 4
13451ef5b2SEli Bendersky  %cmp = icmp slt i32 %0, 16
14451ef5b2SEli Bendersky  br i1 %cmp, label %for.body, label %for.end, !llvm.loop !1
15451ef5b2SEli Bendersky
16451ef5b2SEli Benderskyfor.body:                                         ; preds = %for.cond
17451ef5b2SEli Bendersky  br label %for.inc
18451ef5b2SEli Bendersky
19451ef5b2SEli Benderskyfor.inc:                                          ; preds = %for.body
20451ef5b2SEli Bendersky  %1 = load i32* %i, align 4
21451ef5b2SEli Bendersky  %inc = add nsw i32 %1, 1
22451ef5b2SEli Bendersky  store i32 %inc, i32* %i, align 4
23451ef5b2SEli Bendersky  br label %for.cond
24451ef5b2SEli Bendersky
25451ef5b2SEli Benderskyfor.end:                                          ; preds = %for.cond
26451ef5b2SEli Bendersky  ret void
27451ef5b2SEli Bendersky}
28451ef5b2SEli Bendersky
29*9d20e427SMark Heffernan; CHECK: !{metadata !"llvm.loop.interleave.count", i32 4}
30451ef5b2SEli Bendersky; CHECK: !{metadata !"llvm.loop.vectorize.width", i32 8}
31451ef5b2SEli Bendersky; CHECK: !{metadata !"llvm.loop.vectorize.enable", i1 true}
32451ef5b2SEli Bendersky
33451ef5b2SEli Bendersky!0 = metadata !{metadata !"clang version 3.5.0 (trunk 211528)"}
34451ef5b2SEli Bendersky!1 = metadata !{metadata !1, metadata !2, metadata !3, metadata !4, metadata !4}
35451ef5b2SEli Bendersky!2 = metadata !{metadata !"llvm.vectorizer.unroll", i32 4}
36451ef5b2SEli Bendersky!3 = metadata !{metadata !"llvm.vectorizer.width", i32 8}
37451ef5b2SEli Bendersky!4 = metadata !{metadata !"llvm.vectorizer.enable", i1 true}
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