1*451ef5b2SEli Bendersky; Test to make sure loop vectorizer metadata is automatically upgraded.
2*451ef5b2SEli Bendersky;
3*451ef5b2SEli Bendersky; RUN: llvm-dis < %s.bc | FileCheck %s
4*451ef5b2SEli Bendersky
5*451ef5b2SEli Benderskydefine void @_Z28loop_with_vectorize_metadatav() {
6*451ef5b2SEli Benderskyentry:
7*451ef5b2SEli Bendersky  %i = alloca i32, align 4
8*451ef5b2SEli Bendersky  store i32 0, i32* %i, align 4
9*451ef5b2SEli Bendersky  br label %for.cond
10*451ef5b2SEli Bendersky
11*451ef5b2SEli Benderskyfor.cond:                                         ; preds = %for.inc, %entry
12*451ef5b2SEli Bendersky  %0 = load i32* %i, align 4
13*451ef5b2SEli Bendersky  %cmp = icmp slt i32 %0, 16
14*451ef5b2SEli Bendersky  br i1 %cmp, label %for.body, label %for.end, !llvm.loop !1
15*451ef5b2SEli Bendersky
16*451ef5b2SEli Benderskyfor.body:                                         ; preds = %for.cond
17*451ef5b2SEli Bendersky  br label %for.inc
18*451ef5b2SEli Bendersky
19*451ef5b2SEli Benderskyfor.inc:                                          ; preds = %for.body
20*451ef5b2SEli Bendersky  %1 = load i32* %i, align 4
21*451ef5b2SEli Bendersky  %inc = add nsw i32 %1, 1
22*451ef5b2SEli Bendersky  store i32 %inc, i32* %i, align 4
23*451ef5b2SEli Bendersky  br label %for.cond
24*451ef5b2SEli Bendersky
25*451ef5b2SEli Benderskyfor.end:                                          ; preds = %for.cond
26*451ef5b2SEli Bendersky  ret void
27*451ef5b2SEli Bendersky}
28*451ef5b2SEli Bendersky
29*451ef5b2SEli Bendersky; CHECK: !{metadata !"llvm.loop.vectorize.unroll", i32 4}
30*451ef5b2SEli Bendersky; CHECK: !{metadata !"llvm.loop.vectorize.width", i32 8}
31*451ef5b2SEli Bendersky; CHECK: !{metadata !"llvm.loop.vectorize.enable", i1 true}
32*451ef5b2SEli Bendersky
33*451ef5b2SEli Bendersky!0 = metadata !{metadata !"clang version 3.5.0 (trunk 211528)"}
34*451ef5b2SEli Bendersky!1 = metadata !{metadata !1, metadata !2, metadata !3, metadata !4, metadata !4}
35*451ef5b2SEli Bendersky!2 = metadata !{metadata !"llvm.vectorizer.unroll", i32 4}
36*451ef5b2SEli Bendersky!3 = metadata !{metadata !"llvm.vectorizer.width", i32 8}
37*451ef5b2SEli Bendersky!4 = metadata !{metadata !"llvm.vectorizer.enable", i1 true}
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