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