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43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
; Test to make sure loop vectorizer metadata is automatically upgraded.
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;
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; Run using opt as well to ensure that the metadata is upgraded when parsing
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; assembly.
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;
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; RUN: llvm-as < %s | llvm-dis | FileCheck %s
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; RUN: opt -S < %s | FileCheck %s
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; RUN: verify-uselistorder %s
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define void @_Z28loop_with_vectorize_metadatav() {
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entry:
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%i = alloca i32, align 4
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store i32 0, i32* %i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%0 = load i32* %i, align 4
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%cmp = icmp slt i32 %0, 16
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br i1 %cmp, label %for.body, label %for.end, !llvm.loop !1
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for.body: ; preds = %for.cond
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br label %for.inc
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for.inc: ; preds = %for.body
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%1 = load i32* %i, align 4
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%inc = add nsw i32 %1, 1
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store i32 %inc, i32* %i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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; CHECK: !{metadata !"llvm.loop.interleave.count", i32 4}
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; CHECK: !{metadata !"llvm.loop.vectorize.width", i32 8}
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; CHECK: !{metadata !"llvm.loop.vectorize.enable", i1 true}
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!0 = metadata !{metadata !"clang version 3.5.0 (trunk 211528)"}
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!1 = metadata !{metadata !1, metadata !2, metadata !3, metadata !4, metadata !4}
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!2 = metadata !{metadata !"llvm.vectorizer.unroll", i32 4}
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!3 = metadata !{metadata !"llvm.vectorizer.width", i32 8}
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!4 = metadata !{metadata !"llvm.vectorizer.enable", i1 true}
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