38 lines
1.5 KiB
LLVM
38 lines
1.5 KiB
LLVM
; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=2 -force-vector-width=1 -S | FileCheck --enable-var-scope %s
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; Make sure we attach memcheck metadata to scalarized memory operations even if
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; we're only unrolling.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; CHECK-LABEL: vector.memcheck:
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; CHECK-LABEL: vector.body:
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; CHECK: load i32, {{.*}} !alias.scope ![[$MD1:[0-9]+]]
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; CHECK-LABEL: middle.block:
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; CHECK-DAG: ![[$MD1]] = !{![[MD2:[0-9]+]]}
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; CHECK-DAG: ![[MD2]] = distinct !{![[MD2]], ![[MD3:[0-9]+]]}
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; CHECK-DAG: ![[MD3]] = distinct !{![[MD3]], !"LVerDomain"}
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; Function Attrs: norecurse nounwind uwtable
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define void @test(i32* nocapture readonly %a, i32* nocapture %b) local_unnamed_addr #0 {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
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%l.1 = load i32, i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
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%l.2 = load i32, i32* %arrayidx2
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%add = add nsw i32 %l.1, %l.2
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store i32 %add, i32* %arrayidx2, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, 10000
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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}
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attributes #0 = { norecurse nounwind uwtable }
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