56 lines
3.0 KiB
LLVM
56 lines
3.0 KiB
LLVM
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; RUN: opt < %s -basic-aa -scoped-noalias-aa -aa-eval -evaluate-aa-metadata -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @foo1(float* nocapture %a, float* nocapture readonly %c) #0 {
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entry:
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; CHECK-LABEL: Function: foo1
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%0 = load float, float* %c, align 4, !alias.scope !0
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%arrayidx.i = getelementptr inbounds float, float* %a, i64 5
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store float %0, float* %arrayidx.i, align 4, !noalias !6
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%1 = load float, float* %c, align 4, !alias.scope !7
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%arrayidx.i2 = getelementptr inbounds float, float* %a, i64 15
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store float %1, float* %arrayidx.i2, align 4, !noalias !6
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%2 = load float, float* %c, align 4, !alias.scope !6
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%arrayidx.i3 = getelementptr inbounds float, float* %a, i64 16
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store float %2, float* %arrayidx.i3, align 4, !noalias !7
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ret void
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}
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attributes #0 = { nounwind uwtable }
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!2 = !{!2, !"some domain"}
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!5 = !{!5, !"some other domain"}
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; Two scopes (which must be self-referential to avoid being "uniqued"):
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!1 = !{!1, !2, !"a scope in dom0"}
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!3 = !{!3, !2, !"another scope in dom0"}
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!7 = !{!3}
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; A list of the two scopes.
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!6 = !{!1, !3}
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; Another scope in the second domain
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!4 = !{!4, !5, !"another scope in dom1"}
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; A list of scopes from both domains.
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!0 = !{!1, !3, !4}
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; CHECK: NoAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
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; CHECK: NoAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
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; CHECK: MayAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %2, float* %arrayidx.i3, align 4, !noalias !7
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; CHECK: NoAlias: %1 = load float, float* %c, align 4, !alias.scope !7 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
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; CHECK: NoAlias: %1 = load float, float* %c, align 4, !alias.scope !7 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
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; CHECK: NoAlias: %1 = load float, float* %c, align 4, !alias.scope !7 <-> store float %2, float* %arrayidx.i3, align 4, !noalias !7
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; CHECK: NoAlias: %2 = load float, float* %c, align 4, !alias.scope !6 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
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; CHECK: NoAlias: %2 = load float, float* %c, align 4, !alias.scope !6 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
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; CHECK: MayAlias: %2 = load float, float* %c, align 4, !alias.scope !6 <-> store float %2, float* %arrayidx.i3, align 4, !noalias !7
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; CHECK: NoAlias: store float %1, float* %arrayidx.i2, align 4, !noalias !6 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
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; CHECK: NoAlias: store float %2, float* %arrayidx.i3, align 4, !noalias !7 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
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; CHECK: NoAlias: store float %2, float* %arrayidx.i3, align 4, !noalias !7 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
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