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40 lines
1.1 KiB
40 lines
1.1 KiB
; RUN: opt < %s -disable-basicaa -cfl-steens-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
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; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
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; CHECK-LABEL: Function: foo
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; CHECK: MayAlias: i32* %A, i32* %B
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define void @foo(i32* %A, i32* %B) {
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entry:
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store i32 0, i32* %A, align 4
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store i32 0, i32* %B, align 4
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ret void
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}
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; CHECK-LABEL: Function: bar
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; CHECK: MayAlias: i32* %A, i32* %B
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; CHECK: MayAlias: i32* %A, i32* %arrayidx
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; CHECK: MayAlias: i32* %B, i32* %arrayidx
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define void @bar(i32* %A, i32* %B) {
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entry:
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store i32 0, i32* %A, align 4
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%arrayidx = getelementptr inbounds i32, i32* %B, i64 1
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store i32 0, i32* %arrayidx, align 4
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ret void
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}
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@G = global i32 0
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; CHECK-LABEL: Function: baz
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; CHECK: MayAlias: i32* %A, i32* @G
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define void @baz(i32* %A) {
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entry:
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store i32 0, i32* %A, align 4
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store i32 0, i32* @G, align 4
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ret void
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}
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; CHECK-LABEL: Alias Analysis Evaluator Report
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; CHECK: 5 Total Alias Queries Performed
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; CHECK: 0 no alias responses
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; CHECK: 5 may alias responses
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