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19 lines
711 B
19 lines
711 B
; RUN: opt < %s -basicaa -globals-aa -gvn -S -enable-unsafe-globalsmodref-alias-results | FileCheck %s
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; RUN: opt < %s -aa-pipeline=basic-aa,globals-aa -passes="require<globals-aa>,function(gvn)" -S -enable-unsafe-globalsmodref-alias-results | FileCheck %s
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;
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; Note that this test relies on an unsafe feature of GlobalsModRef. While this
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; test is correct and safe, GMR's technique for handling this isn't generally.
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@X = internal global i32 4 ; <i32*> [#uses=1]
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define i32 @test(i32* %P) {
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; CHECK: @test
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; CHECK-NEXT: store i32 7, i32* %P
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; CHECK-NEXT: store i32 12, i32* @X
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; CHECK-NEXT: ret i32 7
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store i32 7, i32* %P
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store i32 12, i32* @X
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%V = load i32, i32* %P ; <i32> [#uses=1]
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ret i32 %V
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}
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