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19 lines
407 B
LLVM
19 lines
407 B
LLVM
; RUN: opt < %s -basicaa -globalsmodref-aa -gvn -S | FileCheck %s
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@X = internal global i32 4 ; <i32*> [#uses=2]
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define i32 @test(i32* %P) {
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; CHECK: @test
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; CHECK-NEXT: store i32 12, i32* @X
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; CHECK-NEXT: call void @doesnotmodX()
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; CHECK-NEXT: ret i32 12
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store i32 12, i32* @X
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call void @doesnotmodX( )
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%V = load i32* @X ; <i32> [#uses=1]
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ret i32 %V
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}
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define void @doesnotmodX() {
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ret void
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}
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