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21 lines
422 B
LLVM
21 lines
422 B
LLVM
; RUN: opt < %s -globalsmodref-aa -gvn -S | FileCheck %s
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@g = internal global i32 0 ; <i32*> [#uses=2]
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define i32 @r() {
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%tmp = load i32* @g ; <i32> [#uses=1]
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ret i32 %tmp
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}
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define i32 @f() {
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; CHECK: call i32 @e()
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; CHECK: call i32 @e()
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entry:
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%tmp = call i32 @e( ) ; <i32> [#uses=1]
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store i32 %tmp, i32* @g
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%tmp2 = call i32 @e( ) ; <i32> [#uses=1]
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ret i32 %tmp2
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}
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declare i32 @e() readonly ; might call @r
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