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c1be92f3bb
does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
14 lines
301 B
LLVM
14 lines
301 B
LLVM
; RUN: opt < %s -basicaa -gvn -instcombine -S | grep {ret i32 0}
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; PR4189
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@G = external constant [4 x i32]
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define i32 @test(i8* %p, i32 %i) nounwind {
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entry:
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%P = getelementptr [4 x i32]* @G, i32 0, i32 %i
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%A = load i32* %P
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store i8 4, i8* %p
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%B = load i32* %P
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%C = sub i32 %A, %B
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ret i32 %C
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}
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