2009-09-08 16:50:01 +00:00
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; RUN: opt %s -basicaa -gvn -instcombine |\
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2007-04-14 19:27:03 +00:00
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; RUN: llvm-dis | grep {ret i32 0}
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2005-05-08 23:57:34 +00:00
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2008-02-14 06:56:27 +00:00
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declare void @foo(i32*)
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2005-05-08 23:57:34 +00:00
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2008-02-14 06:56:27 +00:00
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declare void @bar()
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2005-05-08 23:57:34 +00:00
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2008-02-14 06:56:27 +00:00
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define i32 @test() {
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%A = alloca i32 ; <i32*> [#uses=3]
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call void @foo( i32* %A )
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%X = load i32* %A ; <i32> [#uses=1]
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tail call void @bar( )
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%Y = load i32* %A ; <i32> [#uses=1]
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%Z = sub i32 %X, %Y ; <i32> [#uses=1]
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ret i32 %Z
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}
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