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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54832 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
472 B
LLVM
17 lines
472 B
LLVM
; RUN: llvm-as < %s | opt -basicaa -gvn -instcombine |\
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; RUN: llvm-dis | grep {ret i32 0}
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declare void @foo(i32*)
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declare void @bar()
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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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