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ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
659 B
Plaintext
19 lines
659 B
Plaintext
; RUN: llvm-as < %s | opt -instcombine -mem2reg | llvm-dis | \
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; RUN: not grep {i32 1}
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; When propagating the load through the select, make sure that the load is
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; inserted where the original load was, not where the select is. Not doing
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; so could produce incorrect results!
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define i32 @test(i1 %C) {
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%X = alloca i32 ; <i32*> [#uses=3]
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%X2 = alloca i32 ; <i32*> [#uses=2]
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store i32 1, i32* %X
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store i32 2, i32* %X2
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%Y = select i1 %C, i32* %X, i32* %X2 ; <i32*> [#uses=1]
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store i32 3, i32* %X
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%Z = load i32* %Y ; <i32> [#uses=1]
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ret i32 %Z
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}
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