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ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
432 B
LLVM
15 lines
432 B
LLVM
; This testcase shows a bug where an common subexpression exists, but there
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; is no shared dominator block that the expression can be hoisted out to.
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;
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; RUN: llvm-as < %s | opt -gcse | llvm-dis
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define i32 @test(i32 %X, i32 %Y) {
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%Z = add i32 %X, %Y ; <i32> [#uses=1]
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ret i32 %Z
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Unreachable: ; No predecessors!
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%Q = add i32 %X, %Y ; <i32> [#uses=1]
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ret i32 %Q
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}
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