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Fix PR2553
[oota-llvm.git]
/
test
/
Transforms
/
InstCombine
/
2008-07-16-fsub.ll
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep sub
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; PR2553
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define double @test(double %X) nounwind {
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; fsub of self can't be optimized away.
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%Y = sub double %X, %X
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ret double %Y
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}