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view test/Transforms/InstCombine/2008-07-16-fsub.ll @ 147:c2174574ed3a

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LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
parents 95c75e76d11b
children
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; RUN: opt < %s -instcombine -S | grep sub
; PR2553

define double @test(double %X) nounwind {
	; fsub of self can't be optimized away.
	%Y = fsub double %X, %X
	ret double %Y
}