[PATCH] D37019: Add select simplifications
David Majnemer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 22 13:23:09 PDT 2017
majnemer added inline comments.
================
Comment at: lib/Transforms/InstCombine/InstCombineAddSub.cpp:1408-1409
+ isa<Constant>(B1) && isa<Constant>(B2)) {
+ Value *V0 = Builder.CreateFAdd(A1, A2);
+ Value *V1 = Builder.CreateFAdd(B1, B2);
+ return SelectInst::Create(C, V0, V1);
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Shouldn't these copy the fast math flags from the original add?
https://reviews.llvm.org/D37019
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