[PATCH] D69563: [LV] Strip wrap flags from vectorized reductions

[Denis Antrushin via Phabricator via llvm-commits]

dantrushin marked an inline comment as done.
dantrushin added inline comments.


================
Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:3706-3709
+    if (StripWrapFlags) {
+      cast<Instruction>(Val)->setHasNoUnsignedWrap(false);
+      cast<Instruction>(Val)->setHasNoSignedWrap(false);
+    }
----------------
lebedev.ri wrote:
> ```
> if(auto* I = dyn_cast<Instruction>(LoopVal))
>   I->dropPoisonGeneratingFlags();
> ```
> Shouldn't this be done outside of this loop though?
No, I think I want them cleared  from every interleaved part



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https://reviews.llvm.org/D69563