[PATCH] D157529: [NFC][GuardUtils] Add util to extract widenable conditions

[Anna Thomas via Phabricator via llvm-commits]

anna accepted this revision.
anna added a comment.
This revision is now accepted and ready to land.

LGTM w/ comments.



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Comment at: llvm/lib/Analysis/GuardUtils.cpp:160
+    // We require widenable_condition has only one use, otherwise we don't
+    // consider appropriate branch as widenable
+    if (isWidenableCondition(Check) && Check->hasOneUse()) {
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Comment at: llvm/lib/Transforms/Scalar/LoopPredication.cpp:1124
+      if (L->contains(BI->getSuccessor(0))) {
+        assert(WC->hasOneUse());
+        WC->user_back()->replaceUsesOfWith(
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