[PATCH] D127810: [InstCombine] Improve check for catchswitch BBs (NFC)

Heejin Ahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 14 16:44:14 PDT 2022


aheejin created this revision.
aheejin added a reviewer: nikic.
Herald added subscribers: wingo, hiraditya.
Herald added a project: All.
aheejin requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D127810

Files:
  llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp


Index: llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
===================================================================
--- llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
+++ llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
@@ -1125,7 +1125,7 @@
     // extract the value within that BB because we cannot insert any non-PHI
     // instructions in the BB.
     for (auto *Pred : PN->blocks())
-      if (isa<CatchSwitchInst>(Pred->getFirstNonPHI()))
+      if (Pred->getFirstInsertionPt() == Pred->end())
         return nullptr;
 
     for (User *U : PN->users()) {


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