diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LCSSA.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LCSSA.cpp | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/llvm/lib/Transforms/Utils/LCSSA.cpp b/llvm/lib/Transforms/Utils/LCSSA.cpp index bee6e24d25a..9658966779b 100644 --- a/llvm/lib/Transforms/Utils/LCSSA.cpp +++ b/llvm/lib/Transforms/Utils/LCSSA.cpp @@ -115,8 +115,7 @@ bool llvm::formLCSSAForInstructions(SmallVectorImpl<Instruction *> &Worklist, SmallVector<PHINode *, 16> AddedPHIs; SmallVector<PHINode *, 8> PostProcessPHIs; - SmallVector<PHINode *, 4> InsertedPHIs; - SSAUpdater SSAUpdate(&InsertedPHIs); + SSAUpdater SSAUpdate; SSAUpdate.Initialize(I->getType(), I->getName()); // Insert the LCSSA phi's into all of the exit blocks dominated by the @@ -185,14 +184,6 @@ bool llvm::formLCSSAForInstructions(SmallVectorImpl<Instruction *> &Worklist, // Otherwise, do full PHI insertion. SSAUpdate.RewriteUse(*UseToRewrite); - - // SSAUpdater might have inserted phi-nodes inside other loops. We'll need - // to post-process them to keep LCSSA form. - for (PHINode *InsertedPN : InsertedPHIs) { - if (auto *OtherLoop = LI.getLoopFor(InsertedPN->getParent())) - if (!L->contains(OtherLoop)) - PostProcessPHIs.push_back(InsertedPN); - } } // Post process PHI instructions that were inserted into another disjoint |
