commit d8b4fb4aab4d6fedb2b14bed1b846451b17bde7c
author Jay Foad <jay.foad@gmail.com> Wed Mar 30 11:19:20 2011 +0000
committer Jay Foad <jay.foad@gmail.com> Wed Mar 30 11:19:20 2011 +0000
tree fb1299f91120b2d0bf513abc2ac6f42393fc627d
parent 8be7d8b43cef4fda9dec3ce05449e3d74c25fb04

(Almost) always call reserveOperandSpace() on newly created PHINodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128535 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/UnifyFunctionExitNodes.cpp

diff --git a/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp b/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
index ccb8287..24d20d0 100644
--- a/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
+++ b/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
@@ -117,6 +117,7 @@
   } else {
     // If the function doesn't return void... add a PHI node to the block...
     PN = PHINode::Create(F.getReturnType(), "UnifiedRetVal");
+    PN->reserveOperandSpace(ReturningBlocks.size());
     NewRetBlock->getInstList().push_back(PN);
     ReturnInst::Create(F.getContext(), PN, NewRetBlock);
   }