Remove PHINode::reserveOperandSpace(). Instead, add a parameter to
PHINode::Create() giving the (known or expected) number of operands.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128538 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index 386fd95..99b8b57 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -830,13 +830,11 @@
   EmitBlock(LoopBodyBB);
 
   // The current index into the buffer.
-  llvm::PHINode *index = Builder.CreatePHI(UnsignedLongLTy, "forcoll.index");
-  index->reserveOperandSpace(3);
+  llvm::PHINode *index = Builder.CreatePHI(UnsignedLongLTy, 3, "forcoll.index");
   index->addIncoming(zero, LoopInitBB);
 
   // The current buffer size.
-  llvm::PHINode *count = Builder.CreatePHI(UnsignedLongLTy, "forcoll.count");
-  count->reserveOperandSpace(3);
+  llvm::PHINode *count = Builder.CreatePHI(UnsignedLongLTy, 3, "forcoll.count");
   count->addIncoming(initialBufferLimit, LoopInitBB);
 
   // Check whether the mutations value has changed from where it was