From 630a7f3064d8863c4d1509c57d3af8ab3bcf859e Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 20 Mar 2012 21:07:51 +0000
Subject: [PATCH] Reserve number of MI operands to accom,odate complex
 patterns.

llvm-svn: 153125
---
 llvm/utils/TableGen/PseudoLoweringEmitter.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/llvm/utils/TableGen/PseudoLoweringEmitter.cpp b/llvm/utils/TableGen/PseudoLoweringEmitter.cpp
index d3e23890a815..802d112108fa 100644
--- a/llvm/utils/TableGen/PseudoLoweringEmitter.cpp
+++ b/llvm/utils/TableGen/PseudoLoweringEmitter.cpp
@@ -100,8 +100,11 @@ void PseudoLoweringEmitter::evaluateExpansion(Record *Rec) {
     throw TGError(Rec->getLoc(), "Pseudo result '" + Operator->getName() +
                                  "' operand count mismatch");
 
+  unsigned NumMIOperands = 0;
+  for (unsigned i = 0, e = Insn.Operands.size(); i != e; ++i)
+    NumMIOperands += Insn.Operands[i].MINumOperands;
   IndexedMap<OpData> OperandMap;
-  OperandMap.grow(Insn.Operands.size());
+  OperandMap.grow(NumMIOperands);
 
   addDagOperandMapping(Rec, Dag, Insn, OperandMap, 0);