[X86] Remove extra spaces from MPX instruction asm strings.

[oota-llvm.git] / lib / Support / IntEqClasses.cpp

diff --git a/lib/Support/IntEqClasses.cpp b/lib/Support/IntEqClasses.cpp
index a14a26d442f7277353063e0212de49ab60916258..ff213570807c3f1954defa89d6ff301dd59d880c 100644 (file)
--- a/lib/Support/IntEqClasses.cpp
+++ b/lib/Support/IntEqClasses.cpp
@@ -24,11 +24,12 @@ using namespace llvm;
 
 void IntEqClasses::grow(unsigned N) {
   assert(NumClasses == 0 && "grow() called after compress().");
+  EC.reserve(N);
   while (EC.size() < N)
     EC.push_back(EC.size());
 }
 
-void IntEqClasses::join(unsigned a, unsigned b) {
+unsigned IntEqClasses::join(unsigned a, unsigned b) {
   assert(NumClasses == 0 && "join() called after compress().");
   unsigned eca = EC[a];
   unsigned ecb = EC[b];
@@ -40,6 +41,8 @@ void IntEqClasses::join(unsigned a, unsigned b) {
       EC[b] = eca, b = ecb, ecb = EC[b];
     else
       EC[a] = ecb, a = eca, eca = EC[a];
+
+  return eca;
 }
 
 unsigned IntEqClasses::findLeader(unsigned a) const {