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authorJakub Staszak <kubastaszak@gmail.com>2012-11-14 22:42:17 +0000
committerJakub Staszak <kubastaszak@gmail.com>2012-11-14 22:42:17 +0000
commitab0139cb907423ef6d7928ab293451bf60d6117a (patch)
tree1ebd79c16f8bebd9b63e85b8e75d347be345de17 /llvm/lib
parent91155087e905b4004beb2865512d3c86a24f9112 (diff)
downloadbcm5719-llvm-ab0139cb907423ef6d7928ab293451bf60d6117a.tar.gz
bcm5719-llvm-ab0139cb907423ef6d7928ab293451bf60d6117a.zip
Use reserve() to avoid vector reallocation.
llvm-svn: 167991
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/CodeGen/RegisterCoalescer.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp
index 7e662e5385b..df679752860 100644
--- a/llvm/lib/CodeGen/RegisterCoalescer.cpp
+++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp
@@ -2068,6 +2068,7 @@ void RegisterCoalescer::joinAllIntervals() {
assert(WorkList.empty() && LocalWorkList.empty() && "Old data still around.");
std::vector<MBBPriorityInfo> MBBs;
+ MBBs.reserve(MF->size());
for (MachineFunction::iterator I = MF->begin(), E = MF->end();I != E;++I){
MachineBasicBlock *MBB = I;
MBBs.push_back(MBBPriorityInfo(MBB, Loops->getLoopDepth(MBB),
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