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-rw-r--r--lib/CodeGen/RegAllocFast.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index c7f60ccea3..0e92996d94 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -40,6 +40,7 @@ static cl::opt<bool> VerifyFastRegalloc("verify-fast-regalloc", cl::Hidden,
STATISTIC(NumStores, "Number of stores added");
STATISTIC(NumLoads , "Number of loads added");
+STATISTIC(NumCopies, "Number of copies coalesced");
static RegisterRegAlloc
fastRegAlloc("fast", "fast register allocator", createFastRegisterAllocator);
@@ -771,6 +772,7 @@ void RAFast::AllocateBasicBlock(MachineBasicBlock &MBB) {
// LiveVirtsRegs might refer to the instrs.
for (unsigned i = 0, e = Coalesced.size(); i != e; ++i)
MBB.erase(Coalesced[i]);
+ NumCopies += Coalesced.size();
DEBUG(MBB.dump());
}