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RegAllocFast: Rename statistic from NumCopies to NumCoalesced

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The metric does not return the number of remaining (or inserted) copies
but the number of copies that were coalesced. Pick a more descriptive
name.

llvm-svn: 346287
This commit is contained in:
Matthias Braun 2018-11-07 02:04:07 +00:00
parent 58e7365bdd
commit f32d8f4914
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/RegAllocFast.cpp
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@ -54,7 +54,7 @@ using namespace llvm;
STATISTIC(NumStores, "Number of stores added");
STATISTIC(NumLoads , "Number of loads added");
STATISTIC(NumCopies, "Number of copies coalesced");
STATISTIC(NumCoalesced, "Number of copies coalesced");
static RegisterRegAlloc
fastRegAlloc("fast", "fast register allocator", createFastRegisterAllocator);
@ -1079,7 +1079,7 @@ void RegAllocFast::allocateBasicBlock(MachineBasicBlock &MBB) {
// LiveVirtRegs might refer to the instrs.
for (MachineInstr *MI : Coalesced)
MBB.erase(MI);
NumCopies += Coalesced.size();
NumCoalesced += Coalesced.size();
LLVM_DEBUG(MBB.dump());
}