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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-14 21:55:50 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-14 21:55:50 +0000 |
| commit | 8a65c510a4fa1245d101da6318618d025702028c (patch) | |
| tree | 0c82ea43b2ed0576f51bc1692f4bc984331a9d9a /lib/CodeGen/RegAllocFast.cpp | |
| parent | a0e618de5d9b40e5b5189c299086487e5ad767f2 (diff) | |
| download | llvm-8a65c510a4fa1245d101da6318618d025702028c.tar.gz llvm-8a65c510a4fa1245d101da6318618d025702028c.tar.bz2 llvm-8a65c510a4fa1245d101da6318618d025702028c.tar.xz | |
Count coalesced copies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103821 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocFast.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 2 |
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()); } |