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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-14 22:40:40 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-14 22:40:40 +0000 |
| commit | cdef6bc8de12cb4d02094a4a89a82277c0a5ff61 (patch) | |
| tree | 64498109b8fa7680affd8163f46b79c890330643 /llvm/lib/CodeGen/RegAllocLocal.cpp | |
| parent | 0160e55893ca5187b12c2ef48a8fe3e8f06b6fc4 (diff) | |
| download | bcm5719-llvm-cdef6bc8de12cb4d02094a4a89a82277c0a5ff61.tar.gz bcm5719-llvm-cdef6bc8de12cb4d02094a4a89a82277c0a5ff61.zip | |
RegAllocLocal can count copies too
llvm-svn: 103830
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocLocal.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocLocal.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLocal.cpp b/llvm/lib/CodeGen/RegAllocLocal.cpp index 63725598248..8106a36c9b4 100644 --- a/llvm/lib/CodeGen/RegAllocLocal.cpp +++ b/llvm/lib/CodeGen/RegAllocLocal.cpp @@ -37,6 +37,7 @@ using namespace llvm; STATISTIC(NumStores, "Number of stores added"); STATISTIC(NumLoads , "Number of loads added"); +STATISTIC(NumCopies, "Number of copies coalesced"); static RegisterRegAlloc localRegAlloc("local", "local register allocator", @@ -1156,8 +1157,10 @@ void RALocal::AllocateBasicBlock(MachineBasicBlock &MBB) { if (TII->isMoveInstr(*MI, SrcCopyReg, DstCopyReg, SrcCopySubReg, DstCopySubReg) && SrcCopyReg == DstCopyReg && SrcCopySubReg == DstCopySubReg && - DeadDefs.empty()) + DeadDefs.empty()) { + ++NumCopies; MBB.erase(MI); + } } MachineBasicBlock::iterator MI = MBB.getFirstTerminator(); |
