diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/VirtRegMap.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/VirtRegMap.cpp b/contrib/llvm/lib/CodeGen/VirtRegMap.cpp index 226b78f..7557979 100644 --- a/contrib/llvm/lib/CodeGen/VirtRegMap.cpp +++ b/contrib/llvm/lib/CodeGen/VirtRegMap.cpp @@ -42,6 +42,7 @@ using namespace llvm; STATISTIC(NumSpills , "Number of register spills"); +STATISTIC(NumIdCopies, "Number of identity moves eliminated after rewriting"); //===----------------------------------------------------------------------===// // VirtRegMap implementation @@ -318,6 +319,7 @@ void VirtRegMap::rewrite(SlotIndexes *Indexes) { // Finally, remove any identity copies. if (MI->isIdentityCopy()) { + ++NumIdCopies; if (MI->getNumOperands() == 2) { DEBUG(dbgs() << "Deleting identity copy.\n"); RemoveMachineInstrFromMaps(MI); |
