diff options
| author | hrs <hrs@FreeBSD.org> | 2011-06-16 12:24:02 +0000 |
|---|---|---|
| committer | hrs <hrs@FreeBSD.org> | 2011-06-16 12:24:02 +0000 |
| commit | 7afd303ca9e45353e1af220a988ddac723fde355 (patch) | |
| tree | 356c3cc3903b4ba969f103c2c6ccc21fc748bdaa /contrib/llvm/lib/CodeGen/VirtRegMap.cpp | |
| parent | b2a6f5600367e61c439c79db2317d4619960e2ce (diff) | |
| parent | cc8fba8d7c933e32931cfc80150a2ed465e70825 (diff) | |
| download | FreeBSD-src-7afd303ca9e45353e1af220a988ddac723fde355.zip FreeBSD-src-7afd303ca9e45353e1af220a988ddac723fde355.tar.gz | |
Merge from HEAD@222977.
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); |
