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| author | grehan <grehan@FreeBSD.org> | 2011-06-28 06:26:03 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2011-06-28 06:26:03 +0000 |
| commit | 2c6741be0f59191f2283eb268e4f7690399d578a (patch) | |
| tree | b139c8c6dcca4fa284815daade405b75886ee360 /contrib/llvm/lib/CodeGen/VirtRegMap.cpp | |
| parent | 3c35264f695e0a1f8a04dbcca1c93bb5159b2274 (diff) | |
| parent | 19ae02bba572390c7299166228d31e54003e094a (diff) | |
| download | FreeBSD-src-2c6741be0f59191f2283eb268e4f7690399d578a.zip FreeBSD-src-2c6741be0f59191f2283eb268e4f7690399d578a.tar.gz | |
IFC @ r222830
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); |
