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| author | Owen Anderson <resistor@mac.com> | 2009-01-21 00:13:28 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2009-01-21 00:13:28 +0000 |
| commit | be7a29de0b54dd1d4d79b0652b42cab1fc106b20 (patch) | |
| tree | 7348ff5f4edba3a6f04724570104ce0bb20282b7 /llvm/lib/CodeGen | |
| parent | 19f2dd794e2622e667081a1258d2a40638ea2fd9 (diff) | |
| download | bcm5719-llvm-be7a29de0b54dd1d4d79b0652b42cab1fc106b20.tar.gz bcm5719-llvm-be7a29de0b54dd1d4d79b0652b42cab1fc106b20.zip | |
Be more aggressive about renumbering vregs after splitting them.
llvm-svn: 62639
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/PreAllocSplitting.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/PreAllocSplitting.cpp b/llvm/lib/CodeGen/PreAllocSplitting.cpp index 6b37637ee95..3c8257f1dac 100644 --- a/llvm/lib/CodeGen/PreAllocSplitting.cpp +++ b/llvm/lib/CodeGen/PreAllocSplitting.cpp @@ -1127,9 +1127,11 @@ bool PreAllocSplitting::Rematerialize(unsigned vreg, VNInfo* ValNo, LIs->InsertMachineInstrInMaps(prior(RestorePt), RestoreIdx); if (KillPt->getParent() == BarrierMBB) { - UpdateRegisterInterval(ValNo, LIs->getUseIndex(KillIdx)+1, + VNInfo* After = UpdateRegisterInterval(ValNo, LIs->getUseIndex(KillIdx)+1, LIs->getDefIndex(RestoreIdx)); + RenumberValno(After); + ++NumSplits; ++NumRemats; return true; @@ -1312,9 +1314,11 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) { UpdateSpillSlotInterval(ValNo, LIs->getUseIndex(SpillIndex)+1, LIs->getDefIndex(RestoreIndex)); - UpdateRegisterInterval(ValNo, LIs->getUseIndex(SpillIndex)+1, + VNInfo* After = UpdateRegisterInterval(ValNo, + LIs->getUseIndex(SpillIndex)+1, LIs->getDefIndex(RestoreIndex)); - + RenumberValno(After); + ++NumSplits; return true; } |
