diff options
| -rw-r--r-- | lib/CodeGen/RegAllocGreedy.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp index 1f0c241dd2..239c8e4359 100644 --- a/lib/CodeGen/RegAllocGreedy.cpp +++ b/lib/CodeGen/RegAllocGreedy.cpp @@ -398,12 +398,15 @@ void RAGreedy::enqueue(LiveInterval *LI) { if (ExtraRegInfo[Reg].Stage == RS_New) ExtraRegInfo[Reg].Stage = RS_Assign; - if (ExtraRegInfo[Reg].Stage == RS_Split) + if (ExtraRegInfo[Reg].Stage == RS_Split) { // Unsplit ranges that couldn't be allocated immediately are deferred until // everything else has been allocated. Long ranges are allocated last so // they are split against realistic interference. - Prio = (1u << 31) - Size; - else { + if (CompactRegions) + Prio = Size; + else + Prio = (1u << 31) - Size; + } else { // Everything else is allocated in long->short order. Long ranges that don't // fit should be spilled ASAP so they don't create interference. Prio = (1u << 31) + Size; |