[llvm] 9ebbe25 - RegAllocGreedy: Common up part of the priority calculation. NFC.

Jay Foad via llvm-commits llvm-commits at lists.llvm.org
Thu May 5 02:46:22 PDT 2022


Author: Jay Foad
Date: 2022-05-05T10:35:33+01:00
New Revision: 9ebbe25034d2247609b095564954bd84fa12123d

URL: https://github.com/llvm/llvm-project/commit/9ebbe25034d2247609b095564954bd84fa12123d
DIFF: https://github.com/llvm/llvm-project/commit/9ebbe25034d2247609b095564954bd84fa12123d.diff

LOG: RegAllocGreedy: Common up part of the priority calculation. NFC.

Added: 
    

Modified: 
    llvm/lib/CodeGen/RegAllocGreedy.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index a6fc9b1ee011c..31721da2c8309 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -319,15 +319,14 @@ void RAGreedy::enqueue(PQueue &CurQueue, const LiveInterval *LI) {
         // large blocks on targets with many physical registers.
         Prio = Indexes->getZeroIndex().getInstrDistance(LI->endIndex());
       }
-      Prio |= RC.AllocationPriority << 24;
     } else {
       // Allocate global and split ranges in long->short order. Long ranges that
       // don't fit should be spilled (or split) ASAP so they don't create
       // interference.  Mark a bit to prioritize global above local ranges.
       Prio = (1u << 29) + Size;
-
-      Prio |= RC.AllocationPriority << 24;
     }
+    Prio |= RC.AllocationPriority << 24;
+
     // Mark a higher bit to prioritize global and local above RS_Split.
     Prio |= (1u << 31);
 


        


More information about the llvm-commits mailing list