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| author | Matthias Braun <matze@braunis.de> | 2013-10-10 21:29:02 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2013-10-10 21:29:02 +0000 |
| commit | 34e1be94519594a4afd7bbf7ec11fd86ce0c86de (patch) | |
| tree | afce265c18d39bfd6433e27c35ac5091588451d6 /llvm/lib/CodeGen/LiveRegMatrix.cpp | |
| parent | 2d5c32b3b50510d5f91c6c11d5bcf20f652b8b11 (diff) | |
| download | bcm5719-llvm-34e1be94519594a4afd7bbf7ec11fd86ce0c86de.tar.gz bcm5719-llvm-34e1be94519594a4afd7bbf7ec11fd86ce0c86de.zip | |
Represent RegUnit liveness with LiveRange instance
Previously LiveInterval has been used, but having a spill weight and
register number is unnecessary for a register unit.
llvm-svn: 192397
Diffstat (limited to 'llvm/lib/CodeGen/LiveRegMatrix.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveRegMatrix.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/LiveRegMatrix.cpp b/llvm/lib/CodeGen/LiveRegMatrix.cpp index 0ef069f4782..1d801ac914a 100644 --- a/llvm/lib/CodeGen/LiveRegMatrix.cpp +++ b/llvm/lib/CodeGen/LiveRegMatrix.cpp @@ -119,9 +119,11 @@ bool LiveRegMatrix::checkRegUnitInterference(LiveInterval &VirtReg, if (VirtReg.empty()) return false; CoalescerPair CP(VirtReg.reg, PhysReg, *TRI); - for (MCRegUnitIterator Units(PhysReg, TRI); Units.isValid(); ++Units) - if (VirtReg.overlaps(LIS->getRegUnit(*Units), CP, *LIS->getSlotIndexes())) + for (MCRegUnitIterator Units(PhysReg, TRI); Units.isValid(); ++Units) { + const LiveRange &UnitRange = LIS->getRegUnit(*Units); + if (VirtReg.overlaps(UnitRange, CP, *LIS->getSlotIndexes())) return true; + } return false; } |
