diff options
Diffstat (limited to 'lib/CodeGen/LiveRegMatrix.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRegMatrix.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveRegMatrix.cpp b/lib/CodeGen/LiveRegMatrix.cpp index 0ef069f..1d801ac 100644 --- a/lib/CodeGen/LiveRegMatrix.cpp +++ b/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; } |