diff options
| -rw-r--r-- | lib/CodeGen/RegAllocPBQP.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp index f2473681a5..984aab2a7a 100644 --- a/lib/CodeGen/RegAllocPBQP.cpp +++ b/lib/CodeGen/RegAllocPBQP.cpp @@ -218,7 +218,7 @@ std::auto_ptr<PBQPRAProblem> PBQPBuilder::build(MachineFunction *mf, LiveInterval *vregLI = &LIS->getInterval(vreg); // Record any overlaps with regmask operands. - BitVector regMaskOverlaps(tri->getNumRegs()); + BitVector regMaskOverlaps; LIS->checkRegMaskInterference(*vregLI, regMaskOverlaps); // Compute an initial allowed set for the current vreg. @@ -231,7 +231,7 @@ std::auto_ptr<PBQPRAProblem> PBQPBuilder::build(MachineFunction *mf, continue; // vregLI crosses a regmask operand that clobbers preg. - if (!regMaskOverlaps.empty() && regMaskOverlaps.test(preg)) + if (!regMaskOverlaps.empty() && !regMaskOverlaps.test(preg)) continue; // vregLI overlaps fixed regunit interference. |