diff options
| -rw-r--r-- | lib/CodeGen/RegAllocPBQP.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp index fcdbce75d9..f2473681a5 100644 --- a/lib/CodeGen/RegAllocPBQP.cpp +++ b/lib/CodeGen/RegAllocPBQP.cpp @@ -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. @@ -432,6 +432,7 @@ void RegAllocPBQP::getAnalysisUsage(AnalysisUsage &au) const { au.addRequired<SlotIndexes>(); au.addPreserved<SlotIndexes>(); au.addRequired<LiveIntervals>(); + au.addPreserved<LiveIntervals>(); //au.addRequiredID(SplitCriticalEdgesID); if (customPassID) au.addRequiredID(*customPassID); @@ -443,6 +444,7 @@ void RegAllocPBQP::getAnalysisUsage(AnalysisUsage &au) const { au.addRequired<MachineLoopInfo>(); au.addPreserved<MachineLoopInfo>(); au.addRequired<VirtRegMap>(); + au.addPreserved<VirtRegMap>(); MachineFunctionPass::getAnalysisUsage(au); } |