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| author | Lang Hames <lhames@gmail.com> | 2012-10-04 04:50:53 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2012-10-04 04:50:53 +0000 |
| commit | 442c59f0a2fc3e596d0ce1f13b4a6849b2f46cc4 (patch) | |
| tree | 685492d53099d9e3eb5fd397c4c18c9269242084 /lib/CodeGen/RegAllocPBQP.cpp | |
| parent | 96098782d183c0d013fa066874e52e18518c32a5 (diff) | |
| download | llvm-442c59f0a2fc3e596d0ce1f13b4a6849b2f46cc4.tar.gz llvm-442c59f0a2fc3e596d0ce1f13b4a6849b2f46cc4.tar.bz2 llvm-442c59f0a2fc3e596d0ce1f13b4a6849b2f46cc4.tar.xz | |
Fix reg mask slot test, and preserve LiveIntervals and VirtRegMap in the PBQP
allocator. Fixes PR13945.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165201 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocPBQP.cpp')
| -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); } |