diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/VirtRegMap.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/VirtRegMap.cpp b/llvm/lib/CodeGen/VirtRegMap.cpp index d9adfdf7b2e..9fb1b5b65fb 100644 --- a/llvm/lib/CodeGen/VirtRegMap.cpp +++ b/llvm/lib/CodeGen/VirtRegMap.cpp @@ -264,8 +264,7 @@ void VirtRegRewriter::addMBBLiveIns() { if ((SubRegLaneMask & S.LaneMask) == 0) continue; for (unsigned i = 0, e = LiveIn.size(); i != e; ++i) { - if (!LiveIn[i]->isLiveIn(SubReg)) - LiveIn[i]->addLiveIn(SubReg); + LiveIn[i]->addLiveIn(SubReg); } } LiveIn.clear(); @@ -277,12 +276,16 @@ void VirtRegRewriter::addMBBLiveIns() { if (!Indexes->findLiveInMBBs(Seg.start, Seg.end, LiveIn)) continue; for (unsigned i = 0, e = LiveIn.size(); i != e; ++i) - if (!LiveIn[i]->isLiveIn(PhysReg)) - LiveIn[i]->addLiveIn(PhysReg); + LiveIn[i]->addLiveIn(PhysReg); LiveIn.clear(); } } } + + // Sort and unique MBB LiveIns as we've not checked if SubReg/PhysReg were in + // each MBB's LiveIns set before calling addLiveIn on them. + for (MachineBasicBlock &MBB : *MF) + MBB.sortUniqueLiveIns(); } void VirtRegRewriter::rewrite() { |
