diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/LiveIntervalUnion.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/CodeGen/LiveIntervalUnion.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/LiveIntervalUnion.cpp b/contrib/llvm-project/llvm/lib/CodeGen/LiveIntervalUnion.cpp index 43fa8f2d7157..7ccb8df4bc05 100644 --- a/contrib/llvm-project/llvm/lib/CodeGen/LiveIntervalUnion.cpp +++ b/contrib/llvm-project/llvm/lib/CodeGen/LiveIntervalUnion.cpp @@ -85,8 +85,8 @@ LiveIntervalUnion::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const { return; } for (LiveSegments::const_iterator SI = Segments.begin(); SI.valid(); ++SI) { - OS << " [" << SI.start() << ' ' << SI.stop() << "):" - << printReg(SI.value()->reg, TRI); + OS << " [" << SI.start() << ' ' << SI.stop() + << "):" << printReg(SI.value()->reg(), TRI); } OS << '\n'; } @@ -95,10 +95,20 @@ LiveIntervalUnion::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const { // Verify the live intervals in this union and add them to the visited set. void LiveIntervalUnion::verify(LiveVirtRegBitSet& VisitedVRegs) { for (SegmentIter SI = Segments.begin(); SI.valid(); ++SI) - VisitedVRegs.set(SI.value()->reg); + VisitedVRegs.set(SI.value()->reg()); } #endif //!NDEBUG +LiveInterval *LiveIntervalUnion::getOneVReg() const { + if (empty()) + return nullptr; + for (LiveSegments::const_iterator SI = Segments.begin(); SI.valid(); ++SI) { + // return the first valid live interval + return SI.value(); + } + return nullptr; +} + // Scan the vector of interfering virtual registers in this union. Assume it's // quite small. bool LiveIntervalUnion::Query::isSeenInterference(LiveInterval *VirtReg) const { |