diff options
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonExpandCondsets.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonExpandCondsets.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonExpandCondsets.cpp b/llvm/lib/Target/Hexagon/HexagonExpandCondsets.cpp index 15ffa1c4c66..edbd61d5eb4 100644 --- a/llvm/lib/Target/Hexagon/HexagonExpandCondsets.cpp +++ b/llvm/lib/Target/Hexagon/HexagonExpandCondsets.cpp @@ -1078,6 +1078,8 @@ bool HexagonExpandCondsets::coalesceRegisters(RegisterRef R1, RegisterRef R2) { LiveInterval &L2 = LIS->getInterval(R2.Reg); if (L2.empty()) return false; + if (L1.hasSubRanges() || L2.hasSubRanges()) + return false; bool Overlap = L1.overlaps(L2); DEBUG(dbgs() << "compatible registers: (" @@ -1113,6 +1115,7 @@ bool HexagonExpandCondsets::coalesceRegisters(RegisterRef R1, RegisterRef R2) { } while (L2.begin() != L2.end()) L2.removeSegment(*L2.begin()); + LIS->removeInterval(R2.Reg); updateKillFlags(R1.Reg); DEBUG(dbgs() << "coalesced: " << L1 << "\n"); |
