diff options
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 93fb350e84..276a5092f6 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -683,6 +683,8 @@ bool SimpleRegisterCoalescing::JoinIntervals(LiveInterval &LHS, LiveInterval &RH RHSValNoAssignments[0] = RHSValID; if (RHSVal0DefinedFromLHS != -1) { int LHSValId = LHSValNoAssignments[RHSVal0DefinedFromLHS]; + unsigned DefIdx = RHS.getDefForValNum(0); + LiveInterval::removeKill(ValueNumberInfo[LHSValId], DefIdx); LHS.addKills(ValueNumberInfo[LHSValId], RHS.getKillsForValNum(0)); } } else { @@ -797,6 +799,8 @@ bool SimpleRegisterCoalescing::JoinIntervals(LiveInterval &LHS, LiveInterval &RH if (LHSValId == -1) continue; unsigned RHSValId = RHSValNoAssignments[i]; + unsigned DefIdx = RHS.getDefForValNum(i); + LiveInterval::removeKill(ValueNumberInfo[RHSValId], DefIdx); LHS.addKills(ValueNumberInfo[RHSValId], RHS.getKillsForValNum(i)); } for (unsigned i = 0, e = LHSValsDefinedFromRHS.size(); i != e; ++i) { @@ -804,6 +808,8 @@ bool SimpleRegisterCoalescing::JoinIntervals(LiveInterval &LHS, LiveInterval &RH if (RHSValId == -1) continue; unsigned LHSValId = LHSValNoAssignments[i]; + unsigned DefIdx = LHS.getDefForValNum(i); + LiveInterval::removeKill(ValueNumberInfo[LHSValId], DefIdx); RHS.addKills(ValueNumberInfo[LHSValId], LHS.getKillsForValNum(i)); } |