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Add coalescer asserts.

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llvm-svn: 91945
This commit is contained in:
Jakob Stoklund Olesen 2009-12-22 23:54:54 +00:00
parent 9d1c8ecf05
commit c971898a40
1 changed files with 6 additions and 4 deletions
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10
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -2246,8 +2246,9 @@ SimpleRegisterCoalescing::JoinIntervals(LiveInterval &LHS, LiveInterval &RHS,
continue;
// Figure out the value # from the RHS.
LHSValsDefinedFromRHS[VNI]=
RHS.getLiveRangeContaining(VNI->def.getPrevSlot())->valno;
LiveRange *lr = RHS.getLiveRangeContaining(VNI->def.getPrevSlot());
assert(lr && "Cannot find live range");
LHSValsDefinedFromRHS[VNI] = lr->valno;
}
// Loop over the value numbers of the RHS, seeing if any are defined from
@ -2264,8 +2265,9 @@ SimpleRegisterCoalescing::JoinIntervals(LiveInterval &LHS, LiveInterval &RHS,
continue;
// Figure out the value # from the LHS.
RHSValsDefinedFromLHS[VNI]=
LHS.getLiveRangeContaining(VNI->def.getPrevSlot())->valno;
LiveRange *lr = LHS.getLiveRangeContaining(VNI->def.getPrevSlot());
assert(lr && "Cannot find live range");
RHSValsDefinedFromLHS[VNI] = lr->valno;
}
LHSValNoAssignments.resize(LHS.getNumValNums(), -1);