mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 21:29:20 +00:00
Kill info update bugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41064 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
ada054a9ea
commit
430a7b0c94
@ -109,6 +109,7 @@ bool LiveInterval::overlapsFrom(const LiveInterval& other,
|
||||
void LiveInterval::extendIntervalEndTo(Ranges::iterator I, unsigned NewEnd) {
|
||||
assert(I != ranges.end() && "Not a valid interval!");
|
||||
unsigned ValId = I->ValId;
|
||||
unsigned OldEnd = I->end;
|
||||
|
||||
// Search for the first interval that we can't merge with.
|
||||
Ranges::iterator MergeTo = next(I);
|
||||
@ -123,7 +124,7 @@ void LiveInterval::extendIntervalEndTo(Ranges::iterator I, unsigned NewEnd) {
|
||||
ranges.erase(next(I), MergeTo);
|
||||
|
||||
// Update kill info.
|
||||
removeKillForValNum(ValId, I->start, I->end-1);
|
||||
removeKillForValNum(ValId, OldEnd, I->end-1);
|
||||
|
||||
// If the newly formed range now touches the range after it and if they have
|
||||
// the same value number, merge the two ranges into one range.
|
||||
|
@ -559,8 +559,8 @@ bool SimpleRegisterCoalescing::SimpleJoin(LiveInterval &LHS, LiveInterval &RHS)
|
||||
|
||||
// Okay, the final step is to loop over the RHS live intervals, adding them to
|
||||
// the LHS.
|
||||
LHS.MergeRangesInAsValue(RHS, LHSValNo);
|
||||
LHS.addKillsForValNum(LHSValNo, VNI.kills);
|
||||
LHS.MergeRangesInAsValue(RHS, LHSValNo);
|
||||
LHS.weight += RHS.weight;
|
||||
if (RHS.preference && !LHS.preference)
|
||||
LHS.preference = RHS.preference;
|
||||
|
Loading…
Reference in New Issue
Block a user