6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-27 00:21:03 +00:00
Code Issues Projects Releases Wiki Activity

Don't return a std::vector in the Spiller interface, but take a reference to a

Browse Source 
vector instead. This avoids needless copying and allocation.

Add documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106788 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-06-24 20:54:29 +00:00
parent 788184365a
commit 67674e2685
3 changed files with 38 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
lib/CodeGen/RegAllocLinearScan.cpp
View File

@@ -1206,8 +1206,7 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur) {
DEBUG(dbgs() << "\t\t\tspilling(c): " << *cur << '\n');
SmallVector<LiveInterval*, 8> spillIs;
std::vector<LiveInterval*> added;
added = spiller_->spill(cur, spillIs);
spiller_->spill(cur, added, spillIs);
std::sort(added.begin(), added.end(), LISorter());
addStackInterval(cur, ls_, li_, mri_, *vrm_);
@@ -1285,10 +1284,8 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur) {
if (sli->beginIndex() < earliestStart)
earliestStart = sli->beginIndex();
std::vector<LiveInterval*> newIs;
newIs = spiller_->spill(sli, spillIs, &earliestStart);
spiller_->spill(sli, added, spillIs, &earliestStart);
addStackInterval(sli, ls_, li_, mri_, *vrm_);
std::copy(newIs.begin(), newIs.end(), std::back_inserter(added));
spilled.insert(sli->reg);
}