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RABasic is nearly functionally complete. There are a few remaining

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benchmarks hitting an assertion.
Adds LiveIntervalUnion::collectInterferingVRegs.
Fixes "late spilling" by checking for any unspillable live vregs among
all physReg aliases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118701 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2010-11-10 19:18:47 +00:00
parent 4283f4b81e
commit f4baeaf848
9 changed files with 228 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/Spiller.cpp
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@ -183,7 +183,7 @@ public:
void spill(LiveInterval *li,
SmallVectorImpl<LiveInterval*> &newIntervals,
SmallVectorImpl<LiveInterval*> &) {
const SmallVectorImpl<LiveInterval*> &) {
// Ignore spillIs - we don't use it.
trivialSpillEverywhere(li, newIntervals);
}
@ -213,7 +213,7 @@ public:
/// Falls back on LiveIntervals::addIntervalsForSpills.
void spill(LiveInterval *li,
SmallVectorImpl<LiveInterval*> &newIntervals,
SmallVectorImpl<LiveInterval*> &spillIs) {
const SmallVectorImpl<LiveInterval*> &spillIs) {
std::vector<LiveInterval*> added =
lis->addIntervalsForSpills(*li, spillIs, loopInfo, *vrm);
newIntervals.insert(newIntervals.end(), added.begin(), added.end());
@ -250,7 +250,7 @@ public:
void spill(LiveInterval *li,
SmallVectorImpl<LiveInterval*> &newIntervals,
SmallVectorImpl<LiveInterval*> &spillIs) {
const SmallVectorImpl<LiveInterval*> &spillIs) {
if (worthTryingToSplit(li))
tryVNISplit(li);
else