6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-19 08:35:45 +00:00
Code Issues Projects Releases Wiki Activity

Rename LiveRange to LiveInterval::Segment

Browse Source 
The Segment struct contains a single interval; multiple instances of this struct
are used to construct a live range, but the struct is not a live range by
itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192392 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2013-10-10 21:28:43 +00:00
parent 4afb5f560d
commit 331de11a0a
16 changed files with 369 additions and 372 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/SplitKit.cpp
+7 -7
View File
@@ -214,7 +214,7 @@ bool SplitAnalysis::calcLiveBlockInfo() {
// When not live in, the first use should be a def.
if (!BI.LiveIn) {
assert(LVI->start == LVI->valno->def && "Dangling LiveRange start");
assert(LVI->start == LVI->valno->def && "Dangling Segment start");
assert(LVI->start == BI.FirstInstr && "First instr should be a def");
BI.FirstDef = BI.FirstInstr;
}
@@ -245,8 +245,8 @@ bool SplitAnalysis::calcLiveBlockInfo() {
BI.FirstInstr = BI.FirstDef = LVI->start;
}
// A LiveRange that starts in the middle of the block must be a def.
assert(LVI->start == LVI->valno->def && "Dangling LiveRange start");
// A Segment that starts in the middle of the block must be a def.
assert(LVI->start == LVI->valno->def && "Dangling Segment start");
if (!BI.FirstDef)
BI.FirstDef = LVI->start;
}
@@ -395,14 +395,14 @@ VNInfo *SplitEditor::defValue(unsigned RegIdx,
// If the previous value was a simple mapping, add liveness for it now.
if (VNInfo *OldVNI = InsP.first->second.getPointer()) {
SlotIndex Def = OldVNI->def;
LI->addRange(LiveRange(Def, Def.getDeadSlot(), OldVNI));
LI->addSegment(LiveInterval::Segment(Def, Def.getDeadSlot(), OldVNI));
// No longer a simple mapping. Switch to a complex, non-forced mapping.
InsP.first->second = ValueForcePair();
}
// This is a complex mapping, add liveness for VNI
SlotIndex Def = VNI->def;
LI->addRange(LiveRange(Def, Def.getDeadSlot(), VNI));
LI->addSegment(LiveInterval::Segment(Def, Def.getDeadSlot(), VNI));
return VNI;
}
@@ -423,7 +423,7 @@ void SplitEditor::forceRecompute(unsigned RegIdx, const VNInfo *ParentVNI) {
// by a trivial live range.
SlotIndex Def = VNI->def;
LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
LI->addRange(LiveRange(Def, Def.getDeadSlot(), VNI));
LI->addSegment(LiveInterval::Segment(Def, Def.getDeadSlot(), VNI));
// Mark as complex mapped, forced.
VFP = ValueForcePair(0, true);
}
@@ -868,7 +868,7 @@ bool SplitEditor::transferValues() {
ValueForcePair VFP = Values.lookup(std::make_pair(RegIdx, ParentVNI->id));
if (VNInfo *VNI = VFP.getPointer()) {
DEBUG(dbgs() << ':' << VNI->id);
LI->addRange(LiveRange(Start, End, VNI));
LI->addSegment(LiveInterval::Segment(Start, End, VNI));
Start = End;
continue;
}