6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-09 13:33:17 +00:00
Code Issues Projects Releases Wiki Activity

Terminator gaps were unused. Might as well delete them.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114776 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-09-24 23:58:56 +00:00
parent bd30ce4311
commit 1803b37bad
3 changed files with 1 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/llvm/CodeGen/LiveIntervalAnalysis.h
View File

@ -227,10 +227,6 @@ namespace llvm {
return indexes_->getMBBFromIndex(index);
}
SlotIndex getMBBTerminatorGap(const MachineBasicBlock *mbb) {
return indexes_->getTerminatorGap(mbb);
}
SlotIndex InsertMachineInstrInMaps(MachineInstr *MI) {
return indexes_->insertMachineInstrInMaps(MI);
}

17
include/llvm/CodeGen/SlotIndexes.h
View File

@ -405,9 +405,6 @@ namespace llvm {
/// and MBB id.
std::vector<IdxMBBPair> idx2MBBMap;
typedef DenseMap<const MachineBasicBlock*, SlotIndex> TerminatorGapsMap;
TerminatorGapsMap terminatorGaps;
// IndexListEntry allocator.
BumpPtrAllocator ileAllocator;
@ -579,14 +576,6 @@ namespace llvm {
return itr->second.second;
}
/// Returns the terminator gap for the given index.
SlotIndex getTerminatorGap(const MachineBasicBlock *mbb) {
TerminatorGapsMap::iterator itr = terminatorGaps.find(mbb);
assert(itr != terminatorGaps.end() &&
"All MBBs should have terminator gaps in their indexes.");
return itr->second;
}
/// Returns the basic block which the given index falls in.
MachineBasicBlock* getMBBFromIndex(SlotIndex index) const {
std::vector<IdxMBBPair>::const_iterator I =
@ -789,7 +778,6 @@ namespace llvm {
MachineFunction::iterator nextMBB =
llvm::next(MachineFunction::iterator(mbb));
IndexListEntry *startEntry = createEntry(0, 0);
IndexListEntry *terminatorEntry = createEntry(0, 0);
IndexListEntry *nextEntry = 0;
if (nextMBB == mbb->getParent()->end()) {
@ -799,15 +787,10 @@ namespace llvm {
}
insert(nextEntry, startEntry);
insert(nextEntry, terminatorEntry);
SlotIndex startIdx(startEntry, SlotIndex::LOAD);
SlotIndex terminatorIdx(terminatorEntry, SlotIndex::PHI_BIT);
SlotIndex endIdx(nextEntry, SlotIndex::LOAD);
terminatorGaps.insert(
std::make_pair(mbb, terminatorIdx));
mbb2IdxMap.insert(
std::make_pair(mbb, std::make_pair(startIdx, endIdx)));

17
lib/CodeGen/SlotIndexes.cpp
View File

@ -61,7 +61,6 @@ void SlotIndexes::releaseMemory() {
mi2iMap.clear();
mbb2IdxMap.clear();
idx2MBBMap.clear();
terminatorGaps.clear();
clearList();
}
@ -112,13 +111,6 @@ bool SlotIndexes::runOnMachineFunction(MachineFunction &fn) {
if (mi->isDebugValue())
continue;
if (miItr == mbb->getFirstTerminator()) {
push_back(createEntry(0, index));
terminatorGaps.insert(
std::make_pair(mbb, SlotIndex(back(), SlotIndex::PHI_BIT)));
index += SlotIndex::NUM;
}
// Insert a store index for the instr.
push_back(createEntry(mi, index));
@ -135,13 +127,6 @@ bool SlotIndexes::runOnMachineFunction(MachineFunction &fn) {
index += (Slots + 1) * SlotIndex::NUM;
}
if (mbb->getFirstTerminator() == mbb->end()) {
push_back(createEntry(0, index));
terminatorGaps.insert(
std::make_pair(mbb, SlotIndex(back(), SlotIndex::PHI_BIT)));
index += SlotIndex::NUM;
}
// One blank instruction at the end.
push_back(createEntry(0, index));
@ -179,7 +164,7 @@ void SlotIndexes::renumberIndexes() {
curEntry->setIndex(index);
if (curEntry->getInstr() == 0) {
// MBB start entry or terminator gap. Just step index by 1.
// MBB start entry. Just step index by 1.
index += SlotIndex::NUM;
}
else {