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InsertPointAnalysis: Move current live interval from being a class member

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to query interfaces argument; NFC

Differential Revision: http://reviews.llvm.org/D20532


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270481 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Wei Mi
2016-05-23 19:39:19 +00:00
parent 0878fd7d6b
commit 14a29ca2bb
3 changed files with 22 additions and 24 deletions
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lib/CodeGen/SplitKit.cpp
+8 -8
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@@ -43,10 +43,11 @@ STATISTIC(NumRepairs, "Number of invalid live ranges repaired");
InsertPointAnalysis::InsertPointAnalysis(const LiveIntervals &lis,
unsigned BBNum)
: LIS(lis), CurLI(nullptr), LastInsertPoint(BBNum) {}
: LIS(lis), LastInsertPoint(BBNum) {}
SlotIndex
InsertPointAnalysis::computeLastInsertPoint(const MachineBasicBlock &MBB) {
InsertPointAnalysis::computeLastInsertPoint(const LiveInterval &CurLI,
const MachineBasicBlock &MBB) {
unsigned Num = MBB.getNumber();
std::pair<SlotIndex, SlotIndex> &LIP = LastInsertPoint[Num];
SlotIndex MBBEnd = LIS.getMBBEndIdx(&MBB);
@@ -85,14 +86,13 @@ InsertPointAnalysis::computeLastInsertPoint(const MachineBasicBlock &MBB) {
if (!LIP.second)
return LIP.first;
assert(CurLI && "CurLI not being set");
if (none_of(EHPadSucessors, [&](const MachineBasicBlock *EHPad) {
return LIS.isLiveInToMBB(*CurLI, EHPad);
return LIS.isLiveInToMBB(CurLI, EHPad);
}))
return LIP.first;
// Find the value leaving MBB.
const VNInfo *VNI = CurLI->getVNInfoBefore(MBBEnd);
const VNInfo *VNI = CurLI.getVNInfoBefore(MBBEnd);
if (!VNI)
return LIP.first;
@@ -109,8 +109,9 @@ InsertPointAnalysis::computeLastInsertPoint(const MachineBasicBlock &MBB) {
}
MachineBasicBlock::iterator
InsertPointAnalysis::getLastInsertPointIter(MachineBasicBlock &MBB) {
SlotIndex LIP = getLastInsertPoint(MBB);
InsertPointAnalysis::getLastInsertPointIter(const LiveInterval &CurLI,
MachineBasicBlock &MBB) {
SlotIndex LIP = getLastInsertPoint(CurLI, MBB);
if (LIP == LIS.getMBBEndIdx(&MBB))
return MBB.end();
return LIS.getInstructionFromIndex(LIP);
@@ -328,7 +329,6 @@ bool SplitAnalysis::isOriginalEndpoint(SlotIndex Idx) const {
void SplitAnalysis::analyze(const LiveInterval *li) {
clear();
CurLI = li;
IPA.setInterval(li);
analyzeUses();
}