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Extract two methods. No functional change.

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llvm-svn: 144020
This commit is contained in:
Jakob Stoklund Olesen 2011-11-07 21:40:27 +00:00
parent 36db890397
commit d9a8ce3f67
1 changed files with 26 additions and 18 deletions
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44
lib/CodeGen/ExecutionDepsFix.cpp
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@ -149,6 +149,8 @@ private:
bool Merge(DomainValue *A, DomainValue *B);
void enterBasicBlock(MachineBasicBlock*);
void leaveBasicBlock(MachineBasicBlock*);
void visitInstr(MachineInstr*);
void visitGenericInstr(MachineInstr*);
void visitSoftInstr(MachineInstr*, unsigned mask);
void visitHardInstr(MachineInstr*, unsigned domain);
@ -305,6 +307,27 @@ void ExeDepsFix::enterBasicBlock(MachineBasicBlock *MBB) {
}
}
void ExeDepsFix::leaveBasicBlock(MachineBasicBlock *MBB) {
// Save live registers at end of MBB - used by enterBasicBlock().
if (LiveRegs)
LiveOuts.insert(std::make_pair(MBB, LiveRegs));
LiveRegs = 0;
}
void ExeDepsFix::visitInstr(MachineInstr *MI) {
if (MI->isDebugValue())
return;
++Distance;
std::pair<uint16_t, uint16_t> domp = TII->getExecutionDomain(MI);
if (domp.first)
if (domp.second)
visitSoftInstr(MI, domp.second);
else
visitHardInstr(MI, domp.first);
else if (LiveRegs)
visitGenericInstr(MI);
}
// A hard instruction only works in one domain. All input registers will be
// forced into that domain.
void ExeDepsFix::visitHardInstr(MachineInstr *mi, unsigned domain) {
@ -483,24 +506,9 @@ bool ExeDepsFix::runOnMachineFunction(MachineFunction &mf) {
MachineBasicBlock *MBB = *DFI;
enterBasicBlock(MBB);
for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); I != E;
++I) {
MachineInstr *mi = I;
if (mi->isDebugValue()) continue;
++Distance;
std::pair<uint16_t, uint16_t> domp = TII->getExecutionDomain(mi);
if (domp.first)
if (domp.second)
visitSoftInstr(mi, domp.second);
else
visitHardInstr(mi, domp.first);
else if (LiveRegs)
visitGenericInstr(mi);
}
// Save live registers at end of MBB - used by enterBasicBlock().
if (LiveRegs)
LiveOuts.insert(std::make_pair(MBB, LiveRegs));
LiveRegs = 0;
++I)
visitInstr(I);
leaveBasicBlock(MBB);
}
// Clear the LiveOuts vectors. Should we also collapse any remaining