6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-27 00:21:03 +00:00
Code Issues Projects Releases Wiki Activity

Extract two methods. No functional change.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144020 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-11-07 21:40:27 +00:00
parent 4cae74bd74
commit 25265d0e7a
1 changed files with 26 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
lib/CodeGen/ExecutionDepsFix.cpp
View File

@@ -149,6 +149,8 @@ private:
bool Merge(DomainValue *A, DomainValue *B); bool Merge(DomainValue *A, DomainValue *B);
void enterBasicBlock(MachineBasicBlock*); void enterBasicBlock(MachineBasicBlock*);
void leaveBasicBlock(MachineBasicBlock*);
void visitInstr(MachineInstr*);
void visitGenericInstr(MachineInstr*); void visitGenericInstr(MachineInstr*);
void visitSoftInstr(MachineInstr*, unsigned mask); void visitSoftInstr(MachineInstr*, unsigned mask);
void visitHardInstr(MachineInstr*, unsigned domain); 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 // A hard instruction only works in one domain. All input registers will be
// forced into that domain. // forced into that domain.
void ExeDepsFix::visitHardInstr(MachineInstr *mi, unsigned domain) { void ExeDepsFix::visitHardInstr(MachineInstr *mi, unsigned domain) {
@@ -483,24 +506,9 @@ bool ExeDepsFix::runOnMachineFunction(MachineFunction &mf) {
MachineBasicBlock *MBB = *DFI; MachineBasicBlock *MBB = *DFI;
enterBasicBlock(MBB); enterBasicBlock(MBB);
for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); I != E; for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); I != E;
++I) { ++I)
MachineInstr *mi = I; visitInstr(I);
if (mi->isDebugValue()) continue; leaveBasicBlock(MBB);
++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;
} }
// Clear the LiveOuts vectors. Should we also collapse any remaining // Clear the LiveOuts vectors. Should we also collapse any remaining