6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-23 16:19:52 +00:00
Code Issues Projects Releases Wiki Activity

adjust to new live variables interface

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22992 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-08-23 23:42:17 +00:00
parent d177579860
commit 44b94c2185
3 changed files with 32 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
lib/CodeGen/LiveVariables.cpp
View File

@@ -125,9 +125,9 @@ void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI) {
// Does this kill a previous version of this register?
if (MachineInstr *LastUse = PhysRegInfo[Reg]) {
if (PhysRegUsed[Reg])
RegistersKilled.insert(std::make_pair(LastUse, Reg));
RegistersKilled[LastUse].push_back(Reg);
else
RegistersDead.insert(std::make_pair(LastUse, Reg));
RegistersDead[LastUse].push_back(Reg);
}
PhysRegInfo[Reg] = MI;
PhysRegUsed[Reg] = false;
@@ -136,9 +136,9 @@ void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI) {
unsigned Alias = *AliasSet; ++AliasSet) {
if (MachineInstr *LastUse = PhysRegInfo[Alias]) {
if (PhysRegUsed[Alias])
RegistersKilled.insert(std::make_pair(LastUse, Alias));
RegistersKilled[LastUse].push_back(Alias);
else
RegistersDead.insert(std::make_pair(LastUse, Alias));
RegistersDead[LastUse].push_back(Alias);
}
PhysRegInfo[Alias] = MI;
PhysRegUsed[Alias] = false;
@@ -293,12 +293,12 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) {
for (unsigned i = 0, e = VirtRegInfo.size(); i != e; ++i)
for (unsigned j = 0, e = VirtRegInfo[i].Kills.size(); j != e; ++j) {
if (VirtRegInfo[i].Kills[j] == VirtRegInfo[i].DefInst)
RegistersDead.insert(std::make_pair(VirtRegInfo[i].Kills[j],
i + MRegisterInfo::FirstVirtualRegister));
RegistersDead[VirtRegInfo[i].Kills[j]].push_back(
i + MRegisterInfo::FirstVirtualRegister);
else
RegistersKilled.insert(std::make_pair(VirtRegInfo[i].Kills[j],
i + MRegisterInfo::FirstVirtualRegister));
RegistersKilled[VirtRegInfo[i].Kills[j]].push_back(
i + MRegisterInfo::FirstVirtualRegister);
}
// Check to make sure there are no unreachable blocks in the MC CFG for the
@@ -342,21 +342,23 @@ void LiveVariables::instructionChanged(MachineInstr *OldMI,
// Move the killed information over...
killed_iterator I, E;
tie(I, E) = killed_range(OldMI);
std::vector<unsigned> Regs;
for (killed_iterator A = I; A != E; ++A)
Regs.push_back(A->second);
RegistersKilled.erase(I, E);
for (unsigned i = 0, e = Regs.size(); i != e; ++i)
RegistersKilled.insert(std::make_pair(NewMI, Regs[i]));
Regs.clear();
if (I != E) {
std::vector<unsigned> &V = RegistersKilled[NewMI];
bool WasEmpty = V.empty();
V.insert(V.end(), I, E);
if (!WasEmpty)
std::sort(V.begin(), V.end()); // Keep the reg list sorted.
RegistersKilled.erase(OldMI);
}
// Move the dead information over...
tie(I, E) = dead_range(OldMI);
for (killed_iterator A = I; A != E; ++A)
Regs.push_back(A->second);
RegistersDead.erase(I, E);
for (unsigned i = 0, e = Regs.size(); i != e; ++i)
RegistersDead.insert(std::make_pair(NewMI, Regs[i]));
if (I != E) {
std::vector<unsigned> &V = RegistersDead[NewMI];
bool WasEmpty = V.empty();
V.insert(V.end(), I, E);
if (!WasEmpty)
std::sort(V.begin(), V.end()); // Keep the reg list sorted.
RegistersDead.erase(OldMI);
}
}