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Move two methods out of line, make them work when the record for a machine

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instruction includes physregs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30061 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-09-03 00:05:09 +00:00
parent 1c57be4a40
commit 7a3abdc63c
2 changed files with 42 additions and 28 deletions
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34
include/llvm/CodeGen/LiveVariables.h
View File

@ -242,19 +242,8 @@ public:
/// removeVirtualRegistersKilled - Remove all killed info for the specified
/// instruction.
void removeVirtualRegistersKilled(MachineInstr *MI) {
std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
RegistersKilled.find(MI);
if (I != RegistersKilled.end()) {
std::vector<unsigned> &Regs = I->second;
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
bool removed = getVarInfo(Regs[i]).removeKill(MI);
assert(removed && "kill not in register's VarInfo?");
}
RegistersKilled.erase(I);
}
}
void removeVirtualRegistersKilled(MachineInstr *MI);
/// addVirtualRegisterDead - Add information about the fact that the specified
/// register is dead after being used by the specified instruction.
///
@ -292,21 +281,10 @@ public:
return true;
}
/// removeVirtualRegistersDead - Remove all of the specified dead
/// registers from the live variable information.
void removeVirtualRegistersDead(MachineInstr *MI) {
std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
RegistersDead.find(MI);
if (I != RegistersDead.end()) {
std::vector<unsigned> &Regs = I->second;
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
bool removed = getVarInfo(Regs[i]).removeKill(MI);
assert(removed && "kill not in register's VarInfo?");
}
RegistersDead.erase(I);
}
}
/// removeVirtualRegistersDead - Remove all of the dead registers for the
/// specified instruction from the live variable information.
void removeVirtualRegistersDead(MachineInstr *MI);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}

36
lib/CodeGen/LiveVariables.cpp
View File

@ -415,3 +415,39 @@ void LiveVariables::instructionChanged(MachineInstr *OldMI,
RegistersDead.erase(OldMI);
}
}
/// removeVirtualRegistersKilled - Remove all killed info for the specified
/// instruction.
void LiveVariables::removeVirtualRegistersKilled(MachineInstr *MI) {
std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
RegistersKilled.find(MI);
if (I == RegistersKilled.end()) return;
std::vector<unsigned> &Regs = I->second;
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
if (MRegisterInfo::isVirtualRegister(Regs[i])) {
bool removed = getVarInfo(Regs[i]).removeKill(MI);
assert(removed && "kill not in register's VarInfo?");
}
}
RegistersKilled.erase(I);
}
/// removeVirtualRegistersDead - Remove all of the dead registers for the
/// specified instruction from the live variable information.
void LiveVariables::removeVirtualRegistersDead(MachineInstr *MI) {
std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
RegistersDead.find(MI);
if (I == RegistersDead.end()) return;
std::vector<unsigned> &Regs = I->second;
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
if (MRegisterInfo::isVirtualRegister(Regs[i])) {
bool removed = getVarInfo(Regs[i]).removeKill(MI);
assert(removed && "kill not in register's VarInfo?");
}
}
RegistersDead.erase(I);
}