6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-11 11:34:02 +00:00
Code Issues Projects Releases Wiki Activity

Use SmallSet instead of std::set to save allocations.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54810 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2008-08-14 23:41:38 +00:00
parent 0d9deac485
commit bbf5583283
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/LiveVariables.cpp
View File

@ -221,7 +221,7 @@ void LiveVariables::HandlePhysRegUse(unsigned Reg, MachineInstr *MI) {
LastPartialDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,
true/*IsImp*/));
PhysRegDef[Reg] = LastPartialDef;
std::set<unsigned> Processed;
SmallSet<unsigned, 8> Processed;
for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);
unsigned SubReg = *SubRegs; ++SubRegs) {
if (Processed.count(SubReg))
@ -351,7 +351,7 @@ bool LiveVariables::HandlePhysRegKill(unsigned Reg) {
// AX<dead> = AL<imp-def>
// = AL<kill>
// AX =
std::set<unsigned> PartUses;
SmallSet<unsigned, 8> PartUses;
for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);
unsigned SubReg = *SubRegs; ++SubRegs) {
if (MachineInstr *Use = PhysRegUse[SubReg]) {
@ -437,7 +437,7 @@ void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI) {
if (MI) {
// Does this extend the live range of a super-register?
std::set<unsigned> Processed;
SmallSet<unsigned, 8> Processed;
for (const unsigned *SuperRegs = TRI->getSuperRegisters(Reg);
unsigned SuperReg = *SuperRegs; ++SuperRegs) {
if (Processed.count(SuperReg))