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Change UsedPhysRegs from array bool to BitVector to save some space. Setting / getting its states now go through MachineFunction.

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llvm-svn: 36451
This commit is contained in:
Evan Cheng
2007-04-25 22:10:09 +00:00
parent 9b8d17db61
commit d21968d11a
2 changed files with 13 additions and 21 deletions
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4
llvm/lib/CodeGen/MachineFunction.cpp
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@@ -114,11 +114,12 @@ void ilist_traits<MachineBasicBlock>::transferNodesFromList(
MachineFunction::MachineFunction(const Function *F,
const TargetMachine &TM)
: Annotation(MF_AID), Fn(F), Target(TM), UsedPhysRegs(0) {
: Annotation(MF_AID), Fn(F), Target(TM) {
SSARegMapping = new SSARegMap();
MFInfo = 0;
FrameInfo = new MachineFrameInfo();
ConstantPool = new MachineConstantPool(TM.getTargetData());
UsedPhysRegs.resize(TM.getRegisterInfo()->getNumRegs());
// Set up jump table.
const TargetData &TD = *TM.getTargetData();
@@ -138,7 +139,6 @@ MachineFunction::~MachineFunction() {
delete FrameInfo;
delete ConstantPool;
delete JumpTableInfo;
delete[] UsedPhysRegs;
}