Switch from std::vector<bool> to BitVector.

llvm-svn: 34781
This commit is contained in:
Evan Cheng 2007-03-01 07:52:44 +00:00
parent 983e3b37de
commit 677bb3b460
1 changed files with 32 additions and 12 deletions

View File

@ -17,6 +17,7 @@
#include "ARMSubtarget.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/ADT/BitVector.h"
namespace llvm {
@ -41,7 +42,7 @@ class ARMFunctionInfo : public MachineFunctionInfo {
bool LRForceSpilled;
/// R3IsLiveIn - True if R3 is live in to this function.
///
/// FIXME: Remove when register scavenger for Thumb is done.
bool R3IsLiveIn;
/// FramePtrSpillOffset - If HasStackFrame, this records the frame pointer
@ -68,9 +69,9 @@ class ARMFunctionInfo : public MachineFunctionInfo {
/// GPRCS1Frames, GPRCS2Frames, DPRCSFrames - Keeps track of frame indices
/// which belong to these spill areas.
std::vector<bool> GPRCS1Frames;
std::vector<bool> GPRCS2Frames;
std::vector<bool> DPRCSFrames;
BitVector GPRCS1Frames;
BitVector GPRCS2Frames;
BitVector DPRCSFrames;
/// JumpTableUId - Unique id for jumptables.
///
@ -82,14 +83,18 @@ public:
VarArgsRegSaveSize(0), HasStackFrame(false),
LRForceSpilled(false), R3IsLiveIn(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0), JumpTableUId(0) {}
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
GPRCS1Frames(32), GPRCS2Frames(32), DPRCSFrames(32),
JumpTableUId(0) {}
ARMFunctionInfo(MachineFunction &MF) :
isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()),
VarArgsRegSaveSize(0), HasStackFrame(false),
LRForceSpilled(false), R3IsLiveIn(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0), JumpTableUId(0) {}
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
GPRCS1Frames(32), GPRCS2Frames(32), DPRCSFrames(32),
JumpTableUId(0) {}
bool isThumbFunction() const { return isThumb; }
@ -142,22 +147,37 @@ public:
void addGPRCalleeSavedArea1Frame(int fi) {
if (fi >= 0) {
if (fi >= (int)GPRCS1Frames.size())
GPRCS1Frames.resize(fi+1);
int Size = GPRCS1Frames.size();
if (fi >= Size) {
Size *= 2;
if (fi >= Size)
Size = fi+1;
GPRCS1Frames.resize(Size);
}
GPRCS1Frames[fi] = true;
}
}
void addGPRCalleeSavedArea2Frame(int fi) {
if (fi >= 0) {
if (fi >= (int)GPRCS2Frames.size())
GPRCS2Frames.resize(fi+1);
int Size = GPRCS2Frames.size();
if (fi >= Size) {
Size *= 2;
if (fi >= Size)
Size = fi+1;
GPRCS2Frames.resize(Size);
}
GPRCS2Frames[fi] = true;
}
}
void addDPRCalleeSavedAreaFrame(int fi) {
if (fi >= 0) {
if (fi >= (int)DPRCSFrames.size())
DPRCSFrames.resize(fi+1);
int Size = DPRCSFrames.size();
if (fi >= Size) {
Size *= 2;
if (fi >= Size)
Size = fi+1;
DPRCSFrames.resize(Size);
}
DPRCSFrames[fi] = true;
}
}