maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Use BitVector instead. No functionality change. 

llvm-svn: 34460
This commit is contained in:
Evan Cheng 2007-02-21 02:22:03 +00:00
parent 74cf82e522
commit de037a821a
1 changed files with 5 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
llvm/lib/CodeGen/VirtRegMap.cpp
View File

@ -27,6 +27,7 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Compiler.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallSet.h"
@ -423,14 +424,10 @@ namespace {
class VISIBILITY_HIDDEN ReuseInfo {
MachineInstr &MI;
std::vector<ReusedOp> Reuses;
bool *PhysRegsClobbered;
BitVector PhysRegsClobbered;
public:
ReuseInfo(MachineInstr &mi, const MRegisterInfo *mri) : MI(mi) {
PhysRegsClobbered = new bool[mri->getNumRegs()];
std::fill(PhysRegsClobbered, PhysRegsClobbered+mri->getNumRegs(), false);
}
~ReuseInfo() {
delete[] PhysRegsClobbered;
PhysRegsClobbered.resize(mri->getNumRegs());
}
bool hasReuses() const {
@ -452,11 +449,11 @@ namespace {
}
void markClobbered(unsigned PhysReg) {
PhysRegsClobbered[PhysReg] = true;
PhysRegsClobbered.set(PhysReg);
}
bool isClobbered(unsigned PhysReg) const {
return PhysRegsClobbered[PhysReg];
return PhysRegsClobbered.test(PhysReg);
}
/// GetRegForReload - We are about to emit a reload into PhysReg. If there