Some code cleanups from Chris

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11724 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos 2004-02-23 01:57:39 +00:00
parent 534f545ef1
commit 25d9d5800c

View File

@ -18,12 +18,10 @@
#define LLVM_CODEGEN_PHYSREGTRACKER_H
#include "llvm/CodeGen/MachineFunction.h"
#include <vector>
namespace llvm {
class PhysRegTracker {
private:
const MRegisterInfo* mri_;
std::vector<unsigned> regUse_;
@ -50,10 +48,8 @@ namespace llvm {
assert(MRegisterInfo::isPhysicalRegister(physReg) &&
"should be physical register!");
++regUse_[physReg];
for (const unsigned* as = mri_->getAliasSet(physReg); *as; ++as) {
physReg = *as;
++regUse_[physReg];
}
for (const unsigned* as = mri_->getAliasSet(physReg); *as; ++as)
++regUse_[*as];
}
void delRegUse(unsigned physReg) {
@ -62,9 +58,8 @@ namespace llvm {
assert(regUse_[physReg] != 0);
--regUse_[physReg];
for (const unsigned* as = mri_->getAliasSet(physReg); *as; ++as) {
physReg = *as;
assert(regUse_[physReg] != 0);
--regUse_[physReg];
assert(regUse_[*as] != 0);
--regUse_[*as];
}
}