//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "reg-scavenging"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
+#define DEBUG_TYPE "reg-scavenging"
+
/// setUsed - Set the register and its sub-registers as being used.
void RegScavenger::setUsed(unsigned Reg) {
for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);
for (SmallVectorImpl<ScavengedInfo>::iterator I = Scavenged.begin(),
IE = Scavenged.end(); I != IE; ++I) {
I->Reg = 0;
- I->Restore = NULL;
+ I->Restore = nullptr;
}
// All registers started out unused.
// Create callee-saved registers bitvector.
CalleeSavedRegs.resize(NumPhysRegs);
- const uint16_t *CSRegs = TRI->getCalleeSavedRegs(&MF);
- if (CSRegs != NULL)
+ const MCPhysReg *CSRegs = TRI->getCalleeSavedRegs(&MF);
+ if (CSRegs != nullptr)
for (unsigned i = 0; CSRegs[i]; ++i)
CalleeSavedRegs.set(CSRegs[i]);
}
}
if (MBBI == MBB->begin()) {
- MBBI = MachineBasicBlock::iterator(NULL);
+ MBBI = MachineBasicBlock::iterator(nullptr);
Tracking = false;
} else
--MBBI;
continue;
I->Reg = 0;
- I->Restore = NULL;
+ I->Restore = nullptr;
}
if (MI->isDebugValue())
break;
}
if (!SubUsed) {
- MBB->getParent()->verify(NULL, "In Register Scavenger");
+ MBB->getParent()->verify(nullptr, "In Register Scavenger");
llvm_unreachable("Using an undefined register!");
}
(void)SubUsed;