#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
+namespace llvm {
extern cl::opt<bool> ReuseFrameIndexVals;
+}
+
+using namespace llvm;
Thumb1RegisterInfo::Thumb1RegisterInfo(const ARMBaseInstrInfo &tii,
const ARMSubtarget &sti)
unsigned PredReg) const {
MachineFunction &MF = *MBB.getParent();
MachineConstantPool *ConstantPool = MF.getConstantPool();
- Constant *C = ConstantInt::get(
+ const Constant *C = ConstantInt::get(
Type::getInt32Ty(MBB.getParent()->getFunction()->getContext()), Val);
unsigned Idx = ConstantPool->getConstantPoolIndex(C, 4);
// off the frame pointer (if, for example, there are alloca() calls in
// the function, the offset will be negative. Use R12 instead since that's
// a call clobbered register that we know won't be used in Thumb1 mode.
- DebugLoc DL = DebugLoc::getUnknownLoc();
+ DebugLoc DL;
BuildMI(MBB, I, DL, TII.get(ARM::tMOVtgpr2gpr)).
addReg(ARM::R12, RegState::Define).addReg(Reg, RegState::Kill);
// before that instead and adjust the UseMI.
bool done = false;
for (MachineBasicBlock::iterator II = I; !done && II != UseMI ; ++II) {
+ if (II->isDebugValue())
+ continue;
// If this instruction affects R12, adjust our restore point.
for (unsigned i = 0, e = II->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = II->getOperand(i);
Offset -= AFI->getFramePtrSpillOffset();
}
+ // Special handling of dbg_value instructions.
+ if (MI.isDebugValue()) {
+ MI.getOperand(i). ChangeToRegister(FrameReg, false /*isDef*/);
+ MI.getOperand(i+1).ChangeToImmediate(Offset);
+ return 0;
+ }
+
unsigned Opcode = MI.getOpcode();
const TargetInstrDesc &Desc = MI.getDesc();
unsigned AddrMode = (Desc.TSFlags & ARMII::AddrModeMask);
unsigned VARegSaveSize = AFI->getVarArgsRegSaveSize();
unsigned NumBytes = MFI->getStackSize();
const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
- DebugLoc dl = (MBBI != MBB.end() ?
- MBBI->getDebugLoc() : DebugLoc::getUnknownLoc());
+ DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
// Thumb add/sub sp, imm8 instructions implicitly multiply the offset by 4.
NumBytes = (NumBytes + 3) & ~3;