#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
assert(RC->getSize() >= (Offset + Size) && "bad subregister range");
- if (!TM->getSubtargetImpl()->getDataLayout()->isLittleEndian()) {
+ if (!TM->getDataLayout()->isLittleEndian()) {
Offset = RC->getSize() - (Offset + Size);
}
return true;
return nullptr;
}
-bool TargetInstrInfo::
-canFoldMemoryOperand(const MachineInstr *MI,
- const SmallVectorImpl<unsigned> &Ops) const {
+void TargetInstrInfo::getNoopForMachoTarget(MCInst &NopInst) const {
+ llvm_unreachable("Not a MachO target");
+}
+
+bool TargetInstrInfo::canFoldMemoryOperand(const MachineInstr *MI,
+ ArrayRef<unsigned> Ops) const {
return MI->isCopy() && Ops.size() == 1 && canFoldCopy(MI, Ops[0]);
}
-static MachineInstr* foldPatchpoint(MachineFunction &MF,
- MachineInstr *MI,
- const SmallVectorImpl<unsigned> &Ops,
- int FrameIndex,
+static MachineInstr *foldPatchpoint(MachineFunction &MF, MachineInstr *MI,
+ ArrayRef<unsigned> Ops, int FrameIndex,
const TargetInstrInfo &TII) {
unsigned StartIdx = 0;
switch (MI->getOpcode()) {
// Return false if any operands requested for folding are not foldable (not
// part of the stackmap's live values).
- for (SmallVectorImpl<unsigned>::const_iterator I = Ops.begin(), E = Ops.end();
- I != E; ++I) {
- if (*I < StartIdx)
+ for (unsigned Op : Ops) {
+ if (Op < StartIdx)
return nullptr;
}
/// operand folded, otherwise NULL is returned. The client is responsible for
/// removing the old instruction and adding the new one in the instruction
/// stream.
-MachineInstr*
-TargetInstrInfo::foldMemoryOperand(MachineBasicBlock::iterator MI,
- const SmallVectorImpl<unsigned> &Ops,
- int FI) const {
+MachineInstr *TargetInstrInfo::foldMemoryOperand(MachineBasicBlock::iterator MI,
+ ArrayRef<unsigned> Ops,
+ int FI) const {
unsigned Flags = 0;
for (unsigned i = 0, e = Ops.size(); i != e; ++i)
if (MI->getOperand(Ops[i]).isDef())
/// foldMemoryOperand - Same as the previous version except it allows folding
/// of any load and store from / to any address, not just from a specific
/// stack slot.
-MachineInstr*
-TargetInstrInfo::foldMemoryOperand(MachineBasicBlock::iterator MI,
- const SmallVectorImpl<unsigned> &Ops,
- MachineInstr* LoadMI) const {
+MachineInstr *TargetInstrInfo::foldMemoryOperand(MachineBasicBlock::iterator MI,
+ ArrayRef<unsigned> Ops,
+ MachineInstr *LoadMI) const {
assert(LoadMI->canFoldAsLoad() && "LoadMI isn't foldable!");
#ifndef NDEBUG
for (unsigned i = 0, e = Ops.size(); i != e; ++i)
return true;
}
+int TargetInstrInfo::getSPAdjust(const MachineInstr *MI) const {
+ const MachineFunction *MF = MI->getParent()->getParent();
+ const TargetFrameLowering *TFI = MF->getSubtarget().getFrameLowering();
+ bool StackGrowsDown =
+ TFI->getStackGrowthDirection() == TargetFrameLowering::StackGrowsDown;
+
+ int FrameSetupOpcode = getCallFrameSetupOpcode();
+ int FrameDestroyOpcode = getCallFrameDestroyOpcode();
+
+ if (MI->getOpcode() != FrameSetupOpcode &&
+ MI->getOpcode() != FrameDestroyOpcode)
+ return 0;
+
+ int SPAdj = MI->getOperand(0).getImm();
+
+ if ((!StackGrowsDown && MI->getOpcode() == FrameSetupOpcode) ||
+ (StackGrowsDown && MI->getOpcode() == FrameDestroyOpcode))
+ SPAdj = -SPAdj;
+
+ return SPAdj;
+}
+
/// isSchedulingBoundary - Test if the given instruction should be
/// considered a scheduling boundary. This primarily includes labels
/// and terminators.
}
/// Return the default expected latency for a def based on it's opcode.
-unsigned TargetInstrInfo::defaultDefLatency(const MCSchedModel *SchedModel,
+unsigned TargetInstrInfo::defaultDefLatency(const MCSchedModel &SchedModel,
const MachineInstr *DefMI) const {
if (DefMI->isTransient())
return 0;
if (DefMI->mayLoad())
- return SchedModel->LoadLatency;
+ return SchedModel.LoadLatency;
if (isHighLatencyDef(DefMI->getOpcode()))
- return SchedModel->HighLatency;
+ return SchedModel.HighLatency;
return 1;
}