#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
{ X86::VMOVUPDYrr, X86::VMOVUPDYmr, TB_FOLDED_STORE },
{ X86::VMOVUPSYrr, X86::VMOVUPSYmr, TB_FOLDED_STORE },
// AVX-512 foldable instructions
- { X86::VMOVPDI2DIZrr,X86::VMOVPDI2DIZmr, TB_FOLDED_STORE }
+ { X86::VMOVPDI2DIZrr, X86::VMOVPDI2DIZmr, TB_FOLDED_STORE },
+ { X86::VMOVAPDZrr, X86::VMOVAPDZmr, TB_FOLDED_STORE | TB_ALIGN_64 },
+ { X86::VMOVAPSZrr, X86::VMOVAPSZmr, TB_FOLDED_STORE | TB_ALIGN_64 },
+ { X86::VMOVDQA32Zrr, X86::VMOVDQA32Zmr, TB_FOLDED_STORE | TB_ALIGN_64 },
+ { X86::VMOVDQA64Zrr, X86::VMOVDQA64Zmr, TB_FOLDED_STORE | TB_ALIGN_64 },
+ { X86::VMOVUPDZrr, X86::VMOVUPDZmr, TB_FOLDED_STORE },
+ { X86::VMOVUPSZrr, X86::VMOVUPSZmr, TB_FOLDED_STORE },
+ { X86::VMOVDQU32Zrr, X86::VMOVDQU32Zmr, TB_FOLDED_STORE },
+ { X86::VMOVDQU64Zrr, X86::VMOVDQU64Zmr, TB_FOLDED_STORE }
};
for (unsigned i = 0, e = array_lengthof(OpTbl0); i != e; ++i) {
// AVX-512 foldable instructions
{ X86::VMOV64toPQIZrr, X86::VMOVQI2PQIZrm, 0 },
{ X86::VMOVDI2SSZrr, X86::VMOVDI2SSZrm, 0 },
- { X86::VMOVDQA32rr, X86::VMOVDQA32rm, TB_ALIGN_64 },
- { X86::VMOVDQA64rr, X86::VMOVDQA64rm, TB_ALIGN_64 },
- { X86::VMOVDQU32rr, X86::VMOVDQU32rm, 0 },
- { X86::VMOVDQU64rr, X86::VMOVDQU64rm, 0 },
+ { X86::VMOVAPDZrr, X86::VMOVAPDZrm, TB_ALIGN_64 },
+ { X86::VMOVAPSZrr, X86::VMOVAPSZrm, TB_ALIGN_64 },
+ { X86::VMOVDQA32Zrr, X86::VMOVDQA32Zrm, TB_ALIGN_64 },
+ { X86::VMOVDQA64Zrr, X86::VMOVDQA64Zrm, TB_ALIGN_64 },
+ { X86::VMOVDQU32Zrr, X86::VMOVDQU32Zrm, 0 },
+ { X86::VMOVDQU64Zrr, X86::VMOVDQU64Zrm, 0 },
+ { X86::VMOVUPDZrr, X86::VMOVUPDZrm, 0 },
+ { X86::VMOVUPSZrr, X86::VMOVUPSZrm, 0 },
{ X86::VPABSDZrr, X86::VPABSDZrm, 0 },
{ X86::VPABSQZrr, X86::VPABSQZrm, 0 },
{ X86::AESIMCrr, X86::AESIMCrm, TB_ALIGN_16 },
{ X86::AESKEYGENASSIST128rr, X86::AESKEYGENASSIST128rm, TB_ALIGN_16 },
{ X86::VAESIMCrr, X86::VAESIMCrm, TB_ALIGN_16 },
- { X86::VAESKEYGENASSIST128rr, X86::VAESKEYGENASSIST128rm, TB_ALIGN_16 },
+ { X86::VAESKEYGENASSIST128rr, X86::VAESKEYGENASSIST128rm, TB_ALIGN_16 }
};
for (unsigned i = 0, e = array_lengthof(OpTbl1); i != e; ++i) {
// Moving EFLAGS to / from another register requires a push and a pop.
// Notice that we have to adjust the stack if we don't want to clobber the
- // first frame index. See X86FrameLowering.cpp - colobbersTheStack.
+ // first frame index. See X86FrameLowering.cpp - clobbersTheStack.
if (SrcReg == X86::EFLAGS) {
if (X86::GR64RegClass.contains(DestReg)) {
BuildMI(MBB, MI, DL, get(X86::PUSHF64));
assert(MF.getFrameInfo()->getObjectSize(FrameIdx) >= RC->getSize() &&
"Stack slot too small for store");
unsigned Alignment = std::max<uint32_t>(RC->getSize(), 16);
- bool isAligned =
- (MF.getTarget().getFrameLowering()->getStackAlignment() >= Alignment) ||
- RI.canRealignStack(MF);
+ bool isAligned = (MF.getTarget()
+ .getSubtargetImpl()
+ ->getFrameLowering()
+ ->getStackAlignment() >= Alignment) ||
+ RI.canRealignStack(MF);
unsigned Opc = getStoreRegOpcode(SrcReg, RC, isAligned, Subtarget);
DebugLoc DL = MBB.findDebugLoc(MI);
addFrameReference(BuildMI(MBB, MI, DL, get(Opc)), FrameIdx)
const TargetRegisterInfo *TRI) const {
const MachineFunction &MF = *MBB.getParent();
unsigned Alignment = std::max<uint32_t>(RC->getSize(), 16);
- bool isAligned =
- (MF.getTarget().getFrameLowering()->getStackAlignment() >= Alignment) ||
- RI.canRealignStack(MF);
+ bool isAligned = (MF.getTarget()
+ .getSubtargetImpl()
+ ->getFrameLowering()
+ ->getStackAlignment() >= Alignment) ||
+ RI.canRealignStack(MF);
unsigned Opc = getLoadRegOpcode(DestReg, RC, isAligned, Subtarget);
DebugLoc DL = MBB.findDebugLoc(MI);
addFrameReference(BuildMI(MBB, MI, DL, get(Opc), DestReg), FrameIdx);
return true;
}
+// LoadStackGuard has so far only been implemented for 64-bit MachO. Different
+// code sequence is needed for other targets.
+static void expandLoadStackGuard(MachineInstrBuilder &MIB,
+ const TargetInstrInfo &TII) {
+ MachineBasicBlock &MBB = *MIB->getParent();
+ DebugLoc DL = MIB->getDebugLoc();
+ unsigned Reg = MIB->getOperand(0).getReg();
+ const GlobalValue *GV =
+ cast<GlobalValue>((*MIB->memoperands_begin())->getValue());
+ unsigned Flag = MachineMemOperand::MOLoad | MachineMemOperand::MOInvariant;
+ MachineMemOperand *MMO = MBB.getParent()->
+ getMachineMemOperand(MachinePointerInfo::getGOT(), Flag, 8, 8);
+ MachineBasicBlock::iterator I = MIB;
+
+ BuildMI(MBB, I, DL, TII.get(X86::MOV64rm), Reg).addReg(X86::RIP).addImm(1)
+ .addReg(0).addGlobalAddress(GV, 0, X86II::MO_GOTPCREL).addReg(0)
+ .addMemOperand(MMO);
+ MIB->setDebugLoc(DL);
+ MIB->setDesc(TII.get(X86::MOV64rm));
+ MIB.addReg(Reg, RegState::Kill).addImm(1).addReg(0).addImm(0).addReg(0);
+}
+
bool X86InstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
bool HasAVX = Subtarget.hasAVX();
MachineInstrBuilder MIB(*MI->getParent()->getParent(), MI);
case X86::KSET0W: return Expand2AddrUndef(MIB, get(X86::KXORWrr));
case X86::KSET1B:
case X86::KSET1W: return Expand2AddrUndef(MIB, get(X86::KXNORWrr));
+ case TargetOpcode::LOAD_STACK_GUARD:
+ expandLoadStackGuard(MIB, *this);
+ return true;
}
return false;
}
// If the function stack isn't realigned we don't want to fold instructions
// that need increased alignment.
if (!RI.needsStackRealignment(MF))
- Alignment = std::min(
- Alignment, MF.getTarget().getFrameLowering()->getStackAlignment());
+ Alignment = std::min(Alignment, MF.getTarget()
+ .getSubtargetImpl()
+ ->getFrameLowering()
+ ->getStackAlignment());
if (Ops.size() == 2 && Ops[0] == 0 && Ops[1] == 1) {
unsigned NewOpc = 0;
unsigned RCSize = 0;
MachineBasicBlock::iterator MBBI = FirstMBB.begin();
DebugLoc DL = FirstMBB.findDebugLoc(MBBI);
MachineRegisterInfo &RegInfo = MF.getRegInfo();
- const X86InstrInfo *TII = TM->getInstrInfo();
+ const X86InstrInfo *TII = TM->getSubtargetImpl()->getInstrInfo();
unsigned PC;
if (TM->getSubtarget<X86Subtarget>().isPICStyleGOT())
const X86TargetMachine *TM =
static_cast<const X86TargetMachine *>(&MF->getTarget());
const bool is64Bit = TM->getSubtarget<X86Subtarget>().is64Bit();
- const X86InstrInfo *TII = TM->getInstrInfo();
+ const X86InstrInfo *TII = TM->getSubtargetImpl()->getInstrInfo();
// Insert a Copy from TLSBaseAddrReg to RAX/EAX.
MachineInstr *Copy = BuildMI(*I->getParent(), I, I->getDebugLoc(),
const X86TargetMachine *TM =
static_cast<const X86TargetMachine *>(&MF->getTarget());
const bool is64Bit = TM->getSubtarget<X86Subtarget>().is64Bit();
- const X86InstrInfo *TII = TM->getInstrInfo();
+ const X86InstrInfo *TII = TM->getSubtargetImpl()->getInstrInfo();
// Create a virtual register for the TLS base address.
MachineRegisterInfo &RegInfo = MF->getRegInfo();
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