//
//===----------------------------------------------------------------------===//
-#ifndef X86INSTRBUILDER_H
-#define X86INSTRBUILDER_H
+#ifndef LLVM_LIB_TARGET_X86_X86INSTRBUILDER_H
+#define LLVM_LIB_TARGET_X86_X86INSTRBUILDER_H
+#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
namespace llvm {
unsigned Scale;
unsigned IndexReg;
- unsigned Disp;
- GlobalValue *GV;
+ int Disp;
+ const GlobalValue *GV;
+ unsigned GVOpFlags;
- X86AddressMode() : BaseType(RegBase), Scale(1), IndexReg(0), Disp(0), GV(0) {
+ X86AddressMode()
+ : BaseType(RegBase), Scale(1), IndexReg(0), Disp(0), GV(nullptr),
+ GVOpFlags(0) {
Base.Reg = 0;
}
+
+
+ void getFullAddress(SmallVectorImpl<MachineOperand> &MO) {
+ assert(Scale == 1 || Scale == 2 || Scale == 4 || Scale == 8);
+
+ if (BaseType == X86AddressMode::RegBase)
+ MO.push_back(MachineOperand::CreateReg(Base.Reg, false, false,
+ false, false, false, 0, false));
+ else {
+ assert(BaseType == X86AddressMode::FrameIndexBase);
+ MO.push_back(MachineOperand::CreateFI(Base.FrameIndex));
+ }
+
+ MO.push_back(MachineOperand::CreateImm(Scale));
+ MO.push_back(MachineOperand::CreateReg(IndexReg, false, false,
+ false, false, false, 0, false));
+
+ if (GV)
+ MO.push_back(MachineOperand::CreateGA(GV, Disp, GVOpFlags));
+ else
+ MO.push_back(MachineOperand::CreateImm(Disp));
+
+ MO.push_back(MachineOperand::CreateReg(0, false, false,
+ false, false, false, 0, false));
+ }
};
/// addDirectMem - This function is used to add a direct memory reference to the
/// current instruction -- that is, a dereference of an address in a register,
/// with no scale, index or displacement. An example is: DWORD PTR [EAX].
///
-inline const MachineInstrBuilder &addDirectMem(const MachineInstrBuilder &MIB,
- unsigned Reg) {
- // Because memory references are always represented with four
- // values, this adds: Reg, [1, NoReg, 0] to the instruction.
- return MIB.addReg(Reg).addImm(1).addReg(0).addImm(0);
+static inline const MachineInstrBuilder &
+addDirectMem(const MachineInstrBuilder &MIB, unsigned Reg) {
+ // Because memory references are always represented with five
+ // values, this adds: Reg, 1, NoReg, 0, NoReg to the instruction.
+ return MIB.addReg(Reg).addImm(1).addReg(0).addImm(0).addReg(0);
}
+static inline const MachineInstrBuilder &
+addOffset(const MachineInstrBuilder &MIB, int Offset) {
+ return MIB.addImm(1).addReg(0).addImm(Offset).addReg(0);
+}
+
/// addRegOffset - This function is used to add a memory reference of the form
/// [Reg + Offset], i.e., one with no scale or index, but with a
/// displacement. An example is: DWORD PTR [EAX + 4].
///
-inline const MachineInstrBuilder &addRegOffset(const MachineInstrBuilder &MIB,
- unsigned Reg, int Offset) {
- return MIB.addReg(Reg).addImm(1).addReg(0).addImm(Offset);
+static inline const MachineInstrBuilder &
+addRegOffset(const MachineInstrBuilder &MIB,
+ unsigned Reg, bool isKill, int Offset) {
+ return addOffset(MIB.addReg(Reg, getKillRegState(isKill)), Offset);
}
/// addRegReg - This function is used to add a memory reference of the form:
/// [Reg + Reg].
-inline const MachineInstrBuilder &addRegReg(const MachineInstrBuilder &MIB,
- unsigned Reg1, unsigned Reg2) {
- return MIB.addReg(Reg1).addImm(1).addReg(Reg2).addImm(0);
+static inline const MachineInstrBuilder &addRegReg(const MachineInstrBuilder &MIB,
+ unsigned Reg1, bool isKill1,
+ unsigned Reg2, bool isKill2) {
+ return MIB.addReg(Reg1, getKillRegState(isKill1)).addImm(1)
+ .addReg(Reg2, getKillRegState(isKill2)).addImm(0).addReg(0);
}
-inline const MachineInstrBuilder &addFullAddress(const MachineInstrBuilder &MIB,
- const X86AddressMode &AM) {
- assert (AM.Scale == 1 || AM.Scale == 2 || AM.Scale == 4 || AM.Scale == 8);
+static inline const MachineInstrBuilder &
+addFullAddress(const MachineInstrBuilder &MIB,
+ const X86AddressMode &AM) {
+ assert(AM.Scale == 1 || AM.Scale == 2 || AM.Scale == 4 || AM.Scale == 8);
if (AM.BaseType == X86AddressMode::RegBase)
MIB.addReg(AM.Base.Reg);
- else if (AM.BaseType == X86AddressMode::FrameIndexBase)
+ else {
+ assert(AM.BaseType == X86AddressMode::FrameIndexBase);
MIB.addFrameIndex(AM.Base.FrameIndex);
- else
- assert (0);
+ }
+
MIB.addImm(AM.Scale).addReg(AM.IndexReg);
if (AM.GV)
- return MIB.addGlobalAddress(AM.GV, AM.Disp);
+ MIB.addGlobalAddress(AM.GV, AM.Disp, AM.GVOpFlags);
else
- return MIB.addImm(AM.Disp);
+ MIB.addImm(AM.Disp);
+
+ return MIB.addReg(0);
}
/// addFrameReference - This function is used to add a reference to the base of
/// reference has base register as the FrameIndex offset until it is resolved.
/// This allows a constant offset to be specified as well...
///
-inline const MachineInstrBuilder &
+static inline const MachineInstrBuilder &
addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) {
- return MIB.addFrameIndex(FI).addImm(1).addReg(0).addImm(Offset);
+ MachineInstr *MI = MIB;
+ MachineFunction &MF = *MI->getParent()->getParent();
+ MachineFrameInfo &MFI = *MF.getFrameInfo();
+ const MCInstrDesc &MCID = MI->getDesc();
+ unsigned Flags = 0;
+ if (MCID.mayLoad())
+ Flags |= MachineMemOperand::MOLoad;
+ if (MCID.mayStore())
+ Flags |= MachineMemOperand::MOStore;
+ MachineMemOperand *MMO = MF.getMachineMemOperand(
+ MachinePointerInfo::getFixedStack(MF, FI, Offset), Flags,
+ MFI.getObjectSize(FI), MFI.getObjectAlignment(FI));
+ return addOffset(MIB.addFrameIndex(FI), Offset)
+ .addMemOperand(MMO);
}
/// addConstantPoolReference - This function is used to add a reference to the
/// base of a constant value spilled to the per-function constant pool. The
-/// reference has base register ConstantPoolIndex offset which is retained until
-/// either machine code emission or assembly output. This allows an optional
-/// offset to be added as well.
+/// reference uses the abstract ConstantPoolIndex which is retained until
+/// either machine code emission or assembly output. In PIC mode on x86-32,
+/// the GlobalBaseReg parameter can be used to make this a
+/// GlobalBaseReg-relative reference.
///
-inline const MachineInstrBuilder &
+static inline const MachineInstrBuilder &
addConstantPoolReference(const MachineInstrBuilder &MIB, unsigned CPI,
- int Offset = 0) {
- return MIB.addConstantPoolIndex(CPI).addImm(1).addReg(0).addImm(Offset);
+ unsigned GlobalBaseReg, unsigned char OpFlags) {
+ //FIXME: factor this
+ return MIB.addReg(GlobalBaseReg).addImm(1).addReg(0)
+ .addConstantPoolIndex(CPI, 0, OpFlags).addReg(0);
}
} // End llvm namespace
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