#ifndef LLVM_CODEGEN_MACHINEINSTR_H
#define LLVM_CODEGEN_MACHINEINSTR_H
-#include "llvm/CodeGen/MachineOperand.h"
-#include "llvm/MC/MCInstrDesc.h"
-#include "llvm/Target/TargetOpcodes.h"
#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/ilist.h"
-#include "llvm/ADT/ilist_node.h"
+#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/DenseMapInfo.h"
+#include "llvm/ADT/ilist.h"
+#include "llvm/ADT/ilist_node.h"
+#include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/InlineAsm.h"
+#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/DebugLoc.h"
+#include "llvm/Target/TargetOpcodes.h"
#include <vector>
namespace llvm {
MachineBasicBlock *Parent; // Pointer to the owning basic block.
DebugLoc debugLoc; // Source line information.
- MachineInstr(const MachineInstr&); // DO NOT IMPLEMENT
- void operator=(const MachineInstr&); // DO NOT IMPLEMENT
+ MachineInstr(const MachineInstr&) LLVM_DELETED_FUNCTION;
+ void operator=(const MachineInstr&) LLVM_DELETED_FUNCTION;
// Intrusive list support
friend struct ilist_traits<MachineInstr>;
/// MCID NULL and no operands.
MachineInstr();
- // The next two constructors have DebugLoc and non-DebugLoc versions;
- // over time, the non-DebugLoc versions should be phased out and eventually
- // removed.
-
- /// MachineInstr ctor - This constructor creates a MachineInstr and adds the
- /// implicit operands. It reserves space for the number of operands specified
- /// by the MCInstrDesc. The version with a DebugLoc should be preferred.
- explicit MachineInstr(const MCInstrDesc &MCID, bool NoImp = false);
-
- /// MachineInstr ctor - Work exactly the same as the ctor above, except that
- /// the MachineInstr is created and added to the end of the specified basic
- /// block. The version with a DebugLoc should be preferred.
- MachineInstr(MachineBasicBlock *MBB, const MCInstrDesc &MCID);
-
/// MachineInstr ctor - This constructor create a MachineInstr and add the
/// implicit operands. It reserves space for number of operands specified by
/// MCInstrDesc. An explicit DebugLoc is supplied.
- explicit MachineInstr(const MCInstrDesc &MCID, const DebugLoc dl,
- bool NoImp = false);
+ MachineInstr(const MCInstrDesc &MCID, const DebugLoc dl, bool NoImp = false);
/// MachineInstr ctor - Work exactly the same as the ctor above, except that
/// the MachineInstr is created and added to the end of the specified basic
/// Instructions with this flag set are not necessarily simple load
/// instructions, they may load a value and modify it, for example.
bool mayLoad(QueryType Type = AnyInBundle) const {
+ if (isInlineAsm()) {
+ unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
+ if (ExtraInfo & InlineAsm::Extra_MayLoad)
+ return true;
+ }
return hasProperty(MCID::MayLoad, Type);
}
/// instructions, they may store a modified value based on their operands, or
/// may not actually modify anything, for example.
bool mayStore(QueryType Type = AnyInBundle) const {
+ if (isInlineAsm()) {
+ unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
+ if (ExtraInfo & InlineAsm::Extra_MayStore)
+ return true;
+ }
return hasProperty(MCID::MayStore, Type);
}
bool isImplicitDef() const { return getOpcode()==TargetOpcode::IMPLICIT_DEF; }
bool isInlineAsm() const { return getOpcode() == TargetOpcode::INLINEASM; }
bool isStackAligningInlineAsm() const;
+ InlineAsm::AsmDialect getInlineAsmDialect() const;
bool isInsertSubreg() const {
return getOpcode() == TargetOpcode::INSERT_SUBREG;
}
/// check if the register def is tied to a source operand, due to either
/// two-address elimination or inline assembly constraints. Returns the
/// first tied use operand index by reference if UseOpIdx is not null.
- bool isRegTiedToUseOperand(unsigned DefOpIdx, unsigned *UseOpIdx = 0) const;
+ bool isRegTiedToUseOperand(unsigned DefOpIdx, unsigned *UseOpIdx = 0) const {
+ const MachineOperand &MO = getOperand(DefOpIdx);
+ if (!MO.isReg() || !MO.isDef() || !MO.isTied())
+ return false;
+ if (UseOpIdx)
+ *UseOpIdx = findTiedOperandIdx(DefOpIdx);
+ return true;
+ }
/// isRegTiedToDefOperand - Return true if the use operand of the specified
/// index is tied to an def operand. It also returns the def operand index by
/// reference if DefOpIdx is not null.
- bool isRegTiedToDefOperand(unsigned UseOpIdx, unsigned *DefOpIdx = 0) const;
+ bool isRegTiedToDefOperand(unsigned UseOpIdx, unsigned *DefOpIdx = 0) const {
+ const MachineOperand &MO = getOperand(UseOpIdx);
+ if (!MO.isReg() || !MO.isUse() || !MO.isTied())
+ return false;
+ if (DefOpIdx)
+ *DefOpIdx = findTiedOperandIdx(UseOpIdx);
+ return true;
+ }
/// clearKillInfo - Clears kill flags on all operands.
///
void untieRegOperand(unsigned OpIdx) {
MachineOperand &MO = getOperand(OpIdx);
if (MO.isReg() && MO.isTied()) {
- getOperand(findTiedOperandIdx(OpIdx)).TiedTo = false;
- MO.TiedTo = false;
+ getOperand(findTiedOperandIdx(OpIdx)).TiedTo = 0;
+ MO.TiedTo = 0;
}
}