diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineInstr.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 904f1a6..7f29d31 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -19,6 +19,7 @@ #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/STLExtras.h" @@ -189,11 +190,11 @@ public: /// ---------------- /// | /// ---------------- - /// | MI * | + /// | MI * | /// ---------------- /// | /// ---------------- - /// | MI * | + /// | MI * | /// ---------------- /// In this case, the first MI starts a bundle but is not inside a bundle, the /// next 2 MIs are considered "inside" the bundle. @@ -208,11 +209,11 @@ public: /// ---------------- /// | /// ---------------- - /// | MI * | + /// | MI * | /// ---------------- /// | /// ---------------- - /// | MI * | + /// | MI * | /// ---------------- /// The first instruction has the special opcode "BUNDLE". It's not "inside" /// a bundle, but the next three MIs are. @@ -229,6 +230,10 @@ public: clearFlag(InsideBundle); } + /// isBundled - Return true if this instruction part of a bundle. This is true + /// if either itself or its following instruction is marked "InsideBundle". + bool isBundled() const; + /// getDebugLoc - Returns the debug location id of this MachineInstr. /// DebugLoc getDebugLoc() const { return debugLoc; } @@ -302,9 +307,6 @@ public: /// The first argument is the property being queried. /// The second argument indicates whether the query should look inside /// instruction bundles. - /// If the third argument is true, than the query can return true when *any* - /// of the bundled instructions has the queried property. If it's false, then - /// this can return true iff *all* of the instructions have the property. bool hasProperty(unsigned Flag, QueryType Type = AnyInBundle) const; /// isVariadic - Return true if this instruction can have a variable number of @@ -700,6 +702,7 @@ public: /// that are not dead are skipped. If Overlap is true, then it also looks for /// defs that merely overlap the specified register. If TargetRegisterInfo is /// non-null, then it also checks if there is a def of a super-register. + /// This may also return a register mask operand when Overlap is true. int findRegisterDefOperandIdx(unsigned Reg, bool isDead = false, bool Overlap = false, const TargetRegisterInfo *TRI = NULL) const; @@ -744,7 +747,7 @@ public: /// isRegTiedToUseOperand - Given the index of a register def operand, /// 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 is UseOpIdx is not null. + /// first tied use operand index by reference if UseOpIdx is not null. bool isRegTiedToUseOperand(unsigned DefOpIdx, unsigned *UseOpIdx = 0) const; /// isRegTiedToDefOperand - Return true if the use operand of the specified @@ -776,6 +779,10 @@ public: const TargetRegisterInfo *RegInfo, bool AddIfNotFound = false); + /// clearRegisterKills - Clear all kill flags affecting Reg. If RegInfo is + /// provided, this includes super-register kills. + void clearRegisterKills(unsigned Reg, const TargetRegisterInfo *RegInfo); + /// addRegisterDead - We have determined MI defined a register without a use. /// Look for the operand that defines it and mark it as IsDead. If /// AddIfNotFound is true, add a implicit operand if it's not found. Returns @@ -790,7 +797,10 @@ public: /// setPhysRegsDeadExcept - Mark every physreg used by this instruction as /// dead except those in the UsedRegs list. - void setPhysRegsDeadExcept(const SmallVectorImpl<unsigned> &UsedRegs, + /// + /// On instructions with register mask operands, also add implicit-def + /// operands for all registers in UsedRegs. + void setPhysRegsDeadExcept(ArrayRef<unsigned> UsedRegs, const TargetRegisterInfo &TRI); /// isSafeToMove - Return true if it is safe to move this instruction. If |