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Add a new field to TargetInstrDescriptor for tracking information about

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operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22908 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-08-19 16:56:26 +00:00
parent 23c73a1823
commit ae72f4a642
1 changed files with 15 additions and 0 deletions
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15
include/llvm/Target/TargetInstrInfo.h
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@@ -29,6 +29,7 @@ class Instruction;
class Constant; class Constant;
class Function; class Function;
class MachineCodeForInstruction; class MachineCodeForInstruction;
class TargetRegisterClass;
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// Data types used to define information about a single machine instruction // Data types used to define information about a single machine instruction
@@ -72,6 +73,19 @@ const unsigned M_COMMUTABLE = 1 << 11;
// before control flow occurs. // before control flow occurs.
const unsigned M_TERMINATOR_FLAG = 1 << 12; const unsigned M_TERMINATOR_FLAG = 1 << 12;
/// TargetOperandInfo - This holds information about one operand of a machine
/// instruction, indicating the register class for register operands, etc.
///
class TargetOperandInfo {
public:
/// RegClass - This specifies the register class of the operand if the
/// operand is a register. If not, this contains null.
const TargetRegisterClass *RegClass;
/// Currently no other information.
};
class TargetInstrDescriptor { class TargetInstrDescriptor {
public: public:
const char * Name; // Assembly language mnemonic for the opcode. const char * Name; // Assembly language mnemonic for the opcode.
@@ -87,6 +101,7 @@ public:
unsigned TSFlags; // Target Specific Flag values unsigned TSFlags; // Target Specific Flag values
const unsigned *ImplicitUses; // Registers implicitly read by this instr const unsigned *ImplicitUses; // Registers implicitly read by this instr
const unsigned *ImplicitDefs; // Registers implicitly defined by this instr const unsigned *ImplicitDefs; // Registers implicitly defined by this instr
const TargetOperandInfo *OpInfo; // 'numOperands' entries about operands.
}; };