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Diffstat (limited to 'lib/Target/SparcV9/MachineCodeForInstruction.h')
-rw-r--r-- | lib/Target/SparcV9/MachineCodeForInstruction.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/Target/SparcV9/MachineCodeForInstruction.h b/lib/Target/SparcV9/MachineCodeForInstruction.h new file mode 100644 index 0000000000..5d0cdd9133 --- /dev/null +++ b/lib/Target/SparcV9/MachineCodeForInstruction.h @@ -0,0 +1,48 @@ +//===-- llvm/CodeGen/MachineCodeForInstruction.h -----------------*- C++ -*--=// +// +// Representation of the sequence of machine instructions created +// for a single VM instruction. Additionally records information +// about hidden and implicit values used by the machine instructions: +// about hidden values used by the machine instructions: +// +// "Temporary values" are intermediate values used in the machine +// instruction sequence, but not in the VM instruction +// Note that such values should be treated as pure SSA values with +// no interpretation of their operands (i.e., as a TmpInstruction +// object which actually represents such a value). +// +// (2) "Implicit uses" are values used in the VM instruction but not in +// the machine instruction sequence +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CODEGEN_MACHINECODE_FOR_INSTRUCTION_H +#define LLVM_CODEGEN_MACHINECODE_FOR_INSTRUCTION_H + +#include "llvm/Annotation.h" +#include <vector> +class MachineInstr; +class Instruction; +class Value; + +class MachineCodeForInstruction + : public Annotation, public std::vector<MachineInstr*> { + std::vector<Value*> tempVec; // used by m/c instr but not VM instr + +public: + MachineCodeForInstruction(); + ~MachineCodeForInstruction(); + + static MachineCodeForInstruction &get(const Instruction *I); + static void destroy(const Instruction *I); + + const std::vector<Value*> &getTempValues() const { return tempVec; } + std::vector<Value*> &getTempValues() { return tempVec; } + + inline MachineCodeForInstruction &addTemp(Value *tmp) { + tempVec.push_back(tmp); + return *this; + } +}; + +#endif |