parent
bbd68ada1a
commit
27ccb70df6
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@ -3,6 +3,7 @@
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineInstr.h"
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#include "llvm/CodeGen/MachineBasicBlock.h"
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#include "llvm/Value.h"
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#include "llvm/Target/MachineInstrInfo.h" // FIXME: shouldn't need this!
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using std::cerr;
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@ -33,6 +34,11 @@ MachineInstr::MachineInstr(MachineOpCode OpCode, unsigned numOperands)
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{
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}
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/// MachineInstr ctor - This constructor only does a _reserve_ of the operands,
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/// not a resize for them. It is expected that if you use this that you call
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/// add* methods below to fill up the operands, instead of the Set methods.
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/// Eventually, the "resizing" ctors will be phased out.
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///
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MachineInstr::MachineInstr(MachineOpCode Opcode, unsigned numOperands,
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bool XX, bool YY)
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: opCode(Opcode),
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@ -41,6 +47,20 @@ MachineInstr::MachineInstr(MachineOpCode Opcode, unsigned numOperands,
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operands.reserve(numOperands);
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}
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/// MachineInstr ctor - Work exactly the same as the ctor above, except that the
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/// MachineInstr is created and added to the end of the specified basic block.
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///
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MachineInstr::MachineInstr(MachineBasicBlock *MBB, MachineOpCode Opcode,
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unsigned numOperands)
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: opCode(Opcode),
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numImplicitRefs(0)
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{
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assert(MBB && "Cannot use inserting ctor with null basic block!");
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operands.reserve(numOperands);
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MBB->push_back(this); // Add instruction to end of basic block!
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}
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// OperandComplete - Return true if it's illegal to add a new operand
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bool MachineInstr::OperandsComplete() const
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{
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