forked from OSchip/llvm-project
Allow instructions to have a DAG pattern associated with them.
Define a few preliminary node types. llvm-svn: 7579
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@ -103,6 +103,10 @@ class Instruction {
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bit isCall = 0; // Is this instruction a call instruction?
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bit isTwoAddress = 0; // Is this a two address instruction?
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bit isTerminator = 0; // Is this part of the terminator for a basic block?
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// Pattern - Set to the DAG pattern for this instruction, if we know of one,
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// otherwise, uninitialized.
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dag Pattern;
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}
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// InstrInfo - This class should only be instantiated once to provide parameters
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@ -135,3 +139,19 @@ class Target {
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// InstructionSet - Instruction set description for this target
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InstrInfo InstructionSet;
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}
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//===----------------------------------------------------------------------===//
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// DAG node definitions used by the instruction selector...
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//
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def set; // FIXME: these are subject to substantial change
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def plus;
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def minus;
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def mult;
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def div;
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def udiv;
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def mod;
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def umod;
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def imm8;
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def imm16;
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def imm32;
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