forked from OSchip/llvm-project
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
//===-- PTXISelDAGToDAG.cpp - A dag to dag inst selector for PTX ----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines an instruction selector for the PTX target.
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//
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//===----------------------------------------------------------------------===//
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#include "PTX.h"
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#include "PTXTargetMachine.h"
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#include "llvm/CodeGen/SelectionDAGISel.h"
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using namespace llvm;
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namespace {
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// PTXDAGToDAGISel - PTX specific code to select PTX machine
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// instructions for SelectionDAG operations.
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class PTXDAGToDAGISel : public SelectionDAGISel {
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public:
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PTXDAGToDAGISel(PTXTargetMachine &TM, CodeGenOpt::Level OptLevel);
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virtual const char *getPassName() const {
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return "PTX DAG->DAG Pattern Instruction Selection";
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}
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SDNode *Select(SDNode *Node);
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// Include the pieces auto'gened from the target description
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#include "PTXGenDAGISel.inc"
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}; // class PTXDAGToDAGISel
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} // namespace
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// createPTXISelDag - This pass converts a legalized DAG into a
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// PTX-specific DAG, ready for instruction scheduling
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FunctionPass *llvm::createPTXISelDag(PTXTargetMachine &TM,
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CodeGenOpt::Level OptLevel) {
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return new PTXDAGToDAGISel(TM, OptLevel);
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}
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PTXDAGToDAGISel::PTXDAGToDAGISel(PTXTargetMachine &TM,
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CodeGenOpt::Level OptLevel)
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: SelectionDAGISel(TM, OptLevel) {}
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SDNode *PTXDAGToDAGISel::Select(SDNode *Node) {
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// SelectCode() is auto'gened
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return SelectCode(Node);
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}
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