mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-01 04:29:57 +00:00
Patch by Che-Liang Chiou <clchiou@gmail.com>! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114294 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
//===-- PTXISelDAGToDAG.cpp - A dag to dag inst selector for PTX ----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines an instruction selector for the PTX target.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "PTX.h"
|
|
#include "PTXTargetMachine.h"
|
|
#include "llvm/CodeGen/SelectionDAGISel.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
// PTXDAGToDAGISel - PTX specific code to select PTX machine
|
|
// instructions for SelectionDAG operations.
|
|
class PTXDAGToDAGISel : public SelectionDAGISel {
|
|
public:
|
|
PTXDAGToDAGISel(PTXTargetMachine &TM, CodeGenOpt::Level OptLevel);
|
|
|
|
virtual const char *getPassName() const {
|
|
return "PTX DAG->DAG Pattern Instruction Selection";
|
|
}
|
|
|
|
SDNode *Select(SDNode *Node);
|
|
|
|
// Include the pieces auto'gened from the target description
|
|
#include "PTXGenDAGISel.inc"
|
|
|
|
}; // class PTXDAGToDAGISel
|
|
} // namespace
|
|
|
|
// createPTXISelDag - This pass converts a legalized DAG into a
|
|
// PTX-specific DAG, ready for instruction scheduling
|
|
FunctionPass *llvm::createPTXISelDag(PTXTargetMachine &TM,
|
|
CodeGenOpt::Level OptLevel) {
|
|
return new PTXDAGToDAGISel(TM, OptLevel);
|
|
}
|
|
|
|
PTXDAGToDAGISel::PTXDAGToDAGISel(PTXTargetMachine &TM,
|
|
CodeGenOpt::Level OptLevel)
|
|
: SelectionDAGISel(TM, OptLevel) {}
|
|
|
|
SDNode *PTXDAGToDAGISel::Select(SDNode *Node) {
|
|
// SelectCode() is auto'gened
|
|
return SelectCode(Node);
|
|
}
|