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Diffstat (limited to 'lib/CodeGen/SelectionDAG/SimpleBBISel.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SimpleBBISel.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SimpleBBISel.cpp b/lib/CodeGen/SelectionDAG/SimpleBBISel.cpp new file mode 100644 index 0000000000..1200cd3b0d --- /dev/null +++ b/lib/CodeGen/SelectionDAG/SimpleBBISel.cpp @@ -0,0 +1,29 @@ +//===-- SimpleBBISel.cpp - Implement the SimpleBBISel class ---------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This implements simple basic block instruction selection. If the given +// BasicBlock is considered "simple", i.e. all operations are supported by +// the target and their types are legal, it does instruction directly from +// LLVM BasicBlock to MachineInstr's. +// +//===----------------------------------------------------------------------===// + +#define DEBUG_TYPE "simple-isel" +#include "SimpleBBISel.h" +#include "llvm/CodeGen/MachineFunction.h" +#include "llvm/CodeGen/MachineInstrBuilder.h" +#include "llvm/CodeGen/SelectionDAG.h" +using namespace llvm; + +/// SelectBasicBlock - Try to convert a LLVM basic block into a +/// MachineBasicBlock using simple instruction selection. Returns false if it +/// is not able to do so. +bool SimpleBBISel::SelectBasicBlock(BasicBlock *BB, MachineBasicBlock *MBB) { + return false; +} |