Add the skeleton of an asm parser for mips.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147923 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
new file mode 100644
index 0000000000..58b5590257
--- /dev/null
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -0,0 +1,66 @@
+//===-- MipsAsmParser.cpp - Parse Mips assembly to MCInst instructions ----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MCTargetDesc/MipsMCTargetDesc.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
+#include "llvm/MC/MCTargetAsmParser.h"
+#include "llvm/Support/TargetRegistry.h"
+
+using namespace llvm;
+
+namespace {
+class MipsAsmParser : public MCTargetAsmParser {
+  bool MatchAndEmitInstruction(SMLoc IDLoc,
+                               SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+                               MCStreamer &Out);
+
+  bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
+
+  bool ParseInstruction(StringRef Name, SMLoc NameLoc,
+                                SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+
+  bool ParseDirective(AsmToken DirectiveID);
+
+public:
+  MipsAsmParser(MCSubtargetInfo &sti, MCAsmParser &parser)
+    : MCTargetAsmParser() {
+  }
+
+};
+}
+
+bool MipsAsmParser::
+MatchAndEmitInstruction(SMLoc IDLoc,
+                        SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+                        MCStreamer &Out) {
+  return true;
+}
+
+bool MipsAsmParser::
+ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) {
+  return true;
+}
+
+bool MipsAsmParser::
+ParseInstruction(StringRef Name, SMLoc NameLoc,
+                 SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+  return true;
+}
+
+bool MipsAsmParser::
+ParseDirective(AsmToken DirectiveID) {
+  return true;
+}
+
+extern "C" void LLVMInitializeMipsAsmParser() {
+  RegisterMCAsmParser<MipsAsmParser> X(TheMipsTarget);
+  RegisterMCAsmParser<MipsAsmParser> Y(TheMipselTarget);
+  RegisterMCAsmParser<MipsAsmParser> A(TheMips64Target);
+  RegisterMCAsmParser<MipsAsmParser> B(TheMips64elTarget);
+}