Deleted commented-out code as we now get namespace directly, add comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15627 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp
index b2c5138140665615b3930c7d80828c4a1f60a906..689465cbf80eac2459299e73a3919bc46a8edc3e 100644 (file)
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -24,15 +24,16 @@ void CodeEmitterGen::run(std::ostream &o) {
   std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
 
   EmitSourceFileHeader("Machine Code Emitter", o);
-
   std::string Namespace = Insts[0]->getValueAsString("Namespace") + "::";
 
-  //const std::string &Namespace = Inst->getValue("Namespace")->getName();
+  // Emit function declaration
   o << "unsigned " << Target.getName() << "CodeEmitter::"
     << "getBinaryCodeForInstr(MachineInstr &MI) {\n"
     << "  unsigned Value = 0;\n"
     << "  DEBUG(std::cerr << MI);\n"
     << "  switch (MI.getOpcode()) {\n";
+
+  // Emit a case statement for each opcode
   for (std::vector<Record*>::iterator I = Insts.begin(), E = Insts.end();
        I != E; ++I) {
     Record *R = *I;