Completely change the structure of the generated asmprinter to be more table
based and less switch-statements-with-hundreds-of-cases based. This shrinks
the x86 asmprinters to about 1/3 their previous size.
Other improvements coming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29177 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmWriterEmitter.h b/utils/TableGen/AsmWriterEmitter.h
index 155dfc8..c7a9c60 100644
--- a/utils/TableGen/AsmWriterEmitter.h
+++ b/utils/TableGen/AsmWriterEmitter.h
@@ -16,16 +16,35 @@
#define ASMWRITER_EMITTER_H
#include "TableGenBackend.h"
+#include <map>
+#include <vector>
+#include <cassert>
namespace llvm {
-
+ class AsmWriterInst;
+ class CodeGenInstruction;
+
class AsmWriterEmitter : public TableGenBackend {
RecordKeeper &Records;
+ std::map<const CodeGenInstruction*, AsmWriterInst*> CGIAWIMap;
+ std::vector<const CodeGenInstruction*> NumberedInstructions;
public:
AsmWriterEmitter(RecordKeeper &R) : Records(R) {}
// run - Output the asmwriter, returning true on failure.
void run(std::ostream &o);
+
+private:
+ AsmWriterInst *getAsmWriterInstByID(unsigned ID) const {
+ assert(ID < NumberedInstructions.size());
+ std::map<const CodeGenInstruction*, AsmWriterInst*>::const_iterator I =
+ CGIAWIMap.find(NumberedInstructions[ID]);
+ assert(I != CGIAWIMap.end() && "Didn't find inst!");
+ return I->second;
+ }
+ void FindUniqueOperandCommands(std::vector<std::string> &UOC,
+ std::vector<unsigned> &InstIdxs,
+ unsigned Op) const;
};
}
#endif