Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= handling to llvm-mc. Reviewed by Owen Anderson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139237 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 14 insertions, 7 deletions

diff --git a/include/llvm/MC/MCDisassembler.h b/include/llvm/MC/MCDisassembler.h
index adcb882..404b8aa 100644
--- a/include/llvm/MC/MCDisassembler.h
+++ b/include/llvm/MC/MCDisassembler.h
@@ -15,6 +15,7 @@
 namespace llvm {
   
 class MCInst;
+class MCSubtargetInfo;
 class MemoryObject;
 class raw_ostream;
 class MCContext;
@@ -54,7 +55,7 @@ public:
   };
 
   /// Constructor     - Performs initial setup for the disassembler.
-  MCDisassembler() : GetOpInfo(0), DisInfo(0), Ctx(0) {}
+  MCDisassembler(const MCSubtargetInfo &STI) : GetOpInfo(0), DisInfo(0), Ctx(0), STI(STI) {}
   
   virtual ~MCDisassembler();
   
@@ -98,6 +99,9 @@ private:
   // The assembly context for creating symbols and MCExprs in place of
   // immediate operands when there is symbolic information.
   MCContext *Ctx;
+protected:
+  // Subtarget information, for instruction decoding predicates if required.
+  const MCSubtargetInfo &STI;
 
 public:
   void setupForSymbolicDisassembly(LLVMOpInfoCallback getOpInfo,
diff --git a/include/llvm/Support/TargetRegistry.h b/include/llvm/Support/TargetRegistry.h
index 8c07461..45f249d 100644
--- a/include/llvm/Support/TargetRegistry.h
+++ b/include/llvm/Support/TargetRegistry.h
@@ -94,10 +94,12 @@ namespace llvm {
                                                   const MCAsmInfo &MAI);
     typedef MCTargetAsmParser *(*MCAsmParserCtorTy)(MCSubtargetInfo &STI,
                                                     MCAsmParser &P);
-    typedef MCDisassembler *(*MCDisassemblerCtorTy)(const Target &T);
+    typedef MCDisassembler *(*MCDisassemblerCtorTy)(const Target &T,
+                                                    const MCSubtargetInfo &STI);
     typedef MCInstPrinter *(*MCInstPrinterCtorTy)(const Target &T,
                                                   unsigned SyntaxVariant,
-                                                  const MCAsmInfo &MAI);
+                                                  const MCAsmInfo &MAI,
+                                                  const MCSubtargetInfo &STI);
     typedef MCCodeEmitter *(*MCCodeEmitterCtorTy)(const MCInstrInfo &II,
                                                   const MCSubtargetInfo &STI,
                                                   MCContext &Ctx);
@@ -373,17 +375,18 @@ namespace llvm {
       return AsmPrinterCtorFn(TM, Streamer);
     }
 
-    MCDisassembler *createMCDisassembler() const {
+    MCDisassembler *createMCDisassembler(const MCSubtargetInfo &STI) const {
       if (!MCDisassemblerCtorFn)
         return 0;
-      return MCDisassemblerCtorFn(*this);
+      return MCDisassemblerCtorFn(*this, STI);
     }
 
     MCInstPrinter *createMCInstPrinter(unsigned SyntaxVariant,
-                                       const MCAsmInfo &MAI) const {
+                                       const MCAsmInfo &MAI,
+                                       const MCSubtargetInfo &STI) const {
       if (!MCInstPrinterCtorFn)
         return 0;
-      return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI);
+      return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI, STI);
     }