Add virtual printMCInst method to AsmPrinter, as a quick way to expose the API
to print one instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78985 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/AsmPrinter.h b/include/llvm/CodeGen/AsmPrinter.h
index ff5a776..efbcef1 100644
--- a/include/llvm/CodeGen/AsmPrinter.h
+++ b/include/llvm/CodeGen/AsmPrinter.h
@@ -345,6 +345,12 @@
     /// EmitComments - Pretty-print comments for basic blocks
     void EmitComments(const MachineBasicBlock &MBB) const;
 
+    /// printMCInst - Print an MCInst for this target.
+    ///
+    /// Note, this is only a temporary hack to allow the MCStreamer to print
+    /// instructions, do not use this function outside of llvm-mc.
+    virtual void printMCInst(const MCInst *MI);
+
   protected:
     /// EmitZeros - Emit a block of zeros.
     ///
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 6d1c7da..02ff2f0 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1738,6 +1738,10 @@
     O << Offset;
 }
 
+void AsmPrinter::printMCInst(const MCInst *MI) {
+  llvm_unreachable("MCInst printing unavailable on this target!");
+}
+
 GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy *S) {
   if (!S->usesMetadata())
     return 0;
diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
index 7839b74..3d297d6 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
@@ -67,6 +67,8 @@
   // New MCInst printing stuff.
   void printInstruction(const MCInst *MI);
 
+  virtual void printMCInst(const MCInst *MI) { printInstruction(MI); }
+
   void printSymbolOperand(const MachineOperand &MO);
   void printOperand(const MCInst *MI, unsigned OpNo,
                     const char *Modifier = 0);