Add some comments explaining what MVT and EVT are, and how they differ.

[oota-llvm.git] / include / llvm / CodeGen / AsmPrinter.h

diff --git a/include/llvm/CodeGen/AsmPrinter.h b/include/llvm/CodeGen/AsmPrinter.h
index 36fb68b52d4985e0b08bd85f93de02d958f0e846..7eef9567a027951e8215ac1155810073ae3cc912 100644 (file)
--- a/include/llvm/CodeGen/AsmPrinter.h
+++ b/include/llvm/CodeGen/AsmPrinter.h
@@ -17,7 +17,7 @@
 #define LLVM_CODEGEN_ASMPRINTER_H
 
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Support/DebugLoc.h"
+#include "llvm/System/DataTypes.h"
 
 namespace llvm {
   class BlockAddress;
@@ -54,6 +54,7 @@ namespace llvm {
   class Mangler;
   class TargetLoweringObjectFile;
   class TargetData;
+  class TargetMachine;
   class Twine;
   class Type;
 
@@ -327,6 +328,12 @@ namespace llvm {
     void EmitLabelOffsetDifference(const MCSymbol *Hi, uint64_t Offset,
                                    const MCSymbol *Lo, unsigned Size) const;
 
+    /// EmitLabelPlusOffset - Emit something like ".long Label+Offset"
+    /// where the size in bytes of the directive is specified by Size and Label
+    /// specifies the label.  This implicitly uses .set if it is available.
+    void EmitLabelPlusOffset(const MCSymbol *Label, uint64_t Offset,
+                                   unsigned Size) const;
+
     //===------------------------------------------------------------------===//
     // Dwarf Emission Helper Routines
     //===------------------------------------------------------------------===//
@@ -369,6 +376,10 @@ namespace llvm {
     /// operands.
     virtual MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
 
+    /// getISAEncoding - Get the value for DW_AT_APPLE_isa. Zero if no isa
+    /// encoding specified.
+    virtual unsigned getISAEncoding() { return 0; }
+
     //===------------------------------------------------------------------===//
     // Dwarf Lowering Routines
     //===------------------------------------------------------------------===//