Long double, part 1 of N. Support in IR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40774 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Bitcode/LLVMBitCodes.h

@@ -81,7 +81,14 @@ namespace bitc {
     TYPE_CODE_FUNCTION =  9,   // FUNCTION: [vararg, retty, paramty x N]
     TYPE_CODE_STRUCT   = 10,   // STRUCT: [ispacked, eltty x N]
     TYPE_CODE_ARRAY    = 11,   // ARRAY: [numelts, eltty]
-    TYPE_CODE_VECTOR   = 12    // VECTOR: [numelts, eltty]
+    TYPE_CODE_VECTOR   = 12,   // VECTOR: [numelts, eltty]
+
+    // These are not with the other floating point types because they're
+    // a late addition, and putting them in the right place breaks
+    // binary compatibility.
+    TYPE_CODE_X86_FP80 = 13,   // X86 LONG DOUBLE
+    TYPE_CODE_FP128    = 14,   // LONG DOUBLE (112 bit mantissa)
+    TYPE_CODE_PPC_FP128= 15    // PPC LONG DOUBLE (2 doubles)
     // Any other type code is assumed to be an unknown type.
   };
 

include/llvm/Type.h

@@ -70,18 +70,21 @@ class Type : public AbstractTypeUser {
     VoidTyID = 0,    ///<  0: type with no size
     FloatTyID,       ///<  1: 32 bit floating point type
     DoubleTyID,      ///<  2: 64 bit floating point type
-    LabelTyID,       ///<  3: Labels
+    X86_FP80TyID,    ///<  3: 80 bit floating point type (X87)
+    FP128TyID,       ///<  4: 128 bit floating point type (112-bit mantissa)
+    PPC_FP128TyID,   ///<  5: 128 bit floating point type (two 64-bits)
+    LabelTyID,       ///<  6: Labels
 
     // Derived types... see DerivedTypes.h file...
     // Make sure FirstDerivedTyID stays up to date!!!
-    IntegerTyID,     ///<  4: Arbitrary bit width integers
-    FunctionTyID,    ///<  5: Functions
-    StructTyID,      ///<  6: Structures
-    PackedStructTyID,///<  7: Packed Structure. This is for bitcode only
-    ArrayTyID,       ///<  8: Arrays
-    PointerTyID,     ///<  9: Pointers
-    OpaqueTyID,      ///< 10: Opaque: type with unknown structure
-    VectorTyID,      ///< 11: SIMD 'packed' format, or other vector type
+    IntegerTyID,     ///<  7: Arbitrary bit width integers
+    FunctionTyID,    ///<  8: Functions
+    StructTyID,      ///<  9: Structures
+    PackedStructTyID,///< 10: Packed Structure. This is for bitcode only
+    ArrayTyID,       ///< 11: Arrays
+    PointerTyID,     ///< 12: Pointers
+    OpaqueTyID,      ///< 13: Opaque: type with unknown structure
+    VectorTyID,      ///< 14: SIMD 'packed' format, or other vector type
 
     NumTypeIDs,                         // Must remain as last defined ID
     LastPrimitiveTyID = LabelTyID,
@@ -179,7 +182,8 @@ class Type : public AbstractTypeUser {
 
   /// isFloatingPoint - Return true if this is one of the two floating point
   /// types
-  bool isFloatingPoint() const { return ID == FloatTyID || ID == DoubleTyID; }
+  bool isFloatingPoint() const { return ID == FloatTyID || ID == DoubleTyID ||
+      ID == X86_FP80TyID || ID == FP128TyID || ID == PPC_FP128TyID; }
 
   /// isFPOrFPVector - Return true if this is a FP type or a vector of FP types.
   ///
@@ -282,6 +286,7 @@ class Type : public AbstractTypeUser {
   // These are the builtin types that are always available...
   //
   static const Type *VoidTy, *LabelTy, *FloatTy, *DoubleTy;
+  static const Type *X86_FP80Ty, *FP128Ty, *PPC_FP128Ty;
   static const IntegerType *Int1Ty, *Int8Ty, *Int16Ty, *Int32Ty, *Int64Ty;
 
   /// Methods for support type inquiry through isa, cast, and dyn_cast:

lib/AsmParser/Lexer.l

@@ -244,6 +244,9 @@ zext{WSNL}      { // For auto-upgrade only, drop in LLVM 3.0
 void            { RET_TY(Type::VoidTy,  VOID);  }
 float           { RET_TY(Type::FloatTy, FLOAT); }
 double          { RET_TY(Type::DoubleTy,DOUBLE);}
+x86_fp80        { RET_TY(Type::X86_FP80Ty, X86_FP80);}
+fp128            { RET_TY(Type::FP128Ty, FP128);}
+ppc_fp128         { RET_TY(Type::PPC_FP128Ty, PPC_FP128);}
 label           { RET_TY(Type::LabelTy, LABEL); }
 type            { return TYPE;   }
 opaque          { return OPAQUE; }

lib/AsmParser/Lexer.l.cvs

@@ -244,6 +244,9 @@ zext{WSNL}      { // For auto-upgrade only, drop in LLVM 3.0
 void            { RET_TY(Type::VoidTy,  VOID);  }
 float           { RET_TY(Type::FloatTy, FLOAT); }
 double          { RET_TY(Type::DoubleTy,DOUBLE);}
+x86_fp80        { RET_TY(Type::X86_FP80Ty, X86_FP80);}
+fp128            { RET_TY(Type::FP128Ty, FP128);}
+ppc_fp128         { RET_TY(Type::PPC_FP128Ty, PPC_FP128);}
 label           { RET_TY(Type::LabelTy, LABEL); }
 type            { return TYPE;   }
 opaque          { return OPAQUE; }