PNaCl: Add support for GCC/LLVM vector extensions

include/llvm/Bitcode/NaCl/NaClLLVMBitCodes.h

 //===- NaClLLVMBitCodes.h ---------------------------------------*- C++ -*-===//
 //     Enum values for the NaCl bitcode wire format
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ skipping 79 matching lines @@
     TYPE_CODE_LABEL    =  5,    // LABEL
     TYPE_CODE_OPAQUE   =  6,    // Not used in PNaCl.
     TYPE_CODE_INTEGER  =  7,    // INTEGER: [width]
     TYPE_CODE_POINTER  =  8,    // POINTER: [pointee type]
 
     TYPE_CODE_FUNCTION_OLD = 9, // Not used in PNaCl.
 
     TYPE_CODE_HALF     =  10,   // Not used in PNaCl.
 
     TYPE_CODE_ARRAY    = 11,    // Not used in PNaCl.
-    TYPE_CODE_VECTOR   = 12,    // Not used in PNaCl.
+    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,    // Not used in PNaCl.
     TYPE_CODE_FP128    = 14,    // Not used in PNaCl.
     TYPE_CODE_PPC_FP128= 15,    // Not used in PNaCl.
 
     TYPE_CODE_METADATA = 16,    // Not used in PNaCl.
 
@@ skipping 219 matching lines @@
     FUNC_CODE_INST_PHI         = 16, // PHI:        [ty, val0,bb0, ...]
     // 17 is unused.
     // 18 is unused.
     FUNC_CODE_INST_ALLOCA      = 19, // ALLOCA:     [op, align]
     FUNC_CODE_INST_LOAD        = 20, // LOAD: [op, align, ty]
     // 21 is unused.
     // 22 is unused.
     FUNC_CODE_INST_VAARG       = 23, // Not used in PNaCl.
     FUNC_CODE_INST_STORE       = 24, // STORE: [ptr, val, align]
     // 25 is unused.
     FUNC_CODE_INST_EXTRACTVAL  = 26, // Not used in PNaCl.

[Karl, 2014/04/02 15:56:22]

Fix the comment to show that we are now using, and what is expected.

[JF, 2014/04/02 18:37:12]

Done.

     FUNC_CODE_INST_INSERTVAL   = 27, // Not used in PNaCl.

[Karl, 2014/04/02 15:56:22]

Same here.

[JF, 2014/04/02 18:37:12]

Done.

     // fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
     // support legacy vicmp/vfcmp instructions.
     FUNC_CODE_INST_CMP2        = 28, // CMP2:       [opval, opval, pred]
     // new select on i1 or [N x i1]
     FUNC_CODE_INST_VSELECT     = 29, // VSELECT:    [opval, opval, pred]
     FUNC_CODE_INST_INBOUNDS_GEP= 30, // Not used in PNaCl.
     FUNC_CODE_INST_INDIRECTBR  = 31, // Not used in PNaCl.
     // 32 is unused.
     FUNC_CODE_DEBUG_LOC_AGAIN  = 33, // Not used in PNaCl.
 
     FUNC_CODE_INST_CALL        = 34, // CALL: [cc, fnid, args...]
                                      // See FUNC_CODE_INST_CALL_INDIRECT below.
     FUNC_CODE_DEBUG_LOC        = 35, // Not used in PNaCl.
     FUNC_CODE_INST_FENCE       = 36, // Not used in PNaCl.
     FUNC_CODE_INST_CMPXCHG     = 37, // Not used in PNaCl.
     FUNC_CODE_INST_ATOMICRMW   = 38, // Not used in PNaCl.
     FUNC_CODE_INST_RESUME      = 39, // Not used in PNaCl.
     FUNC_CODE_INST_LANDINGPAD  = 40, // Not used in PNaCl.
     FUNC_CODE_INST_LOADATOMIC  = 41, // Not used in PNaCl.
     FUNC_CODE_INST_STOREATOMIC = 42, // Not used in PNaCl.
     FUNC_CODE_INST_FORWARDTYPEREF = 43, // TYPE: [opval, ty]
     // CALL_INDIRECT: [cc, fnid, returnty, args...]
     FUNC_CODE_INST_CALL_INDIRECT = 44
   };
 } // End naclbitc namespace
 } // End llvm namespace
 
 #endif