Flatten some of the arrays in the X86 disassembler tables to reduce space needed to store pointers on 64-bit hosts and reduce relocations needed at startup. Part of PR11953.

llvm-svn: 150161
diff --git a/llvm/lib/Target/X86/Disassembler/X86Disassembler.h b/llvm/lib/Target/X86/Disassembler/X86Disassembler.h
index 588a81a..545fbc1 100644
--- a/llvm/lib/Target/X86/Disassembler/X86Disassembler.h
+++ b/llvm/lib/Target/X86/Disassembler/X86Disassembler.h
@@ -78,7 +78,7 @@
   const char*             name;
 
 #define INSTRUCTION_IDS               \
-  const InstrUID *instructionIDs;
+  unsigned instructionIDs;
 
 #include "X86DisassemblerDecoderCommon.h"