[llvm-commits] CVS: llvm/lib/AsmParser/Lexer.l llvmAsmParser.y

[Chris Lattner]

Changes in directory llvm/lib/AsmParser:

Lexer.l updated: 1.34 -> 1.35
llvmAsmParser.y updated: 1.114 -> 1.115

---
Log message:

Add support for a new zeroinitializer token which can be used to get rid of
huge arrays of zero initialized values


---
Diffs of the changes:

Index: llvm/lib/AsmParser/Lexer.l
diff -u llvm/lib/AsmParser/Lexer.l:1.34 llvm/lib/AsmParser/Lexer.l:1.35
--- llvm/lib/AsmParser/Lexer.l:1.34	Wed May  7 21:44:01 2003
+++ llvm/lib/AsmParser/Lexer.l	Sat Jun 28 15:01:34 2003
@@ -174,6 +174,7 @@
 uninitialized   { return EXTERNAL; }    /* Deprecated, turn into external */
 external        { return EXTERNAL; }
 implementation  { return IMPLEMENTATION; }
+zeroinitializer { return ZEROINITIALIZER; }
 \.\.\.          { return DOTDOTDOT; }
 null            { return NULL_TOK; }
 to              { return TO; }


Index: llvm/lib/AsmParser/llvmAsmParser.y
diff -u llvm/lib/AsmParser/llvmAsmParser.y:1.114 llvm/lib/AsmParser/llvmAsmParser.y:1.115
--- llvm/lib/AsmParser/llvmAsmParser.y:1.114	Wed Jun 18 14:22:32 2003
+++ llvm/lib/AsmParser/llvmAsmParser.y	Sat Jun 28 15:01:34 2003
@@ -702,7 +702,8 @@
 %type  <StrVal>  OptVAR_ID OptAssign FuncName
 
 
-%token IMPLEMENTATION TRUE FALSE BEGINTOK ENDTOK DECLARE GLOBAL CONSTANT
+%token IMPLEMENTATION ZEROINITIALIZER TRUE FALSE BEGINTOK ENDTOK
+%token  DECLARE GLOBAL CONSTANT
 %token TO EXCEPT DOTDOTDOT NULL_TOK CONST INTERNAL LINKONCE APPENDING
 %token OPAQUE NOT EXTERNAL TARGET ENDIAN POINTERSIZE LITTLE BIG
 
@@ -1038,6 +1039,10 @@
     if ($1->get() != $2->getType())
       ThrowException("Mismatched types for constant expression!");
     $$ = $2;
+    delete $1;
+  }
+  | Types ZEROINITIALIZER {
+    $$ = Constant::getNullValue($1->get());
     delete $1;
   };