[llvm-commits] CVS: llvm/lib/AsmParser/llvmAsmParser.y ParserInternals.h

[Chris Lattner]

Changes in directory llvm/lib/AsmParser:

llvmAsmParser.y updated: 1.239 -> 1.240
ParserInternals.h updated: 1.41 -> 1.42
---
Log message:

Implement Regression/Assembler/2005-12-21-ZeroInitVector.ll


---
Diffs of the changes:  (+13 -1)

 ParserInternals.h |    8 +++++++-
 llvmAsmParser.y   |    6 ++++++
 2 files changed, 13 insertions(+), 1 deletion(-)


Index: llvm/lib/AsmParser/llvmAsmParser.y
diff -u llvm/lib/AsmParser/llvmAsmParser.y:1.239 llvm/lib/AsmParser/llvmAsmParser.y:1.240
--- llvm/lib/AsmParser/llvmAsmParser.y:1.239	Sat Nov 12 12:21:21 2005
+++ llvm/lib/AsmParser/llvmAsmParser.y	Wed Dec 21 11:53:02 2005
@@ -303,6 +303,9 @@
   case ValID::ConstUndefVal:      // Is it an undef value?
     return UndefValue::get(Ty);
 
+  case ValID::ConstZeroVal:      // Is it a zero value?
+    return Constant::getNullValue(Ty);
+    
   case ValID::ConstantVal:       // Fully resolved constant?
     if (D.ConstantValue->getType() != Ty)
       ThrowException("Constant expression type different from required type!");
@@ -1816,6 +1819,9 @@
   | UNDEF {
     $$ = ValID::createUndef();
   }
+  | ZEROINITIALIZER {     // A vector zero constant.
+    $$ = ValID::createZeroInit();
+  }
   | '<' ConstVector '>' { // Nonempty unsized packed vector
     const Type *ETy = (*$2)[0]->getType();
     int NumElements = $2->size(); 


Index: llvm/lib/AsmParser/ParserInternals.h
diff -u llvm/lib/AsmParser/ParserInternals.h:1.41 llvm/lib/AsmParser/ParserInternals.h:1.42
--- llvm/lib/AsmParser/ParserInternals.h:1.41	Thu May 19 22:25:47 2005
+++ llvm/lib/AsmParser/ParserInternals.h	Wed Dec 21 11:53:02 2005
@@ -82,7 +82,7 @@
 struct ValID {
   enum {
     NumberVal, NameVal, ConstSIntVal, ConstUIntVal, ConstFPVal, ConstNullVal,
-    ConstUndefVal, ConstantVal,
+    ConstUndefVal, ConstZeroVal, ConstantVal,
   } Type;
 
   union {
@@ -122,6 +122,10 @@
     ValID D; D.Type = ConstUndefVal; return D;
   }
 
+  static ValID createZeroInit() {
+    ValID D; D.Type = ConstZeroVal; return D;
+  }
+  
   static ValID create(Constant *Val) {
     ValID D; D.Type = ConstantVal; D.ConstantValue = Val; return D;
   }
@@ -145,6 +149,7 @@
     case ConstFPVal    : return ftostr(ConstPoolFP);
     case ConstNullVal  : return "null";
     case ConstUndefVal : return "undef";
+    case ConstZeroVal  : return "zeroinitializer";
     case ConstUIntVal  :
     case ConstSIntVal  : return std::string("%") + itostr(ConstPool64);
     case ConstantVal:
@@ -168,6 +173,7 @@
     case ConstFPVal:    return ConstPoolFP  < V.ConstPoolFP;
     case ConstNullVal:  return false;
     case ConstUndefVal: return false;
+    case ConstZeroVal: return false;
     case ConstantVal:   return ConstantValue < V.ConstantValue;
     default:  assert(0 && "Unknown value type!"); return false;
     }