[llvm-commits] CVS: llvm/lib/VMCore/ConstantHandling.cpp

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

ConstantHandling.cpp updated: 1.32 -> 1.33

---
Log message:

Implement constant folding of casts from boolean constants to other values


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Diffs of the changes:

Index: llvm/lib/VMCore/ConstantHandling.cpp
diff -u llvm/lib/VMCore/ConstantHandling.cpp:1.32 llvm/lib/VMCore/ConstantHandling.cpp:1.33
--- llvm/lib/VMCore/ConstantHandling.cpp:1.32	Thu Jun 26 00:22:45 2003
+++ llvm/lib/VMCore/ConstantHandling.cpp	Wed Aug 13 10:52:25 2003
@@ -344,6 +344,25 @@
   static Constant *Xor(const ConstantBool *V1, const ConstantBool *V2) {
     return ConstantBool::get(V1->getValue() ^ V2->getValue());
   }
+
+  // Casting operators.  ick
+#define DEF_CAST(TYPE, CLASS, CTYPE) \
+  static CLASS *CastTo##TYPE  (const ConstantBool *V) {    \
+    return CLASS::get(Type::TYPE##Ty, (CTYPE)(bool)V->getValue()); \
+  }
+
+  DEF_CAST(Bool  , ConstantBool, bool)
+  DEF_CAST(SByte , ConstantSInt, signed char)
+  DEF_CAST(UByte , ConstantUInt, unsigned char)
+  DEF_CAST(Short , ConstantSInt, signed short)
+  DEF_CAST(UShort, ConstantUInt, unsigned short)
+  DEF_CAST(Int   , ConstantSInt, signed int)
+  DEF_CAST(UInt  , ConstantUInt, unsigned int)
+  DEF_CAST(Long  , ConstantSInt, int64_t)
+  DEF_CAST(ULong , ConstantUInt, uint64_t)
+  DEF_CAST(Float , ConstantFP  , float)
+  DEF_CAST(Double, ConstantFP  , double)
+#undef DEF_CAST
 };