Fix PR296: [execution engines] Unhandled cast constant expression
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12435 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index 4e45bfa..ba21f40 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -179,19 +179,30 @@
// automatically fold, just the ones involving pointers won't.
//
Constant *Op = CE->getOperand(0);
+ GenericValue GV = getConstantValue(Op);
// Handle cast of pointer to pointer...
if (Op->getType()->getPrimitiveID() == C->getType()->getPrimitiveID())
- return getConstantValue(Op);
+ return GV;
// Handle a cast of pointer to any integral type...
if (isa<PointerType>(Op->getType()) && C->getType()->isIntegral())
- return getConstantValue(Op);
+ return GV;
- // Handle cast of long to pointer...
- if (isa<PointerType>(C->getType()) && (Op->getType() == Type::LongTy ||
- Op->getType() == Type::ULongTy))
- return getConstantValue(Op);
+ // Handle cast of integer to a pointer...
+ if (isa<PointerType>(C->getType()) && Op->getType()->isIntegral())
+ switch (Op->getType()->getPrimitiveID()) {
+ case Type::BoolTyID: return PTOGV((void*)(uintptr_t)GV.BoolVal);
+ case Type::SByteTyID: return PTOGV((void*)( intptr_t)GV.SByteVal);
+ case Type::UByteTyID: return PTOGV((void*)(uintptr_t)GV.UByteVal);
+ case Type::ShortTyID: return PTOGV((void*)( intptr_t)GV.ShortVal);
+ case Type::UShortTyID: return PTOGV((void*)(uintptr_t)GV.UShortVal);
+ case Type::IntTyID: return PTOGV((void*)( intptr_t)GV.IntVal);
+ case Type::UIntTyID: return PTOGV((void*)(uintptr_t)GV.UIntVal);
+ case Type::LongTyID: return PTOGV((void*)( intptr_t)GV.LongVal);
+ case Type::ULongTyID: return PTOGV((void*)(uintptr_t)GV.ULongVal);
+ default: assert(0 && "Unknown integral type!");
+ }
break;
}