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Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp.

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This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75445 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-07-13 04:09:18 +00:00
parent f1db120d04
commit 0a5372ed3e
43 changed files with 547 additions and 480 deletions
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17
unittests/Support/ValueHandleTest.cpp
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@ -284,14 +284,17 @@ TEST_F(ValueHandle, CallbackVH_DeletionCanRAUW) {
public:
int DeletedCalls;
Value *AURWArgument;
LLVMContext *Context;
RecoveringVH() : DeletedCalls(0), AURWArgument(NULL) {}
RecoveringVH() : DeletedCalls(0), AURWArgument(NULL),
Context(&getGlobalContext()) {}
RecoveringVH(Value *V)
: CallbackVH(V), DeletedCalls(0), AURWArgument(NULL) {}
: CallbackVH(V), DeletedCalls(0), AURWArgument(NULL),
Context(&getGlobalContext()) {}
private:
virtual void deleted() {
getValPtr()->replaceAllUsesWith(Constant::getNullValue(Type::Int32Ty));
getValPtr()->replaceAllUsesWith(Context->getNullValue(Type::Int32Ty));
setValPtr(NULL);
}
virtual void allUsesReplacedWith(Value *new_value) {
@ -307,11 +310,13 @@ TEST_F(ValueHandle, CallbackVH_DeletionCanRAUW) {
RecoveringVH RVH;
RVH = BitcastV.get();
std::auto_ptr<BinaryOperator> BitcastUser(
BinaryOperator::CreateAdd(RVH, Constant::getNullValue(Type::Int32Ty)));
BinaryOperator::CreateAdd(RVH,
getGlobalContext().getNullValue(Type::Int32Ty)));
EXPECT_EQ(BitcastV.get(), BitcastUser->getOperand(0));
BitcastV.reset(); // Would crash without the ValueHandler.
EXPECT_EQ(Constant::getNullValue(Type::Int32Ty), RVH.AURWArgument);
EXPECT_EQ(Constant::getNullValue(Type::Int32Ty), BitcastUser->getOperand(0));
EXPECT_EQ(getGlobalContext().getNullValue(Type::Int32Ty), RVH.AURWArgument);
EXPECT_EQ(getGlobalContext().getNullValue(Type::Int32Ty),
BitcastUser->getOperand(0));
}
}