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Add an explicit operator bool conversion to DIDescriptor to make

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it clear what we want to do. Unfortunately the conversion to
pointer operator fires now instead and chasing down all of the
conversions and making them explicit and handled is a large task
so add a FIXME with it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186543 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-07-17 22:53:05 +00:00
parent 3a79975169
commit b479870e89
1 changed files with 7 additions and 0 deletions
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7
include/llvm/DebugInfo.h
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@ -102,6 +102,13 @@ namespace llvm {
operator MDNode *() const { return const_cast<MDNode*>(DbgNode); }
MDNode *operator ->() const { return const_cast<MDNode*>(DbgNode); }
// An explicit operator bool so that we can do testing of DI values
// easily.
// FIXME: This operator bool isn't actually protecting anything at the
// moment due to the conversion operator above making DIDescriptor nodes
// implicitly convertable to pointer.
LLVM_EXPLICIT operator bool() const { return DbgNode != 0; }
unsigned getTag() const {
return getUnsignedField(0) & ~LLVMDebugVersionMask;
}