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Add a hasAddressTaken for BasicBlock.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85449 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-10-29 00:09:08 +00:00
parent a809d2fb27
commit eeb8ef1f37
2 changed files with 13 additions and 0 deletions
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4
include/llvm/BasicBlock.h
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@ -235,6 +235,10 @@ public:
/// keeping loop information consistent, use the SplitBlock utility function.
///
BasicBlock *splitBasicBlock(iterator I, const Twine &BBName = "");
/// hasAddressTaken - returns true if there are any uses of this basic block
/// other than direct branches, switches, etc. to it.
bool hasAddressTaken() const;
};
} // End llvm namespace

9
lib/VMCore/BasicBlock.cpp
View File

@ -277,3 +277,12 @@ BasicBlock *BasicBlock::splitBasicBlock(iterator I, const Twine &BBName) {
}
return New;
}
/// hasAddressTaken - returns true if there are any uses of this basic block
/// other than direct branches, switches, etc. to it.
bool BasicBlock::hasAddressTaken() const {
for (Value::use_const_iterator I = use_begin(), E = use_end(); I != E; ++I)
if (isa<BlockAddress>(*I))
return true;
return false;
}