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Improved comment.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172864 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-01-18 23:02:45 +00:00
parent 8a8cef7156
commit ffd5f9ad60
1 changed files with 5 additions and 2 deletions
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7
lib/Transforms/Scalar/ObjCARC.cpp
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@ -578,8 +578,11 @@ static Value *GetObjCArg(Value *Inst) {
return StripPointerCastsAndObjCCalls(cast<CallInst>(Inst)->getArgOperand(0));
}
/// \brief This is similar to AliasAnalysis's isIdentifiedObject, except that it
/// uses special knowledge of ObjC conventions.
/// \brief Return true if this value refers to a distinct and identifiable
/// object.
///
/// This is similar to AliasAnalysis's isIdentifiedObject, except that it uses
/// special knowledge of ObjC conventions.
static bool IsObjCIdentifiedObject(const Value *V) {
// Assume that call results and arguments have their own "provenance".
// Constants (including GlobalVariables) and Allocas are never