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Provide convenient access to the zext/sext attributes of function arguments. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214843 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Juergen Ributzka 2014-08-05 05:43:41 +00:00
parent 6035518e3b
commit d047a9df7d
2 changed files with 22 additions and 0 deletions
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8
include/llvm/IR/Argument.h
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@ -105,6 +105,14 @@ public:
/// its containing function.
bool hasInAllocaAttr() const;
/// \brief Return true if this argument has the zext attribute on it in its
/// containing function.
bool hasZExtAttr() const;
/// \brief Return true if this argument has the sext attribute on it in its
/// containing function.
bool hasSExtAttr() const;
/// \brief Add a Attribute to an argument.
void addAttr(AttributeSet AS);

14
lib/IR/Function.cpp
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@ -166,6 +166,20 @@ bool Argument::hasReturnedAttr() const {
hasAttribute(getArgNo()+1, Attribute::Returned);
}
/// hasZExtAttr - Return true if this argument has the zext attribute on it in
/// its containing function.
bool Argument::hasZExtAttr() const {
return getParent()->getAttributes().
hasAttribute(getArgNo()+1, Attribute::ZExt);
}
/// hasSExtAttr Return true if this argument has the sext attribute on it in its
/// containing function.
bool Argument::hasSExtAttr() const {
return getParent()->getAttributes().
hasAttribute(getArgNo()+1, Attribute::SExt);
}
/// Return true if this argument has the readonly or readnone attribute on it
/// in its containing function.
bool Argument::onlyReadsMemory() const {