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| author | Nick Lewycky <nicholas@mxc.ca> | 2013-07-06 00:29:58 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2013-07-06 00:29:58 +0000 |
| commit | dc89737bcdbb8f69d8ae7578bdfa904cabcfc5ed (patch) | |
| tree | 1838b5d8368383a083fad1cdca2fe777528e5a69 /include/llvm/IR/Argument.h | |
| parent | 202eb7b18e220205ec86a03ddf18f2066c70ab15 (diff) | |
| download | llvm-dc89737bcdbb8f69d8ae7578bdfa904cabcfc5ed.tar.gz llvm-dc89737bcdbb8f69d8ae7578bdfa904cabcfc5ed.tar.bz2 llvm-dc89737bcdbb8f69d8ae7578bdfa904cabcfc5ed.tar.xz | |
Extend 'readonly' and 'readnone' to work on function arguments as well as
functions. Make the function attributes pass add it to known library functions
and when it can deduce it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185735 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/IR/Argument.h')
| -rw-r--r-- | include/llvm/IR/Argument.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/IR/Argument.h b/include/llvm/IR/Argument.h index 40d61ff685..eb6ed46b47 100644 --- a/include/llvm/IR/Argument.h +++ b/include/llvm/IR/Argument.h @@ -82,6 +82,11 @@ public: /// its containing function. bool hasReturnedAttr() const; + /// \brief Return true if this argument has the readonly or readnone attribute + /// on it in its containing function. + bool onlyReadsMemory() const; + + /// \brief Add a Attribute to an argument. void addAttr(AttributeSet AS); |