diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/FunctionAttrs.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp index d40ee30f453..72c850fca99 100644 --- a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp +++ b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp @@ -281,6 +281,13 @@ static bool addReadAttrs(const SCCNodeSet &SCCNodes, AARGetterT &&AARGetter) { F->removeFnAttr(Attribute::ReadNone); F->removeFnAttr(Attribute::WriteOnly); + if (!WritesMemory && !ReadsMemory) { + // Clear out any "access range attributes" if readnone was deduced. + F->removeFnAttr(Attribute::ArgMemOnly); + F->removeFnAttr(Attribute::InaccessibleMemOnly); + F->removeFnAttr(Attribute::InaccessibleMemOrArgMemOnly); + } + // Add in the new attribute. if (WritesMemory && !ReadsMemory) F->addFnAttr(Attribute::WriteOnly); |
