diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/FunctionAttrs.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/FunctionAttrs.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp index ea664506da2..92d2f79fa73 100644 --- a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp +++ b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp @@ -414,6 +414,10 @@ determinePointerReadAttrs(Argument *A, SmallSet<Use*, 32> Visited; int Count = 0; + // inalloca arguments are always clobbered by the call. + if (A->hasInAllocaAttr()) + return Attribute::None; + bool IsRead = false; // We don't need to track IsWritten. If A is written to, return immediately. |
