diff options
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 02cbdf0c9e8..9b96a59aec3 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -1683,6 +1683,14 @@ void CodeGenModule::ConstructAttributeList( HasAnyX86InterruptAttr = TargetDecl->hasAttr<AnyX86InterruptAttr>(); HasOptnone = TargetDecl->hasAttr<OptimizeNoneAttr>(); + if (auto *AllocSize = TargetDecl->getAttr<AllocSizeAttr>()) { + Optional<unsigned> NumElemsParam; + // alloc_size args are base-1, 0 means not present. + if (unsigned N = AllocSize->getNumElemsParam()) + NumElemsParam = N - 1; + FuncAttrs.addAllocSizeAttr(AllocSize->getElemSizeParam() - 1, + NumElemsParam); + } } // OptimizeNoneAttr takes precedence over -Os or -Oz. No warning needed. |
