Clang changes for alloc_align attribute
GCC has the alloc_align attribute, which is similar to assume_aligned, except the attribute's parameter is the index of the integer parameter that needs aligning to.
Differential Revision: https://reviews.llvm.org/D29599
llvm-svn: 299117
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index d75d705..1482aa6 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -168,6 +168,16 @@
Aligned->getSpellingListIndex());
}
+static void instantiateDependentAllocAlignAttr(
+ Sema &S, const MultiLevelTemplateArgumentList &TemplateArgs,
+ const AllocAlignAttr *Align, Decl *New) {
+ Expr *Param = IntegerLiteral::Create(
+ S.getASTContext(), llvm::APInt(64, Align->getParamIndex()),
+ S.getASTContext().UnsignedLongLongTy, Align->getLocation());
+ S.AddAllocAlignAttr(Align->getLocation(), New, Param,
+ Align->getSpellingListIndex());
+}
+
static Expr *instantiateDependentFunctionAttrCondition(
Sema &S, const MultiLevelTemplateArgumentList &TemplateArgs,
const Attr *A, Expr *OldCond, const Decl *Tmpl, FunctionDecl *New) {
@@ -380,6 +390,12 @@
continue;
}
+ if (const auto *AllocAlign = dyn_cast<AllocAlignAttr>(TmplAttr)) {
+ instantiateDependentAllocAlignAttr(*this, TemplateArgs, AllocAlign, New);
+ continue;
+ }
+
+
if (const auto *EnableIf = dyn_cast<EnableIfAttr>(TmplAttr)) {
instantiateDependentEnableIfAttr(*this, TemplateArgs, EnableIf, Tmpl,
cast<FunctionDecl>(New));