================
@@ -1353,6 +1354,92 @@ void CodeGenFunction::EmitAllocToken(llvm::CallBase *CB,
QualType AllocType) {
CB->setMetadata(llvm::LLVMContext::MD_alloc_token, MDN);
}
+/// Infer type from a simple sizeof expression.
+static QualType inferTypeFromSizeofExpr(const Expr *E) {
+ const Expr *Arg = E->IgnoreParenImpCasts();
+ if (const auto *UET = dyn_cast<UnaryExprOrTypeTraitExpr>(Arg)) {
+ if (UET->getKind() == UETT_SizeOf) {
+ if (UET->isArgumentType())
+ return UET->getArgumentTypeInfo()->getType();
+ else
+ return UET->getArgumentExpr()->getType();
+ }
+ }
+ return QualType();
+}
+
+/// Infer type from an arithmetic expression involving a sizeof.
+static QualType inferTypeFromArithSizeofExpr(const Expr *E) {
----------------
melver wrote:
inferPossibleType it is.
FYI @thejh - this is probably what you'll be able to use to fill
DW_AT_alloc_type for malloc and friends for
https://dwarfstd.org/issues/250407.1.html
https://github.com/llvm/llvm-project/pull/156841
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