================
@@ -2220,6 +2220,11 @@ llvm::Constant
*ConstantLValueEmitter::emitPointerAuthPointer(const Expr *E) {
// The assertions here are all checked by Sema.
assert(Result.Val.isLValue());
+ auto *Base = Result.Val.getLValueBase().get<const ValueDecl *>();
+ if (auto *Decl = dyn_cast_or_null<FunctionDecl>(Base)) {
+ assert(Result.Val.getLValueOffset().isZero());
+ return CGM.getRawFunctionPointer(Decl);
----------------
ahatanak wrote:
This function is called to return an unsigned pointer. The returned pointer is
used to create a signed pointer for `__builtin_ptrauth_sign_constant` in
`emitPointerAuthSignConstant`. `ConstantEmitter` returns a pointer that is
signed with zero or a non-zero discriminator that is based on the function type
etc.
https://github.com/llvm/llvm-project/pull/96992
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