================
@@ -109,9 +109,22 @@ int unused_with_implicit_default_def(void) { return 1; }
int unused_with_implicit_forward_default_def(void) { return 0; }
__attribute__((target_version("lse"))) int
unused_with_implicit_forward_default_def(void) { return 1; }
-// This should generate a normal function.
+// This should generate a target version despite the default not being
declared.
__attribute__((target_version("rdm"))) int unused_without_default(void) {
return 0; }
+// The following is guarded because in NOFMV we get errors for calling
undeclared functions.
+#ifdef __HAVE_FUNCTION_MULTI_VERSIONING
+// This should generate a default declaration, two target versions and the
resolver.
+__attribute__((target_version("jscvt"))) int
used_def_without_default_decl(void) { return 1; }
+__attribute__((target_version("rdma"))) int
used_def_without_default_decl(void) { return 2; }
+
+// This should generate a default declaration and the resolver.
+__attribute__((target_version("jscvt"))) int
used_decl_without_default_decl(void);
+__attribute__((target_version("rdma"))) int
used_decl_without_default_decl(void);
+
+int caller(void) { return used_def_without_default_decl() +
used_decl_without_default_decl(); }
----------------
labrinea wrote:
Let me think about this a little more. The behavior is inconsistent when the
order of declaration changes. If the default comes last then it is mangled and
a resolver is generated. Perhaps this is preferable in case the other versions
reside in another TU.
https://github.com/llvm/llvm-project/pull/85454
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