// expensive/sucky at the moment, so don't generate the thunk unless
// we have to.
// FIXME: Do something better here; GenerateVarArgsThunk is extremely ugly.
- if (!UseAvailableExternallyLinkage)
+ if (!UseAvailableExternallyLinkage) {
CodeGenFunction(CGM).GenerateVarArgsThunk(ThunkFn, FnInfo, GD, Thunk);
+ CGM.getCXXABI().setThunkLinkage(ThunkFn, ForVTable);
+ }
} else {
// Normal thunk body generation.
CodeGenFunction(CGM).GenerateThunk(ThunkFn, FnInfo, GD, Thunk);
+ CGM.getCXXABI().setThunkLinkage(ThunkFn, ForVTable);
}
-
- CGM.getCXXABI().setThunkLinkage(ThunkFn, ForVTable);
}
void CodeGenVTables::maybeEmitThunkForVTable(GlobalDecl GD,
// RUN: %clang_cc1 %s -triple=x86_64-pc-linux-gnu -munwind-tables -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple=x86_64-pc-linux-gnu -munwind-tables -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s
// RUN: %clang_cc1 %s -triple=x86_64-pc-linux-gnu -munwind-tables -fhidden-weak-vtables -emit-llvm -o - | FileCheck -check-prefix=CHECK-HIDDEN %s
namespace Test1 {
// CHECK: define void @_ZThn8_N6Test141C1fEv({{.*}}) unnamed_addr [[NUW:#[0-9]+]]
}
+// Varargs non-covariant thunk test.
+// PR18098
+namespace Test15 {
+ struct A {
+ virtual ~A();
+ };
+ struct B {
+ virtual void f(int x, ...);
+ };
+ struct C : A, B {
+ virtual void c();
+ virtual void f(int x, ...);
+ };
+ void C::c() {}
+
+ // C::c
+ // CHECK: declare void @_ZN6Test151C1fEiz
+ // non-virtual thunk to C::f
+ // CHECK: declare void @_ZThn8_N6Test151C1fEiz
+}
+
/**** The following has to go at the end of the file ****/
// This is from Test5: