================
@@ -194,9 +217,31 @@ I::~I() { call_in_dtor(); }
// CHECK-MSABI32-LABEL: define {{.*}} @"??_GI@@UAEPAXI@Z"(
// CHECK-MSABI-NOT: call{{ }}
// CHECK-MSABI: load i32
-// CHECK-MSABI: icmp eq i32 {{.*}}, 0
-// CHECK-MSABI: br i1
+// CHECK-MSABI-NEXT: and i32 %[[IMP_PARAM:.*]], 4
+// CHECK-MSABI-NEXT: icmp eq i32 {{.*}}, 0
+// CHECK-MSABI-NEXT: br i1 %[[CHCK]], label %dtor.entry_cont, label
%dtor.call_dtor
+//
+// CHECK-MSABI: dtor.call_dtor:
+// CHECK-MSABI64-NEXT: call void @"??1I@@UEAA@XZ"({{.*}})
+// CHECK-MSABI32-NEXT: call x86_thiscallcc void @"??1I@@UAE@XZ"({{.*}})
+// CHECK-MSABI-NEXT: br label %dtor.entry_cont
+//
+// CHECK-MSABI: dtor.entry_cont:
+// CHECK-MSABI-NEXT: and i32 %[[IMP_PARAM]], 1
+// CHECK-MSABI-NEXT: icmp eq i32 %{{.*}}, 0
+// CHECK-MSABI-NEXT: br i1 %{{.*}}, label %dtor.continue, label
%dtor.call_delete
+//
+// CHECK-MSABI: dtor.call_delete:
+// CHECK-MSABI-NEXT: %[[THIRDBIT1:.*]] = and i32 %[[IMP_PARAM]], 4
+// CHECK-MSABI-NEXT: %[[CHCK2:.*]] = icmp eq i32 %[[THIRDBIT1]], 0
+// CHECK-MSABI-NEXT: br i1 %[[CHCK2]], label %dtor.call_class_delete, label
%dtor.call_glob_delete
+//
+// CHECK-MSABI-LABEL: dtor.call_glob_delete:
+// CHECK-MSABI64: call void @"??3@YAXPEAX_KW4align_val_t@std@@@Z"(ptr noundef
%{{.*}}, i64 noundef 96, i64 noundef 32)
+// CHECK-MSABI32: call void @"??3@YAXPAXIW4align_val_t@std@@@Z"(ptr noundef
%{{.*}}, i32 noundef 64, i32 noundef 32)
+// CHECK-MSABI-NEXT: br label %[[RETURN:.*]]
//
+// CHECK_MSABI: dtor.call_class_delete:
----------------
Fznamznon wrote:
Added the test. I noticed though that MSVC always calls scalar deleting dtor
even when class declares non-virtual destructor. clang doesn't even generate
deleting destructors when class destructor is not virtual. I'm not yet sure
which implications it has, need more experimenting. At least unlike the virtual
case the wrong operator delete is not called.
https://github.com/llvm/llvm-project/pull/139566
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