test: correct a couple of tests for Windows

On Windows, we do not emit the base type pointer and instead will fill
that in at runtime just like the resilient strategy.  Permit this in the
IRGen checks.

Author: compnerd

test/IRGen/empty_enum.swift

@@ -1,6 +1,6 @@
 // RUN: %target-swift-frontend -primary-file %s -emit-ir | %FileCheck %s
 
 // CHECK: @"$s10empty_enum6JamaisOMf" =
-//   CHECK-SAME: @"$sytWV"
+//   CHECK-SAME: {{@"\$sytWV"|i8\*\* getelementptr inbounds \(%swift.enum_vwtable, %swift.enum_vwtable\* @"\$s10empty_enum6JamaisOWV", i32 0, i32 0\)}}
 
 enum Jamais {}

test/multifile/nested_types.swift

@@ -2,10 +2,10 @@
 
 // Make sure we generate the outer metadata.
 
-// CHECK-DAG: @"$s4test5OuterVMf" = internal constant {{.*}} @"$sytWV"{{.*}}@"$s4test5OuterVMn"
-// CHECK-DAG: @"$s4test6Outer2VMf" = internal constant {{.*}} @"$sytWV"{{.*}}@"$s4test6Outer2VMn"
-// CHECK-DAG: @"$s4test6Outer3VMf" = internal constant {{.*}} @"$sytWV"{{.*}}@"$s4test6Outer3VMn"
-// CHECK-DAG: @"$s4test6Outer4VMf" = internal constant {{.*}} @"$sytWV"{{.*}}@"$s4test6Outer4VMn"
+// CHECK-DAG: @"$s4test5OuterVMf" = internal constant {{.*}} {{@"\$sytWV"|i8\*\* getelementptr inbounds \(%swift.vwtable, %swift.vwtable\* @"\$s4test5OuterVWV", i32 0, i32 0\)}}, {{.*}} @"$s4test5OuterVMn"
+// CHECK-DAG: @"$s4test6Outer2VMf" = internal constant {{.*}} {{@"\$sytWV"|i8\*\* getelementptr inbounds \(%swift.vwtable, %swift.vwtable\* @"\$s4test6Outer2VWV", i32 0, i32 0\)}}, {{.*}} @"$s4test6Outer2VMn"
+// CHECK-DAG: @"$s4test6Outer3VMf" = internal constant {{.*}} {{@"\$sytWV"|i8\*\* getelementptr inbounds \(%swift.vwtable, %swift.vwtable\* @"\$s4test6Outer3VWV", i32 0, i32 0\)}}, {{.*}} @"$s4test6Outer3VMn"
+// CHECK-DAG: @"$s4test6Outer4VMf" = internal constant {{.*}} {{@"\$sytWV"|i8\*\* getelementptr inbounds \(%swift.vwtable, %swift.vwtable\* @"\$s4test6Outer4VWV", i32 0, i32 0\)}}, {{.*}} @"$s4test6Outer4VMn"
 
 class C<T> { }