Fix more test cases for the \01l_OBJC_CLASS_REF change.

Author: DougGregor

test/ClangImporter/attr-swift_private.swift

@@ -92,7 +92,7 @@ public func testTopLevel() {
 }
 
 // CHECK-LABEL: define linkonce_odr hidden swiftcc %swift.metadata_response @"$SSo10PrivFooSubCMa{{.*}} {
-// CHECK: %objc_class** @"OBJC_CLASS_REF_$_PrivFooSub"
+// CHECK: %objc_class** @"\01l_OBJC_CLASS_REF_$_PrivFooSub"
 // CHECK: }
 
 // CHECK-LABEL: define linkonce_odr hidden {{.+}} @"$SSo3BarC8__noArgsABSgyt_tcfcTO"

test/ClangImporter/objc_ir.swift

@@ -74,15 +74,15 @@ func propertyAccess(b b: B) {
    // CHECK: load i8*, i8** @"\01L_selector(setCounter:)"
    b.counter = b.counter + 1
 
-   // CHECK: load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_B"
+   // CHECK: load %objc_class*, %objc_class** @"\01l_OBJC_CLASS_REF_$_B"
    // CHECK: load i8*, i8** @"\01L_selector(sharedCounter)"
    // CHECK: load i8*, i8** @"\01L_selector(setSharedCounter:)"
    B.sharedCounter = B.sharedCounter + 1
 }
 
 // CHECK-LABEL: define hidden swiftcc %TSo1BC* @"$S7objc_ir8downcast1aSo1BCSo1AC_tF"(
 func downcast(a a: A) -> B {
-  // CHECK: [[CLASS:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_B"
+  // CHECK: [[CLASS:%.*]] = load %objc_class*, %objc_class** @"\01l_OBJC_CLASS_REF_$_B"
   // CHECK: [[T0:%.*]] = call %objc_class* @swift_getInitializedObjCClass(%objc_class* [[CLASS]])
   // CHECK: [[T1:%.*]] = bitcast %objc_class* [[T0]] to i8*
   // CHECK: call i8* @swift_dynamicCastObjCClassUnconditional(i8* [[A:%.*]], i8* [[T1]]) [[NOUNWIND:#[0-9]+]]

test/IRGen/COFF-objc-sections.swift

@@ -21,7 +21,7 @@ class D {
 // CHECK-COFF-NOT: @"$S4main1CCMf" = {{.*}}, section "__DATA,__objc_data, regular"
 // CHECK-COFF: @"\01l_OBJC_LABEL_PROTOCOL_$_P" = {{.*}}, section ".objc_protolist$B"
 // CHECK-COFF: @"\01l_OBJC_PROTOCOL_REFERENCE_$_P" = {{.*}}, section ".objc_protorefs$B"
-// CHECK-COFF: @"OBJC_CLASS_REF_$_I" = {{.*}}, section ".objc_classrefs$B"
+// CHECK-COFF: @"\01l_OBJC_CLASS_REF_$_I" = {{.*}}, section ".objc_classrefs$B"
 // CHECK-COFF: @"\01L_selector(init)" = {{.*}}, section ".objc_selrefs$B"
 // CHECK-COFF: @objc_classes = {{.*}}, section ".objc_classlist$B"
 // CHECK-COFF: @objc_categories = {{.*}}, section ".objc_catlist$B"

test/IRGen/ELF-objc-sections.swift

@@ -21,7 +21,7 @@ class D {
 // CHECK-ELF-NOT: @"$S4main1CCMf" = {{.*}}, section "__DATA,__objc_data, regular"
 // CHECK-ELF: @"\01l_OBJC_LABEL_PROTOCOL_$_P" = {{.*}}, section "objc_protolist"
 // CHECK-ELF: @"\01l_OBJC_PROTOCOL_REFERENCE_$_P" = {{.*}}, section "objc_protorefs", align 8
-// CHECK-ELF: @"OBJC_CLASS_REF_$_I" = {{.*}}, section "objc_classrefs", align 8
+// CHECK-ELF: @"\01l_OBJC_CLASS_REF_$_I" = {{.*}}, section "objc_classrefs", align 8
 // CHECK-ELF: @"\01L_selector(init)" = {{.*}}, section "objc_selrefs"
 // CHECK-ELF: @objc_classes = {{.*}}, section "objc_classlist"
 // CHECK-ELF: @objc_categories = {{.*}}, section "objc_catlist"