Make irgen test windows friendly

Author: hlopko

test/Interop/Cxx/extern-var/extern-var-irgen.swift

@@ -6,24 +6,24 @@ public func getCounter() -> CInt {
   return counter
 }
 
-// CHECK: @counter = external global i32, align 4
+// CHECK: @{{counter|"\?counter@@3HA"}} = external {{(dso_local )?}}global i32, align 4
 
-// CHECK: define protected swiftcc i32 @"$s4main10getCounters5Int32VyF"() #0
-// CHECK: [[LOAD:%.*]] = load i32, i32* getelementptr inbounds (%Ts5Int32V, %Ts5Int32V* bitcast (i32* @counter to %Ts5Int32V*), i32 0, i32 0), align 4
+// CHECK: define {{protected|dllexport}} swiftcc i32 @"$s4main10getCounters5Int32VyF"() #0
+// CHECK: [[LOAD:%.*]] = load i32, i32* getelementptr inbounds (%Ts5Int32V, %Ts5Int32V* bitcast (i32* @{{counter|"\?counter@@3HA"}} to %Ts5Int32V*), i32 0, i32 0), align 4
 // CHECK: ret i32 [[LOAD]]
 
 public func setCounter(_ c: CInt) {
   counter = c
 }
 
-// CHECK: define protected swiftcc void @"$s4main10setCounteryys5Int32VF"(i32 %0) #0
-// CHECK: store i32 %0, i32* getelementptr inbounds (%Ts5Int32V, %Ts5Int32V* bitcast (i32* @counter to %Ts5Int32V*), i32 0, i32 0), align 4
+// CHECK: define {{protected|dllexport}} swiftcc void @"$s4main10setCounteryys5Int32VF"(i32 %0) #0
+// CHECK: store i32 %0, i32* getelementptr inbounds (%Ts5Int32V, %Ts5Int32V* bitcast (i32* @{{counter|"\?counter@@3HA"}} to %Ts5Int32V*), i32 0, i32 0), align 4
 
 public func getNamespacedCounter() -> CInt {
   return Namespaced.counter
 }
 
-// CHECK: define protected swiftcc i32 @"$s4main20getNamespacedCounters5Int32VyF"() #0
+// CHECK: define {{protected|dllexport}} swiftcc i32 @"$s4main20getNamespacedCounters5Int32VyF"() #0
 //FIXME mangle non-top-level var names to prevent name collisions and check:
 // load i32, i32* getelementptr inbounds (%Ts5Int32V, %Ts5Int32V* bitcast (i32* @Namespaced.counter to %Ts5Int32V*), i32 0, i32 0), align 4
 // CHECK: ret i32 %1
@@ -32,7 +32,7 @@ public func setNamespacedCounter(_ c: CInt) {
   Namespaced.counter = c
 }
 
-// CHECK: define protected swiftcc void @"$s4main20setNamespacedCounteryys5Int32VF"(i32 %0) #0
+// CHECK: define {{protected|dllexport}} swiftcc void @"$s4main20setNamespacedCounteryys5Int32VF"(i32 %0) #0
 //FIXME mangle non-top-level var names to prevent name collisions and check:
 // store i32 %0, i32* getelementptr inbounds (%Ts5Int32V, %Ts5Int32V* bitcast (i32* @Namespaced.counter to %Ts5Int32V*), i32 0, i32 0), align 4
 
@@ -44,6 +44,6 @@ public func passingVarAsInout() {
   modifyInout(&counter)
 }
 
-// CHECK: define protected swiftcc void @"$s4main17passingVarAsInoutyyF"() #0
-// CHECK: call swiftcc void @"$s4main11modifyInoutyys5Int32VzF"(%Ts5Int32V* nocapture dereferenceable(4) bitcast (i32* @counter to %Ts5Int32V*))
+// CHECK: define {{protected|dllexport}} swiftcc void @"$s4main17passingVarAsInoutyyF"() #0
+// CHECK: call swiftcc void @"$s4main11modifyInoutyys5Int32VzF"(%Ts5Int32V* nocapture dereferenceable(4) bitcast (i32* @{{counter|"\?counter@@3HA"}} to %Ts5Int32V*))