tests: match optional nonnull attributes

They are inserted by the new LLVM (rebranch). It doesn't harm to match those attributes conditionally also in the main branch

Author: eeckstein

test/IRGen/closure.swift

@@ -69,7 +69,7 @@ func no_capture_descriptor(_ c: C, _ d: C, _ e: C, _ f: C, _ g: C) {
 // CHECK-LABEL: define hidden swiftcc { i8*, %swift.refcounted* } @"$s7closure9letEscape1fyycyyXE_tF"(i8* %0, %swift.opaque* %1)
 // CHECK: call zeroext i1 @swift_isEscapingClosureAtFileLocation(%swift.refcounted* {{.*}}, i8* getelementptr inbounds ({{.*}} [[FILENAME]]
 // OPT-LABEL: define hidden swiftcc { i8*, %swift.refcounted* } @"$s7closure9letEscape1fyycyyXE_tF"(i8* %0, %swift.opaque* %1)
-// OPT: call zeroext i1 @swift_isEscapingClosureAtFileLocation(%swift.refcounted* {{.*}}, i8* getelementptr inbounds ({{.*}} [[FILENAME]]
+// OPT: call zeroext i1 @swift_isEscapingClosureAtFileLocation(%swift.refcounted* {{.*}}, i8* {{(nonnull )?}}getelementptr inbounds ({{.*}} [[FILENAME]]
 func letEscape(f: () -> ()) -> () -> () {
   return withoutActuallyEscaping(f) { return $0 }
 }

test/IRGen/dllexport.swift

@@ -36,7 +36,7 @@ open class d {
 // CHECK-DAG: define dllexport swiftcc %swift.refcounted* @"$s9dllexport1cCfd"(%T9dllexport1cC*{{.*}})
 // CHECK-DAG-NO-OPT: define dllexport swiftcc %T9dllexport1cC* @"$s9dllexport1cCACycfc"(%T9dllexport1cC* %0)
 // CHECK-DAG-NO-OPT: define dllexport swiftcc %T9dllexport1cC* @"$s9dllexport1cCACycfC"(%swift.type* %0)
-// CHECK-DAG: define dllexport swiftcc i8* @"$s9dllexport2ciAA1cCvau"()
+// CHECK-DAG: define dllexport swiftcc {{(nonnull )?}}i8* @"$s9dllexport2ciAA1cCvau"()
 // CHECK-DAG-NO-OPT: define dllexport swiftcc void @"$s9dllexport1dC1m33_C57BA610BA35E21738CC992438E660E9LLyyF"(%T9dllexport1dC* %0)
 // CHECK-DAG-NO-OPT: define dllexport swiftcc void @"$s9dllexport1dCfD"(%T9dllexport1dC* %0)
 // CHECK-DAG: define dllexport swiftcc %swift.refcounted* @"$s9dllexport1dCfd"(%T9dllexport1dC*{{.*}})