Update tests for upstream LLVM IR assembler changes

Author: adrian-prantl

test/DebugInfo/Destructors.swift

@@ -3,7 +3,7 @@
 public class Foo {
   // CHECK: !DISubprogram(name: "deinit", linkageName: "$s11Destructors3FooCfD"
   // CHECK-SAME:          line: [[@LINE-2]]
-  // CHECK-SAME:          isDefinition: true
+  // CHECK-SAME:          DISPFlagDefinition
   var x : Int64
   init(x: Int64) { self.x = x }
 }

test/DebugInfo/PrivateDiscriminator.swift

@@ -32,7 +32,7 @@ public class Outer {
     // CHECK: !DISubprogram(name: "getMember"
     // CHECK-SAME:          linkageName: "{{[^"]*}}[[DISCRIMINATOR]]
     // CHECK-SAME:          line: [[@LINE+2]]
-    // CHECK-SAME:          isLocal: true, isDefinition: true 
+    // CHECK-SAME:          spFlags: DISPFlagLocalToUnit | DISPFlagDefinition
     fileprivate func getMember() -> Int64 { return member.i }
   }
 }

test/DebugInfo/autoclosure.swift

@@ -21,7 +21,7 @@ func &&&&&(lhs: Bool, rhs: @autoclosure () -> Bool) -> Bool {
 func call_me(_ input: Int64) -> Void {
 // rdar://problem/14627460
 // An autoclosure should have a line number in the debug info and a scope line of 0.
-// CHECK-DAG: !DISubprogram({{.*}}linkageName: "$s11autoclosure7call_meyys5Int64VFSbyXEfu_",{{.*}} isLocal: true, isDefinition: true
+// CHECK-DAG: !DISubprogram({{.*}}linkageName: "$s11autoclosure7call_meyys5Int64VFSbyXEfu_",{{.*}} spFlags: DISPFlagLocalToUnit | DISPFlagDefinition
 // But not in the line table.
 // CHECK-DAG: ![[DBG]] = !DILocation(line: [[@LINE+1]],
   if input != 0 &&&&& ( get_truth (input * 2 + 1) > 0 ) {

test/DebugInfo/top_level_var.swift

@@ -10,4 +10,4 @@ markUsed(a)
 // CHECK: ![[MOD]] = !DIModule(scope: null, name: "top_level_var"
 // CHECK: ![[MAIN:.*]] = distinct !DISubprogram(name: "main",
 // CHECK-SAME:                                  line: 1
-// CHECK-SAME:                                  isDefinition: true
+// CHECK-SAME:                                  DISPFlagDefinition