IR: Make metadata typeless in assembly, clang side

Match LLVM changes from r224257.

llvm-svn: 224259
diff --git a/clang/test/CodeGenCXX/debug-info-scope.cpp b/clang/test/CodeGenCXX/debug-info-scope.cpp
index 8957e60..f72c4aa 100644
--- a/clang/test/CodeGenCXX/debug-info-scope.cpp
+++ b/clang/test/CodeGenCXX/debug-info-scope.cpp
@@ -9,47 +9,47 @@
 void f();
 
 void func() {
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[IF1:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
-  // CHECK: [[IF1]] = metadata !{metadata !"0xb\00[[@LINE+1]]\00{{.*}}", metadata !{{.*}}} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[IF1:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
+  // CHECK: [[IF1]] = !{!"0xb\00[[@LINE+1]]\00{{.*}}", !{{.*}}} ; [ DW_TAG_lexical_block ]
   if (int i = src())
     f();
 
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[IF2:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
-  // CHECK: [[IF2]] = metadata !{metadata !"0xb\00[[@LINE+1]]\00{{.*}}", metadata !{{.*}}} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[IF2:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
+  // CHECK: [[IF2]] = !{!"0xb\00[[@LINE+1]]\00{{.*}}", !{{.*}}} ; [ DW_TAG_lexical_block ]
   if (int i = src()) {
     f();
   } else
     f();
 
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
-  // CHECK: [[FOR]] = metadata !{metadata !"0xb\00[[@LINE+1]]\00{{.*}}", metadata !{{.*}}} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
+  // CHECK: [[FOR]] = !{!"0xb\00[[@LINE+1]]\00{{.*}}", !{{.*}}} ; [ DW_TAG_lexical_block ]
   for (int i = 0;
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[FOR_BODY:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [b] [line [[@LINE+6]]]
+  // CHECK: = !{!"0x100\00{{.*}}", [[FOR_BODY:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [b] [line [[@LINE+6]]]
   // The scope could be located at 'bool b', but LLVM drops line information for
   // scopes anyway, so it's not terribly important.
   // FIXME: change the debug info schema to not include locations of scopes,
   // since they're not used.
-  // CHECK: [[FOR_BODY]] = metadata !{metadata !"0xb\00[[@LINE-6]]\00{{.*}}", metadata !{{.*}}} ; [ DW_TAG_lexical_block ]
+  // CHECK: [[FOR_BODY]] = !{!"0xb\00[[@LINE-6]]\00{{.*}}", !{{.*}}} ; [ DW_TAG_lexical_block ]
        bool b = i != 10; ++i)
     f();
 
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
-  // CHECK: [[FOR]] = metadata !{metadata !"0xb\00[[@LINE+1]]\00{{.*}}", metadata !{{.*}}} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
+  // CHECK: [[FOR]] = !{!"0xb\00[[@LINE+1]]\00{{.*}}", !{{.*}}} ; [ DW_TAG_lexical_block ]
   for (int i = 0; i != 10; ++i) {
   // FIXME: Do not include scopes that have only other scopes (and no variables
   // or using declarations) as direct children, they just waste
   // space/relocations/etc.
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[FOR_COMPOUND:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [b] [line [[@LINE+3]]]
-  // CHECK: [[FOR_COMPOUND]] = metadata !{metadata !"0xb\00[[@LINE-5]]\00{{.*}}", metadata !{{[0-9]+}}, metadata [[FOR_BODY:![0-9]+]]} ; [ DW_TAG_lexical_block ]
-  // CHECK: [[FOR_BODY]] = metadata !{metadata !"0xb\00[[@LINE-6]]\00{{.*}}", metadata !{{[0-9]+}}, metadata [[FOR]]} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[FOR_COMPOUND:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [b] [line [[@LINE+3]]]
+  // CHECK: [[FOR_COMPOUND]] = !{!"0xb\00[[@LINE-5]]\00{{.*}}", !{{[0-9]+}}, [[FOR_BODY:![0-9]+]]} ; [ DW_TAG_lexical_block ]
+  // CHECK: [[FOR_BODY]] = !{!"0xb\00[[@LINE-6]]\00{{.*}}", !{{[0-9]+}}, [[FOR]]} ; [ DW_TAG_lexical_block ]
     bool b = i % 2;
   }
 
   int x[] = {1, 2};
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[RANGE_FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [__range] [line 0]
-  // CHECK: [[RANGE_FOR]] = metadata !{metadata !"0xb\00[[@LINE+1]]\00{{.*}}", metadata !{{.*}}} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[RANGE_FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [__range] [line 0]
+  // CHECK: [[RANGE_FOR]] = !{!"0xb\00[[@LINE+1]]\00{{.*}}", !{{.*}}} ; [ DW_TAG_lexical_block ]
   for (int i : x) {
-  // CHECK: = metadata !{metadata !"0x100\00{{.*}}", metadata [[RANGE_FOR_BODY:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE-1]]]
-  // CHECK: [[RANGE_FOR_BODY]] = metadata !{metadata !"0xb\00[[@LINE-2]]\00{{.*}}", metadata !{{[0-9]+}}, metadata [[RANGE_FOR]]} ; [ DW_TAG_lexical_block ]
+  // CHECK: = !{!"0x100\00{{.*}}", [[RANGE_FOR_BODY:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE-1]]]
+  // CHECK: [[RANGE_FOR_BODY]] = !{!"0xb\00[[@LINE-2]]\00{{.*}}", !{{[0-9]+}}, [[RANGE_FOR]]} ; [ DW_TAG_lexical_block ]
   }
 }