Reapply r176133 with testcase fixes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176145 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/2009-05-04-PureConstNounwind.cpp b/test/CodeGenCXX/2009-05-04-PureConstNounwind.cpp
index fc0d3f6..6b61d92 100644
--- a/test/CodeGenCXX/2009-05-04-PureConstNounwind.cpp
+++ b/test/CodeGenCXX/2009-05-04-PureConstNounwind.cpp
@@ -3,19 +3,16 @@
 int p(void) __attribute__((pure));
 int t(void);
 
-// CHECK: define i32 @_Z1fv() {{.*}} {
+// CHECK: define i32 @_Z1fv() {
 int f(void) {
   // CHECK: call i32 @_Z1cv() [[NUW_RN:#[0-9]+]]
   // CHECK: call i32 @_Z1pv() [[NUW_RO:#[0-9]+]]
   return c() + p() + t();
 }
 
-// CHECK: declare i32 @_Z1cv() #1
-// CHECK: declare i32 @_Z1pv() #2
-// CHECK: declare i32 @_Z1tv() #0
+// CHECK: declare i32 @_Z1cv() #0
+// CHECK: declare i32 @_Z1pv() #1
+// CHECK: declare i32 @_Z1tv()
 
-// CHECK: attributes #0 = { "target-features"={{.*}} }
-// CHECK: attributes #1 = { nounwind readnone "target-features"={{.*}} }
-// CHECK: attributes #2 = { nounwind readonly "target-features"={{.*}} }
 // CHECK: attributes [[NUW_RN]] = { nounwind readnone }
 // CHECK: attributes [[NUW_RO]] = { nounwind readonly }
diff --git a/test/CodeGenCXX/attr.cpp b/test/CodeGenCXX/attr.cpp
index 238019c..6db214e 100644
--- a/test/CodeGenCXX/attr.cpp
+++ b/test/CodeGenCXX/attr.cpp
@@ -2,7 +2,7 @@
 
 // CHECK: @test2 = alias i32 ()* @_Z5test1v
 
-// CHECK: define i32 @_Z3foov() #0 align 1024
+// CHECK: define i32 @_Z3foov() [[NUW:#[0-9]+]] align 1024
 int foo() __attribute__((aligned(1024)));
 int foo() { }
 
@@ -13,16 +13,16 @@
   void bar4() __attribute__((aligned(1024)));
 } c;
 
-// CHECK: define void @_ZN1C4bar1Ev(%class.C* %this) unnamed_addr #0 align 2
+// CHECK: define void @_ZN1C4bar1Ev(%class.C* %this) unnamed_addr [[NUW]] align 2
 void C::bar1() { }
 
-// CHECK: define void @_ZN1C4bar2Ev(%class.C* %this) unnamed_addr #0 align 2
+// CHECK: define void @_ZN1C4bar2Ev(%class.C* %this) unnamed_addr [[NUW]] align 2
 void C::bar2() { }
 
-// CHECK: define void @_ZN1C4bar3Ev(%class.C* %this) unnamed_addr #0 align 1024
+// CHECK: define void @_ZN1C4bar3Ev(%class.C* %this) unnamed_addr [[NUW]] align 1024
 void C::bar3() { }
 
-// CHECK: define void @_ZN1C4bar4Ev(%class.C* %this) #0 align 1024
+// CHECK: define void @_ZN1C4bar4Ev(%class.C* %this) [[NUW]] align 1024
 void C::bar4() { }
 
 // PR6635
@@ -31,7 +31,4 @@
 // CHECK at top of file
 extern "C" int test2() __attribute__((alias("_Z5test1v")));
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { noreturn nounwind }
-// CHECK: attributes #2 = { nounwind }
-// CHECK: attributes #3 = { inlinehint nounwind "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/cxx11-exception-spec.cpp b/test/CodeGenCXX/cxx11-exception-spec.cpp
index 3942ab7..5fd1fd8 100644
--- a/test/CodeGenCXX/cxx11-exception-spec.cpp
+++ b/test/CodeGenCXX/cxx11-exception-spec.cpp
@@ -10,99 +10,99 @@
   static void g() noexcept(sizeof(T) == 4);
 };
 
-// CHECK: define {{.*}} @_Z1fIsEvv() #0 {
+// CHECK: define {{.*}} @_Z1fIsEvv() {
 template<> void f<short>() { h(); }
-// CHECK: define {{.*}} @_Z1fIA2_sEvv() #1 {
+// CHECK: define {{.*}} @_Z1fIA2_sEvv() [[NUW:#[0-9]+]] {
 template<> void f<short[2]>() noexcept { h(); }
 
 // CHECK: define {{.*}} @_ZN1SIsE1fEv()
-// CHECK-NOT: #1
+// CHECK-NOT: [[NUW]]
 template<> void S<short>::f() { h(); }
-// CHECK: define {{.*}} @_ZN1SIA2_sE1fEv() #1
+// CHECK: define {{.*}} @_ZN1SIA2_sE1fEv() [[NUW]]
 template<> void S<short[2]>::f() noexcept { h(); }
 
-// CHECK: define {{.*}} @_Z1fIDsEvv() #0 {
+// CHECK: define {{.*}} @_Z1fIDsEvv() {
 template void f<char16_t>();
-// CHECK: define {{.*}} @_Z1fIA2_DsEvv() #1  {
+// CHECK: define {{.*}} @_Z1fIA2_DsEvv() [[NUW]]  {
 template void f<char16_t[2]>();
 
 // CHECK: define {{.*}} @_ZN1SIDsE1fEv()
-// CHECK-NOT: #1
+// CHECK-NOT: [[NUW]]
 template void S<char16_t>::f();
-// CHECK: define {{.*}} @_ZN1SIA2_DsE1fEv() #1
+// CHECK: define {{.*}} @_ZN1SIA2_DsE1fEv() [[NUW]]
 template void S<char16_t[2]>::f();
 
 void h() {
-  // CHECK: define {{.*}} @_Z1fIiEvv() #1 {
+  // CHECK: define {{.*}} @_Z1fIiEvv() [[NUW]] {
   f<int>();
-  // CHECK: define {{.*}} @_Z1fIA2_iEvv() #0 {
+  // CHECK: define {{.*}} @_Z1fIA2_iEvv() {
   f<int[2]>();
 
-  // CHECK: define {{.*}} @_ZN1SIiE1fEv() #1
+  // CHECK: define {{.*}} @_ZN1SIiE1fEv() [[NUW]]
   S<int>::f();
   // CHECK: define {{.*}} @_ZN1SIA2_iE1fEv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   S<int[2]>::f();
 
-  // CHECK: define {{.*}} @_Z1fIfEvv() #1 {
+  // CHECK: define {{.*}} @_Z1fIfEvv() [[NUW]] {
   void (*f1)() = &f<float>;
-  // CHECK: define {{.*}} @_Z1fIdEvv() #0 {
+  // CHECK: define {{.*}} @_Z1fIdEvv() {
   void (*f2)() = &f<double>;
 
-  // CHECK: define {{.*}} @_ZN1SIfE1fEv() #1
+  // CHECK: define {{.*}} @_ZN1SIfE1fEv() [[NUW]]
   void (*f3)() = &S<float>::f;
   // CHECK: define {{.*}} @_ZN1SIdE1fEv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   void (*f4)() = &S<double>::f;
 
-  // CHECK: define {{.*}} @_Z1fIA4_cEvv() #1 {
+  // CHECK: define {{.*}} @_Z1fIA4_cEvv() [[NUW]] {
   (void)&f<char[4]>;
-  // CHECK: define {{.*}} @_Z1fIcEvv() #0 {
+  // CHECK: define {{.*}} @_Z1fIcEvv() {
   (void)&f<char>;
 
-  // CHECK: define {{.*}} @_ZN1SIA4_cE1fEv() #1
+  // CHECK: define {{.*}} @_ZN1SIA4_cE1fEv() [[NUW]]
   (void)&S<char[4]>::f;
   // CHECK: define {{.*}} @_ZN1SIcE1fEv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   (void)&S<char>::f;
 }
 
 // CHECK: define {{.*}} @_Z1iv
 void i() {
-  // CHECK: declare {{.*}} @_Z1gIiEvv() #1
+  // CHECK: declare {{.*}} @_Z1gIiEvv() [[NUW]]
   g<int>();
   // CHECK: declare {{.*}} @_Z1gIA2_iEvv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   g<int[2]>();
 
-  // CHECK: declare {{.*}} @_ZN1SIiE1gEv() #1
+  // CHECK: declare {{.*}} @_ZN1SIiE1gEv() [[NUW]]
   S<int>::g();
   // CHECK: declare {{.*}} @_ZN1SIA2_iE1gEv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   S<int[2]>::g();
 
-  // CHECK: declare {{.*}} @_Z1gIfEvv() #1
+  // CHECK: declare {{.*}} @_Z1gIfEvv() [[NUW]]
   void (*g1)() = &g<float>;
   // CHECK: declare {{.*}} @_Z1gIdEvv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   void (*g2)() = &g<double>;
 
-  // CHECK: declare {{.*}} @_ZN1SIfE1gEv() #1
+  // CHECK: declare {{.*}} @_ZN1SIfE1gEv() [[NUW]]
   void (*g3)() = &S<float>::g;
   // CHECK: declare {{.*}} @_ZN1SIdE1gEv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   void (*g4)() = &S<double>::g;
 
-  // CHECK: declare {{.*}} @_Z1gIA4_cEvv() #1
+  // CHECK: declare {{.*}} @_Z1gIA4_cEvv() [[NUW]]
   (void)&g<char[4]>;
   // CHECK: declare {{.*}} @_Z1gIcEvv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   (void)&g<char>;
 
-  // CHECK: declare {{.*}} @_ZN1SIA4_cE1gEv() #1
+  // CHECK: declare {{.*}} @_ZN1SIA4_cE1gEv() [[NUW]]
   (void)&S<char[4]>::g;
   // CHECK: declare {{.*}} @_ZN1SIcE1gEv()
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   (void)&S<char>::g;
 }
 
@@ -113,12 +113,10 @@
 // CHECK: define {{.*}} @_Z1jv
 void j() {
   // CHECK: declare {{.*}} @_ZN6NestedIiE1fILb1EcEEvv(
-  // CHECK-NOT: #1
+  // CHECK-NOT: [[NUW]]
   Nested<int>().f<true, char>();
-  // CHECK: declare {{.*}} @_ZN6NestedIlE1fILb0ElEEvv({{.*}}) #1
+  // CHECK: declare {{.*}} @_ZN6NestedIlE1fILb0ElEEvv({{.*}}) [[NUW]]
   Nested<long>().f<false, long>();
 }
 
-// CHECK: attributes #0 = { "target-features"={{.*}} }
-// CHECK: attributes #1 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #2 = { noinline noreturn nounwind }
+// CHECK: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/default-destructor-synthesis.cpp b/test/CodeGenCXX/default-destructor-synthesis.cpp
index d5f5721..f9e13eb 100644
--- a/test/CodeGenCXX/default-destructor-synthesis.cpp
+++ b/test/CodeGenCXX/default-destructor-synthesis.cpp
@@ -35,4 +35,4 @@
   return count;
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
+// CHECK: attributes #0 = { nounwind{{.*}} }
diff --git a/test/CodeGenCXX/derived-to-base.cpp b/test/CodeGenCXX/derived-to-base.cpp
index 1c9cdbc..fa03fee 100644
--- a/test/CodeGenCXX/derived-to-base.cpp
+++ b/test/CodeGenCXX/derived-to-base.cpp
@@ -46,5 +46,4 @@
   }
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { "target-features"={{.*}} }
+// CHECK: attributes #0 = { nounwind{{.*}} }
diff --git a/test/CodeGenCXX/dynamic-cast.cpp b/test/CodeGenCXX/dynamic-cast.cpp
index 016cfb1..fe85e21 100644
--- a/test/CodeGenCXX/dynamic-cast.cpp
+++ b/test/CodeGenCXX/dynamic-cast.cpp
@@ -17,6 +17,7 @@
   return fail;
 }
 
-// CHECK: declare i8* @__dynamic_cast(i8*, i8*, i8*, i64) #2
+// CHECK: declare i8* @__dynamic_cast(i8*, i8*, i8*, i64) [[NUW_RO:#[0-9]+]]
 
+// CHECK: attributes [[NUW_RO]] = { nounwind readonly }
 // CHECK: attributes [[NR]] = { noreturn }
diff --git a/test/CodeGenCXX/exceptions.cpp b/test/CodeGenCXX/exceptions.cpp
index ac52d70..fb0a9b2 100644
--- a/test/CodeGenCXX/exceptions.cpp
+++ b/test/CodeGenCXX/exceptions.cpp
@@ -71,7 +71,7 @@
 
   //   rdar://11904428
   //   Terminate landing pads should call __cxa_begin_catch first.
-  // CHECK:      define linkonce_odr hidden void @__clang_call_terminate(i8*) #2
+  // CHECK:      define linkonce_odr hidden void @__clang_call_terminate(i8*) [[NI_NR_NUW:#[0-9]+]]
   // CHECK-NEXT:   [[T0:%.*]] = call i8* @__cxa_begin_catch(i8* %0) [[NUW:#[0-9]+]]
   // CHECK-NEXT:   call void @_ZSt9terminatev() [[NR_NUW:#[0-9]+]]
   // CHECK-NEXT:   unreachable
@@ -526,10 +526,6 @@
   //   (After this is a terminate landingpad.)
 }
 
-// CHECK: attributes #0 = { "target-features"={{.*}} }
-// CHECK: attributes #1 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #2 = { noinline noreturn nounwind }
-// CHECK: attributes #3 = { nounwind readnone }
-
 // CHECK: attributes [[NUW]] = { nounwind }
+// CHECK: attributes [[NI_NR_NUW]] = { noinline noreturn nounwind }
 // CHECK: attributes [[NR_NUW]] = { noreturn nounwind }
diff --git a/test/CodeGenCXX/global-dtor-no-atexit.cpp b/test/CodeGenCXX/global-dtor-no-atexit.cpp
index 40be07a..0b323e9 100644
--- a/test/CodeGenCXX/global-dtor-no-atexit.cpp
+++ b/test/CodeGenCXX/global-dtor-no-atexit.cpp
@@ -44,5 +44,3 @@
 }
 
 // CHECK: attributes #0 = { nounwind }
-// CHECK: attributes #1 = { "target-features"={{.*}} }
-// CHECK: attributes #2 = { nounwind "target-features"={{.*}} }
diff --git a/test/CodeGenCXX/global-init.cpp b/test/CodeGenCXX/global-init.cpp
index ddad2d2..426cf9c 100644
--- a/test/CodeGenCXX/global-init.cpp
+++ b/test/CodeGenCXX/global-init.cpp
@@ -200,15 +200,6 @@
 // CHECK:   call void [[TEST1_Z_INIT]]
 
 // rdar://problem/8090834: this should be nounwind
-// CHECK-NOEXC: define internal void @_GLOBAL__I_a() #0 section "__TEXT,__StaticInit,regular,pure_instructions" {
+// CHECK-NOEXC: define internal void @_GLOBAL__I_a() [[NUW:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" {
 
-// CHECK: attributes #0 = { "target-features"={{.*}} }
-// CHECK: attributes #1 = { nounwind }
-// CHECK: attributes #2 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #3 = { noinline noreturn nounwind }
-// CHECK: attributes #4 = { nounwind readonly }
-
-// CHECK-NOEXC: attributes #0 = { nounwind }
-// CHECK-NOEXC: attributes #1 = { "target-features"={{.*}} }
-// CHECK-NOEXC: attributes #2 = { nounwind "target-features"={{.*}} }
-// CHECK-NOEXC: attributes #3 = { nounwind readonly }
+// CHECK-NOEXC: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/member-initializers.cpp b/test/CodeGenCXX/member-initializers.cpp
index 9a5a79f..69a63b2 100644
--- a/test/CodeGenCXX/member-initializers.cpp
+++ b/test/CodeGenCXX/member-initializers.cpp
@@ -32,4 +32,4 @@
   return A(2).i;
 }
 
-// CHECK: attributes #0 = { nounwind readnone "target-features"={{.*}} }
+// CHECK: attributes #0 = { nounwind readnone{{.*}} }
diff --git a/test/CodeGenCXX/microsoft-abi-array-cookies.cpp b/test/CodeGenCXX/microsoft-abi-array-cookies.cpp
index 31533dd..c0bbbaf 100644
--- a/test/CodeGenCXX/microsoft-abi-array-cookies.cpp
+++ b/test/CodeGenCXX/microsoft-abi-array-cookies.cpp
@@ -58,5 +58,4 @@
 // CHECK: getelementptr inbounds i8* [[ARRAY_AS_CHAR]], i64 -8
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { "target-features"={{.*}} }
+// CHECK: attributes #0 = { nounwind{{.*}} }
diff --git a/test/CodeGenCXX/microsoft-abi-static-initializers.cpp b/test/CodeGenCXX/microsoft-abi-static-initializers.cpp
index 112228a..35e343b 100644
--- a/test/CodeGenCXX/microsoft-abi-static-initializers.cpp
+++ b/test/CodeGenCXX/microsoft-abi-static-initializers.cpp
@@ -5,12 +5,12 @@
   ~S() {}
 } s;
 
-// CHECK: define internal void [[INIT_s:@.*global_var.*]] #0
+// CHECK: define internal void [[INIT_s:@.*global_var.*]] [[NUW:#[0-9]+]]
 // CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %struct.S* @"\01??0S@@QAE@XZ"
 // CHECK: call i32 @atexit(void ()* @"__dtor_\01?s@@3US@@A")
 // CHECK: ret void
 
-// CHECK: define internal void @"__dtor_\01?s@@3US@@A"() #0 {
+// CHECK: define internal void @"__dtor_\01?s@@3US@@A"() [[NUW]] {
 // CHECK: call x86_thiscallcc void @"\01??1S@@QAE@XZ"
 // CHECK: ret void
 
@@ -33,7 +33,7 @@
   (void)B<int>::foo;  // (void) - force usage
 }
 
-// CHECK: define internal void [[INIT_foo:@.*global_var.*]] #0
+// CHECK: define internal void [[INIT_foo:@.*global_var.*]] [[NUW]]
 // CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ"
 // CHECK: call i32 @atexit(void ()* [[FOO_DTOR:@"__dtor_.*foo@.*]])
 // CHECK: ret void
@@ -46,10 +46,9 @@
 // CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"{{.*}}foo
 // CHECK: ret void
 
-// CHECK: define internal void @_GLOBAL__I_a() #0 {
+// CHECK: define internal void @_GLOBAL__I_a() [[NUW]] {
 // CHECK: call void [[INIT_s]]
 // CHECK: call void [[INIT_foo]]
 // CHECK: ret void
 
-// CHECK: attributes #0 = { nounwind }
-// CHECK: attributes #1 = { nounwind "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/no-exceptions.cpp b/test/CodeGenCXX/no-exceptions.cpp
index 4264953..ecc5201 100644
--- a/test/CodeGenCXX/no-exceptions.cpp
+++ b/test/CodeGenCXX/no-exceptions.cpp
@@ -2,7 +2,7 @@
 
 void g();
 
-// CHECK: define void @_Z1fv() #0
+// CHECK: define void @_Z1fv() [[NUW:#[0-9]+]]
 void f() throw (int) { 
 
   // CHECK-NOT: invoke void @_Z1gv
@@ -11,5 +11,4 @@
   // CHECK: ret void
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/pointers-to-data-members.cpp b/test/CodeGenCXX/pointers-to-data-members.cpp
index a69093f..841209e 100644
--- a/test/CodeGenCXX/pointers-to-data-members.cpp
+++ b/test/CodeGenCXX/pointers-to-data-members.cpp
@@ -151,13 +151,13 @@
   A() : a() {}
 };
 
-// CHECK-O3: define zeroext i1 @_ZN6PR71395checkEv() #0
+// CHECK-O3: define zeroext i1 @_ZN6PR71395checkEv() [[NUW_RO:#[0-9]+]]
 bool check() {
   // CHECK-O3: ret i1 true
   return A().a.data == 0;
 }
 
-// CHECK-O3: define zeroext i1 @_ZN6PR71396check2Ev() #0
+// CHECK-O3: define zeroext i1 @_ZN6PR71396check2Ev() [[NUW_RO]]
 bool check2() {
   // CHECK-O3: ret i1 true
   return ptr_to_member_type() == 0;
@@ -255,7 +255,4 @@
   // CHECK: call void @_ZN7PR130971XC1ERKS0_
 }
 
-// CHECK-O3: attributes #0 = { nounwind readnone "target-features"={{.*}} }
-// CHECK-O3: attributes #1 = { nounwind "target-features"={{.*}} }
-// CHECK-O3: attributes #2 = { "target-features"={{.*}} }
-// CHECK-O3: attributes #3 = { nounwind }
+// CHECK-O3: attributes [[NUW_RO]] = { nounwind readnone{{.*}} }
diff --git a/test/CodeGenCXX/reference-cast.cpp b/test/CodeGenCXX/reference-cast.cpp
index ec4fdaf..f440cf5 100644
--- a/test/CodeGenCXX/reference-cast.cpp
+++ b/test/CodeGenCXX/reference-cast.cpp
@@ -3,7 +3,7 @@
 // PR6024
 extern int i;
 
-// CHECK: define i32* @_Z16lvalue_noop_castv() #0
+// CHECK: define i32* @_Z16lvalue_noop_castv() [[NUW:#[0-9]+]]
 const int &lvalue_noop_cast() {
   if (i == 0)
     // CHECK: store i32 17, i32*
@@ -193,5 +193,4 @@
   // CHECK: store i64
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/threadsafe-statics.cpp b/test/CodeGenCXX/threadsafe-statics.cpp
index a28d0fc..9e6550d 100644
--- a/test/CodeGenCXX/threadsafe-statics.cpp
+++ b/test/CodeGenCXX/threadsafe-statics.cpp
@@ -6,7 +6,7 @@
 // WITH-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
 // WITH-TSS: @_ZGVZ1gvE1a = internal global i64 0
 
-// WITH-TSS: define void @_Z1gv() #0
+// WITH-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
 // WITH-TSS: call i32 @__cxa_guard_acquire
 // WITH-TSS: call void @__cxa_guard_release
 // WITH-TSS: ret void
@@ -17,14 +17,11 @@
 // NO-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
 // NO-TSS: @_ZGVZ1gvE1a = internal global i8 0
 
-// NO-TSS: define void @_Z1gv() #0
+// NO-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
 // NO-TSS-NOT: call i32 @__cxa_guard_acquire
 // NO-TSS-NOT: call void @__cxa_guard_release
 // NO-TSS: ret void
 
-// WITH-TSS: attributes #0 = { nounwind "target-features"={{.*}} }
-// WITH-TSS: attributes #1 = { nounwind }
-// WITH-TSS: attributes #2 = { "target-features"={{.*}} }
+// WITH-TSS: attributes [[NUW]] = { nounwind }
 
-// NO-TSS: attributes #0 = { nounwind "target-features"={{.*}} }
-// NO-TSS: attributes #1 = { "target-features"={{.*}} }
+// NO-TSS: attributes [[NUW]] = { nounwind }
diff --git a/test/CodeGenCXX/thunks.cpp b/test/CodeGenCXX/thunks.cpp
index 7060708..6e58830 100644
--- a/test/CodeGenCXX/thunks.cpp
+++ b/test/CodeGenCXX/thunks.cpp
@@ -339,7 +339,7 @@
   };
   void C::f() {
   }
-  // CHECK: define void @_ZThn8_N6Test141C1fEv({{.*}}) unnamed_addr #0
+  // CHECK: define void @_ZThn8_N6Test141C1fEv({{.*}}) unnamed_addr [[NUW:#[0-9]+]]
 }
 
 /**** The following has to go at the end of the file ****/
@@ -348,7 +348,4 @@
 // CHECK: define linkonce_odr void @_ZTv0_n24_N5Test51B1fEv
 // CHECK: define internal void @_ZThn8_N6Test4B12_GLOBAL__N_11C1fEv(
 
-// CHECK: attributes #0 = { nounwind uwtable "target-features"={{.*}} }
-// CHECK: attributes #1 = { inlinehint nounwind uwtable "target-features"={{.*}} }
-// CHECK: attributes #2 = { "target-features"={{.*}} }
-// CHECK: attributes #3 = { nounwind "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind uwtable{{.*}} }
diff --git a/test/CodeGenCXX/virtual-base-cast.cpp b/test/CodeGenCXX/virtual-base-cast.cpp
index 5cf3b87..f469636 100644
--- a/test/CodeGenCXX/virtual-base-cast.cpp
+++ b/test/CodeGenCXX/virtual-base-cast.cpp
@@ -11,25 +11,25 @@
 D* x;
 
 A* a() { return x; }
-// CHECK: @_Z1av() #0
+// CHECK: @_Z1av() [[NUW:#[0-9]+]]
 // CHECK: [[VBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -16
 // CHECK: [[CASTVBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRA]] to i32*
 // CHECK: load i32* [[CASTVBASEOFFSETPTRA]]
 // CHECK: }
 
 B* b() { return x; }
-// CHECK: @_Z1bv() #0
+// CHECK: @_Z1bv() [[NUW]]
 // CHECK: [[VBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -20
 // CHECK: [[CASTVBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRA]] to i32*
 // CHECK: load i32* [[CASTVBASEOFFSETPTRA]]
 // CHECK: }
 
 BB* c() { return x; }
-// CHECK: @_Z1cv() #0
+// CHECK: @_Z1cv() [[NUW]]
 // CHECK: [[VBASEOFFSETPTRC:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -24
 // CHECK: [[CASTVBASEOFFSETPTRC:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRC]] to i32*
 // CHECK: [[VBASEOFFSETC:%[a-zA-Z0-9\.]+]] = load i32* [[CASTVBASEOFFSETPTRC]]
 // CHECK: add i32 [[VBASEOFFSETC]], 8
 // CHECK: }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind{{.*}} }