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/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 33b0475..3bcf7d0 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -1021,19 +1021,6 @@
     // Attributes that should go on the call site only.
     if (!CodeGenOpts.SimplifyLibCalls)
       FuncAttrs.addAttribute(llvm::Attribute::NoBuiltin);
-  } else {
-    // Attributes that should go on the function, but not the call site.
-    if (!TargetOpts.CPU.empty())
-      FuncAttrs.addAttribute("target-cpu", TargetOpts.CPU);
-
-    if (TargetOpts.Features.size()) {
-      llvm::SubtargetFeatures Features;
-      for (std::vector<std::string>::const_iterator
-             it = TargetOpts.Features.begin(),
-             ie = TargetOpts.Features.end(); it != ie; ++it)
-        Features.AddFeature(*it);
-      FuncAttrs.addAttribute("target-features", Features.getString());
-    }
   }
 
   QualType RetTy = FI.getReturnType();
diff --git a/test/CodeGen/address-safety-attr.cpp b/test/CodeGen/address-safety-attr.cpp
index c9f6ddc..29ba5a8 100644
--- a/test/CodeGen/address-safety-attr.cpp
+++ b/test/CodeGen/address-safety-attr.cpp
@@ -47,15 +47,12 @@
 // Check that __cxx_global_var_init* get the sanitize_address attribute.
 int global1 = 0;
 int global2 = *(int*)((char*)&global1+1);
-// WITHOUT: @__cxx_global_var_init{{.*}}#[[GVI:[0-9]+]]
-// BL: @__cxx_global_var_init{{.*}}#[[GVI:[0-9]+]]
-// ASAN: @__cxx_global_var_init{{.*}}#[[GVI:[0-9]+]]
+// WITHOUT: @__cxx_global_var_init{{.*}}#[[NOATTR]]
+// BL: @__cxx_global_var_init{{.*}}#[[NOATTR]]
+// ASAN: @__cxx_global_var_init{{.*}}#[[WITH]]
 
 // WITHOUT: attributes #[[NOATTR]] = { nounwind{{.*}} }
-// WITHOUT: attributes #[[GVI]] = { nounwind{{.*}} }
 // BL: attributes #[[NOATTR]] = { nounwind{{.*}} }
-// BL: attributes #[[GVI]] = { nounwind{{.*}} }
 
 // ASAN: attributes #[[NOATTR]] = { nounwind{{.*}} }
 // ASAN: attributes #[[WITH]] = {{.*}}sanitize_address
-// ASAN: attributes #[[GVI]] = {{.*}}sanitize_address
diff --git a/test/CodeGen/function-attributes.c b/test/CodeGen/function-attributes.c
index 25ca916..8ad00fa 100644
--- a/test/CodeGen/function-attributes.c
+++ b/test/CodeGen/function-attributes.c
@@ -43,7 +43,7 @@
 
 // FIXME: We should be setting nounwind on calls.
 // CHECK: call i32 @f10_t()
-// CHECK: [[NUW_RN:#[0-9]+]]
+// CHECK: [[NUW]]
 // CHECK: {
 int __attribute__((const)) f10_t(void);
 int f10(void) { return f10_t(); }
@@ -119,8 +119,6 @@
 
 // CHECK: attributes [[NUW]] = { nounwind optsize readnone{{.*}} }
 // CHECK: attributes [[AI]] = { alwaysinline nounwind optsize readnone{{.*}} }
-// CHECK: attributes [[ALIGN]] = { nounwind optsize readnone alignstack=16{{.*}} }
-// CHECK: attributes [[RT]] = { nounwind optsize returns_twice{{.*}} }
 // CHECK: attributes [[NR]] = { noreturn nounwind optsize }
-// CHECK: attributes [[NUW_RN]] = { nounwind optsize readnone }
-// CHECK: attributes [[RT_CALL]] = { nounwind optsize returns_twice }
+// CHECK: attributes [[ALIGN]] = { nounwind optsize readnone alignstack=16{{.*}} }
+// CHECK: attributes [[RT]] = { nounwind optsize returns_twice }
diff --git a/test/CodeGen/libcalls.c b/test/CodeGen/libcalls.c
index d882b0e..8f8e182 100644
--- a/test/CodeGen/libcalls.c
+++ b/test/CodeGen/libcalls.c
@@ -24,9 +24,9 @@
 // CHECK-YES: declare float @sqrtf(float)
 // CHECK-YES: declare double @sqrt(double)
 // CHECK-YES: declare x86_fp80 @sqrtl(x86_fp80)
-// CHECK-NO: declare float @sqrtf(float) [[NUW_RN1:#[0-9]+]]
-// CHECK-NO: declare double @sqrt(double) [[NUW_RN1]]
-// CHECK-NO: declare x86_fp80 @sqrtl(x86_fp80) [[NUW_RN1]]
+// CHECK-NO: declare float @sqrtf(float) [[NUW_RN:#[0-9]+]]
+// CHECK-NO: declare double @sqrt(double) [[NUW_RN]]
+// CHECK-NO: declare x86_fp80 @sqrtl(x86_fp80) [[NUW_RN]]
 
 // CHECK-YES: define void @test_pow
 // CHECK-NO: define void @test_pow
@@ -81,9 +81,9 @@
   double atan_ = atan(d);
   long double atanl_ = atanl(ld);
   float atanf_ = atanf(f);
-// CHECK-NO: declare double @atan(double) [[NUW_RN1]]
-// CHECK-NO: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN1]]
-// CHECK-NO: declare float @atanf(float) [[NUW_RN1]]
+// CHECK-NO: declare double @atan(double) [[NUW_RN]]
+// CHECK-NO: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
+// CHECK-NO: declare float @atanf(float) [[NUW_RN]]
 // CHECK-YES-NOT: declare double @atan(double) [[NUW_RN]]
 // CHECK-YES-NOT: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
 // CHECK-YES-NOT: declare float @atanf(float) [[NUW_RN]]
@@ -91,9 +91,9 @@
   double atan2_ = atan2(d, 2);
   long double atan2l_ = atan2l(ld, ld);
   float atan2f_ = atan2f(f, f);
-// CHECK-NO: declare double @atan2(double, double) [[NUW_RN1]]
-// CHECK-NO: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN1]]
-// CHECK-NO: declare float @atan2f(float, float) [[NUW_RN1]]
+// CHECK-NO: declare double @atan2(double, double) [[NUW_RN]]
+// CHECK-NO: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
+// CHECK-NO: declare float @atan2f(float, float) [[NUW_RN]]
 // CHECK-YES-NOT: declare double @atan2(double, double) [[NUW_RN]]
 // CHECK-YES-NOT: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
 // CHECK-YES-NOT: declare float @atan2f(float, float) [[NUW_RN]]
@@ -101,9 +101,9 @@
   double exp_ = exp(d);
   long double expl_ = expl(ld);
   float expf_ = expf(f);
-// CHECK-NO: declare double @exp(double) [[NUW_RN1]]
-// CHECK-NO: declare x86_fp80 @expl(x86_fp80) [[NUW_RN1]]
-// CHECK-NO: declare float @expf(float) [[NUW_RN1]]
+// CHECK-NO: declare double @exp(double) [[NUW_RN]]
+// CHECK-NO: declare x86_fp80 @expl(x86_fp80) [[NUW_RN]]
+// CHECK-NO: declare float @expf(float) [[NUW_RN]]
 // CHECK-YES-NOT: declare double @exp(double) [[NUW_RN]]
 // CHECK-YES-NOT: declare x86_fp80 @expl(x86_fp80) [[NUW_RN]]
 // CHECK-YES-NOT: declare float @expf(float) [[NUW_RN]]
@@ -111,9 +111,9 @@
   double log_ = log(d);
   long double logl_ = logl(ld);
   float logf_ = logf(f);
-// CHECK-NO: declare double @log(double) [[NUW_RN1]]
-// CHECK-NO: declare x86_fp80 @logl(x86_fp80) [[NUW_RN1]]
-// CHECK-NO: declare float @logf(float) [[NUW_RN1]]
+// CHECK-NO: declare double @log(double) [[NUW_RN]]
+// CHECK-NO: declare x86_fp80 @logl(x86_fp80) [[NUW_RN]]
+// CHECK-NO: declare float @logf(float) [[NUW_RN]]
 // CHECK-YES-NOT: declare double @log(double) [[NUW_RN]]
 // CHECK-YES-NOT: declare x86_fp80 @logl(x86_fp80) [[NUW_RN]]
 // CHECK-YES-NOT: declare float @logf(float) [[NUW_RN]]
@@ -121,6 +121,5 @@
 
 // CHECK-YES: attributes [[NUW_RN]] = { nounwind readnone }
 
-// CHECK-NO: attributes [[NUW_RN1]] = { nounwind readnone{{.*}} }
+// CHECK-NO: attributes [[NUW_RN]] = { nounwind readnone{{.*}} }
 // CHECK-NO: attributes [[NUW_RO]] = { nounwind readonly }
-// CHECK-NO: attributes [[NUW_RN2]] = { nounwind readnone }
diff --git a/test/CodeGen/mips-vector-arg.c b/test/CodeGen/mips-vector-arg.c
index 3202ebd..6ffb043 100644
--- a/test/CodeGen/mips-vector-arg.c
+++ b/test/CodeGen/mips-vector-arg.c
@@ -8,26 +8,24 @@
 typedef float  v4sf __attribute__ ((__vector_size__ (16)));
 typedef int v4i32 __attribute__ ((__vector_size__ (16)));
 
-// O32: define void @test_v4sf(i32 %a1.coerce0, i32 %a1.coerce1, i32 %a1.coerce2, i32 %a1.coerce3, i32 %a2, i32, i32 %a3.coerce0, i32 %a3.coerce1, i32 %a3.coerce2, i32 %a3.coerce3) [[NUW1:#[0-9]+]]
+// O32: define void @test_v4sf(i32 %a1.coerce0, i32 %a1.coerce1, i32 %a1.coerce2, i32 %a1.coerce3, i32 %a2, i32, i32 %a3.coerce0, i32 %a3.coerce1, i32 %a3.coerce2, i32 %a3.coerce3) [[NUW:#[0-9]+]]
 // O32: declare i32 @test_v4sf_2(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
-// N64: define void @test_v4sf(i64 %a1.coerce0, i64 %a1.coerce1, i32 %a2, i64, i64 %a3.coerce0, i64 %a3.coerce1) [[NUW1:#[0-9]+]]
+// N64: define void @test_v4sf(i64 %a1.coerce0, i64 %a1.coerce1, i32 %a2, i64, i64 %a3.coerce0, i64 %a3.coerce1) [[NUW:#[0-9]+]]
 // N64: declare i32 @test_v4sf_2(i64, i64, i32, i64, i64, i64)
 extern test_v4sf_2(v4sf, int, v4sf);
 void test_v4sf(v4sf a1, int a2, v4sf a3) {
   test_v4sf_2(a3, a2, a1);
 }
 
-// O32: define void @test_v4i32(i32 %a1.coerce0, i32 %a1.coerce1, i32 %a1.coerce2, i32 %a1.coerce3, i32 %a2, i32, i32 %a3.coerce0, i32 %a3.coerce1, i32 %a3.coerce2, i32 %a3.coerce3) [[NUW2:#[0-9]+]]
+// O32: define void @test_v4i32(i32 %a1.coerce0, i32 %a1.coerce1, i32 %a1.coerce2, i32 %a1.coerce3, i32 %a2, i32, i32 %a3.coerce0, i32 %a3.coerce1, i32 %a3.coerce2, i32 %a3.coerce3) [[NUW]]
 // O32: declare i32 @test_v4i32_2(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
-// N64: define void @test_v4i32(i64 %a1.coerce0, i64 %a1.coerce1, i32 %a2, i64, i64 %a3.coerce0, i64 %a3.coerce1) [[NUW2:#[0-9]+]]
+// N64: define void @test_v4i32(i64 %a1.coerce0, i64 %a1.coerce1, i32 %a2, i64, i64 %a3.coerce0, i64 %a3.coerce1) [[NUW]]
 // N64: declare i32 @test_v4i32_2(i64, i64, i32, i64, i64, i64)
 extern test_v4i32_2(v4i32, int, v4i32);
 void test_v4i32(v4i32 a1, int a2, v4i32 a3) {
   test_v4i32_2(a3, a2, a1);
 }
 
-// O32: attributes [[NUW1]] = { nounwind{{.*}} }
-// O32: attributes [[NUW2]] = { nounwind{{.*}} }
+// O32: attributes [[NUW]] = { nounwind{{.*}} }
 
-// N64: attributes [[NUW1]] = { nounwind{{.*}} }
-// N64: attributes [[NUW2]] = { nounwind{{.*}} }
+// N64: attributes [[NUW]] = { nounwind{{.*}} }
diff --git a/test/CodeGen/sanitize-thread-attr.cpp b/test/CodeGen/sanitize-thread-attr.cpp
index 09f4db5..2dec3c4 100644
--- a/test/CodeGen/sanitize-thread-attr.cpp
+++ b/test/CodeGen/sanitize-thread-attr.cpp
@@ -46,15 +46,12 @@
 // Check that __cxx_global_var_init* get the sanitize_thread attribute.
 int global1 = 0;
 int global2 = *(int*)((char*)&global1+1);
-// WITHOUT: @__cxx_global_var_init{{.*}}#[[GVI:[0-9]+]]
-// BL: @__cxx_global_var_init{{.*}}#[[GVI:[0-9]+]]
-// TSAN: @__cxx_global_var_init{{.*}}#[[GVI:[0-9]+]]
+// WITHOUT: @__cxx_global_var_init{{.*}}#[[NOATTR]]
+// BL: @__cxx_global_var_init{{.*}}#[[NOATTR]]
+// TSAN: @__cxx_global_var_init{{.*}}#[[WITH]]
 
 // WITHOUT: attributes #[[NOATTR]] = { nounwind{{.*}} }
-// WITHOUT: attributes #[[GVI]] = { nounwind{{.*}} }
 // BL: attributes #[[NOATTR]] = { nounwind{{.*}} }
-// BL: attributes #[[GVI]] = { nounwind{{.*}} }
 
 // TSAN: attributes #[[NOATTR]] = { nounwind{{.*}} }
 // TSAN: attributes #[[WITH]] = { nounwind{{.*}} sanitize_thread
-// TSAN: attributes #[[GVI]] = { nounwind{{.*}} sanitize_thread
diff --git a/test/CodeGen/unwind-attr.c b/test/CodeGen/unwind-attr.c
index 2ffb5a8..1a7d3cd 100644
--- a/test/CodeGen/unwind-attr.c
+++ b/test/CodeGen/unwind-attr.c
@@ -3,7 +3,7 @@
 
 int opaque();
 
-// CHECK:       define [[INT:i.*]] @test0() [[NONE:#[0-9]+]] {
+// CHECK:       define [[INT:i.*]] @test0() {
 // CHECK-NOEXC: define [[INT:i.*]] @test0() [[NUW:#[0-9]+]] {
 int test0(void) {
   return opaque();
@@ -17,13 +17,12 @@
 }
 
 // <rdar://problem/8283071>: not for weak functions
-// CHECK:       define weak [[INT:i.*]] @test2() [[NONE]] {
+// CHECK:       define weak [[INT:i.*]] @test2() {
 // CHECK-NOEXC: define weak [[INT:i.*]] @test2() [[NUW]] {
 __attribute__((weak)) int test2(void) {
   return 0;
 }
 
-// CHECK: attributes [[NONE]] = { {{.*}} }
 // CHECK: attributes [[NUW]] = { nounwind{{.*}} }
 
 // CHECK-NOEXC: attributes [[NUW]] = { nounwind{{.*}} }
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{{.*}} }
diff --git a/test/CodeGenObjC/arc.m b/test/CodeGenObjC/arc.m
index 6ae352b..c5141a1 100644
--- a/test/CodeGenObjC/arc.m
+++ b/test/CodeGenObjC/arc.m
@@ -9,7 +9,7 @@
 // ARC-ALIEN: declare extern_weak void @objc_storeStrong(i8**, i8*)
 // ARC-ALIEN: declare extern_weak i8* @objc_retain(i8*)
 // ARC-ALIEN: declare extern_weak i8* @objc_autoreleaseReturnValue(i8*)
-// ARC-ALIEN: declare i8* @objc_msgSend(i8*, i8*, ...) #1
+// ARC-ALIEN: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB:#[0-9]+]]
 // ARC-ALIEN: declare extern_weak void @objc_release(i8*)
 // ARC-ALIEN: declare extern_weak i8* @objc_retainAutoreleasedReturnValue(i8*)
 // ARC-ALIEN: declare extern_weak i8* @objc_initWeak(i8**, i8*)
@@ -20,10 +20,10 @@
 // ARC-ALIEN: declare extern_weak i8* @objc_retainAutorelease(i8*)
 
 // ARC-NATIVE: declare void @objc_storeStrong(i8**, i8*)
-// ARC-NATIVE: declare i8* @objc_retain(i8*) #1
+// ARC-NATIVE: declare i8* @objc_retain(i8*) [[NLB:#[0-9]+]]
 // ARC-NATIVE: declare i8* @objc_autoreleaseReturnValue(i8*)
-// ARC-NATIVE: declare i8* @objc_msgSend(i8*, i8*, ...) #1
-// ARC-NATIVE: declare void @objc_release(i8*) #1
+// ARC-NATIVE: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB]]
+// ARC-NATIVE: declare void @objc_release(i8*) [[NLB]]
 // ARC-NATIVE: declare i8* @objc_retainAutoreleasedReturnValue(i8*)
 // ARC-NATIVE: declare i8* @objc_initWeak(i8**, i8*)
 // ARC-NATIVE: declare i8* @objc_storeWeak(i8**, i8*)
@@ -1484,7 +1484,5 @@
   };
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { nonlazybind }
-// CHECK: attributes #2 = { "target-features"={{.*}} }
-// CHECK: attributes [[NUW]] = { nounwind }
+// ARC-ALIEN: attributes [[NLB]] = { nonlazybind }
+// ARC-NATIVE: attributes [[NLB]] = { nonlazybind }
diff --git a/test/CodeGenObjC/gnu-exceptions.m b/test/CodeGenObjC/gnu-exceptions.m
index 3df92ef..4a046e2 100644
--- a/test/CodeGenObjC/gnu-exceptions.m
+++ b/test/CodeGenObjC/gnu-exceptions.m
@@ -6,7 +6,7 @@
 
 @class C;
 
-// CHECK: define void @test0() #0 {
+// CHECK: define void @test0() {
 void test0() {
   @try {
     // CHECK: invoke void @opaque()
@@ -30,6 +30,3 @@
 
   log(1);
 }
-
-// CHECK: attributes #0 = { "target-features"={{.*}} }
-// CHECK: attributes #1 = { nounwind readnone }
diff --git a/test/CodeGenObjC/nonlazy-msgSend.m b/test/CodeGenObjC/nonlazy-msgSend.m
index 157292e..0ae9f11 100644
--- a/test/CodeGenObjC/nonlazy-msgSend.m
+++ b/test/CodeGenObjC/nonlazy-msgSend.m
@@ -1,9 +1,8 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | FileCheck %s
 
-// CHECK: declare i8* @objc_msgSend(i8*, i8*, ...) #1
+// CHECK: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB:#[0-9]+]]
 void f0(id x) {
   [x foo];
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { nonlazybind }
+// CHECK: attributes [[NLB]] = { nonlazybind }
diff --git a/test/CodeGenObjC/objc-literal-debugger-test.m b/test/CodeGenObjC/objc-literal-debugger-test.m
index 437c99b..d4043aa 100644
--- a/test/CodeGenObjC/objc-literal-debugger-test.m
+++ b/test/CodeGenObjC/objc-literal-debugger-test.m
@@ -50,7 +50,6 @@
 #endif
 }
 
-// CHECK: declare i8* @objc_msgSend(i8*, i8*, ...) #1
+// CHECK: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB:#[0-9]+]]
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { nonlazybind }
+// CHECK: attributes [[NLB]] = { nonlazybind }
diff --git a/test/CodeGenObjC/objc-literal-tests.m b/test/CodeGenObjC/objc-literal-tests.m
index d991b96..c53ee64 100644
--- a/test/CodeGenObjC/objc-literal-tests.m
+++ b/test/CodeGenObjC/objc-literal-tests.m
@@ -53,7 +53,7 @@
 
 id NSUserName();
 
-// CHECK: define i32 @main() #0
+// CHECK: define i32 @main() [[NUW:#[0-9]+]]
 int main() {
   // CHECK: call{{.*}}@objc_msgSend{{.*}}i8 signext 97
   NSNumber *aNumber = @'a';
@@ -94,6 +94,4 @@
   bar(^(void) { return YES; });
 }
 
-// CHECK: attributes #0 = { nounwind "target-features"={{.*}} }
-// CHECK: attributes #1 = { nonlazybind }
-// CHECK: attributes #2 = { "target-features"={{.*}} }
+// CHECK: attributes [[NUW]] = { nounwind{{.*}} }
diff --git a/test/CodeGenObjCXX/lambda-expressions.mm b/test/CodeGenObjCXX/lambda-expressions.mm
index ddc24a3..7c1e2e4 100644
--- a/test/CodeGenObjCXX/lambda-expressions.mm
+++ b/test/CodeGenObjCXX/lambda-expressions.mm
@@ -25,24 +25,19 @@
 fp global;
 void f2() { global = []{ return 3; }; }
 
-// MRC: define void @_Z2f2v() #1 {
+// MRC: define void @_Z2f2v() [[NUW:#[0-9]+]] {
 // MRC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*),
 // MRC-NOT: call
 // MRC: ret void
 // ("global" contains a dangling pointer after this function runs.)
 
-// ARC: define void @_Z2f2v() #1 {
+// ARC: define void @_Z2f2v() [[NUW:#[0-9]+]] {
 // ARC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*),
 // ARC: call i8* @objc_retainBlock
 // ARC: call void @objc_release
 // ARC: define internal i32 @___Z2f2v_block_invoke
 // ARC: call i32 @"_ZZ2f2vENK3$_1clEv
 
-// ARC: attributes #0 = { "target-features"={{.*}} }
-// ARC: attributes #1 = { nounwind "target-features"={{.*}} }
-// ARC: attributes #2 = { inlinehint nounwind "target-features"={{.*}} }
+// ARC: attributes [[NUW]] = { nounwind{{.*}} }
 
-// MRC: attributes #0 = { "target-features"={{.*}} }
-// MRC: attributes #1 = { nounwind "target-features"={{.*}} }
-// MRC: attributes #2 = { inlinehint nounwind "target-features"={{.*}} }
-// MRC: attributes #3 = { nonlazybind }
+// MRC: attributes [[NUW]] = { nounwind{{.*}} }
diff --git a/test/Driver/darwin-iphone-defaults.m b/test/Driver/darwin-iphone-defaults.m
index bb324c6..4f24d17 100644
--- a/test/Driver/darwin-iphone-defaults.m
+++ b/test/Driver/darwin-iphone-defaults.m
@@ -26,5 +26,5 @@
   [I1 alloc];
 }
 
-// CHECK: attributes #0 = { ssp "target-cpu"="cortex-a8" "target-features"="+neon" }
+// CHECK: attributes #0 = { ssp{{.*}} }
 // CHECK: attributes #1 = { nonlazybind }