================
@@ -0,0 +1,24 @@
+// Verify there is a space after the parens when priting callingconv 
attributes.
+// RUN: %clang_cc1 -DDEVICE -triple spirv64 -ast-dump -ast-dump-filter foo %s \
+// RUN: | FileCheck -check-prefix=CHECK-DEVICE --strict-whitespace %s
+
+// RUN: %clang_cc1 -DVECTOR -triple aarch64 -ast-dump -ast-dump-filter foo %s \
+// RUN: | FileCheck -check-prefix=CHECK-VECTOR --strict-whitespace %s
+
+// RUN: %clang_cc1 -DSVE -triple aarch64 -ast-dump -ast-dump-filter foo %s \
+// RUN: | FileCheck -check-prefix=CHECK-SVE --strict-whitespace %s
+
+#ifdef DEVICE
+// CHECK-DEVICE-NOT: ()__attribute__((device_kernel))
+void foo() __attribute__((device_kernel));
+#endif
+
+#ifdef VECTOR
+// CHECK-VECTOR-NOT: ()__attribute__((aarch64_vector_pcs))
+void foo()  __attribute__((aarch64_vector_pcs));
+#endif
+
+#ifdef SVE
+// CHECK-SVE-NOT: ()__attribute__((aarch64_sve_pcs))
+void foo()  __attribute__((aarch64_sve_pcs));
+#endif
----------------
mizvekov wrote:

Also, with a positive pattern, it shouldn't be necessary to run the test three 
separate times, and you can remove the `#ifdef`s

https://github.com/llvm/llvm-project/pull/143160
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