[clang] [llvm] [PowerPC][AIX] Support #pragma comment copyright for AIX (PR #178184)

[Tony Varghese via llvm-commits]

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+// RUN: split-file %s %t
+
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -fsyntax-only -verify %t/unsupported.c
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %t/unsupported.c
+// RUN: %clang_cc1 -triple systemz -fsyntax-only -verify %t/unsupported.c
+// RUN: %clang_cc1 -triple powerpc64-linux-gnu -fsyntax-only -verify %t/unsupported.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/copyright.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/copyright.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/empty-copyright.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/empty-copyright.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/other-kinds.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/other-kinds.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/duplicate.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/duplicate.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/concat-escape.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/concat-escape.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/u8-literal.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/u8-literal.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/wide-literal.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/wide-literal.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/utf16-literal.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/utf16-literal.c
+
+// RUN: %clang_cc1 -triple powerpc-ibm-aix   -fsyntax-only -verify %t/utf32-literal.c
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -fsyntax-only -verify %t/utf32-literal.c
+
+//--- unsupported.c
+// pragma comment kinds not supported on this target.
+#pragma comment(copyright, "copyright")            // expected-warning {{'#pragma comment copyright' ignored}}
+#pragma comment(compiler)                          // expected-warning {{'#pragma comment compiler' ignored}}
+#pragma comment(exestr, "foo")                     // expected-warning {{'#pragma comment exestr' ignored}}
+#pragma comment(user, "foo\abar\nbaz\tsomething")  // expected-warning {{'#pragma comment user' ignored}}
+
+//--- copyright.c
+// Copyright pragma is accepted without diagnostics.
+#pragma comment(copyright, "copyright") // expected-no-diagnostics
+
+//--- empty-copyright.c
+// An empty copyright string is accepted without diagnostics.
+#pragma comment(copyright, "") // expected-no-diagnostics
+
+//--- other-kinds.c
+// Non-copyright comment kinds produce warnings.
+#pragma comment(lib, "m")                          // expected-warning {{'#pragma comment lib' ignored}}
+#pragma comment(linker, "foo")                     // expected-warning {{'#pragma comment linker' ignored}}
+#pragma comment(compiler)                          // expected-warning {{'#pragma comment compiler' ignored}}
+#pragma comment(exestr, "foo")                     // expected-warning {{'#pragma comment exestr' ignored}}
+#pragma comment(user, "foo\abar\nbaz\tsomething")  // expected-warning {{'#pragma comment user' ignored}}
+
+//--- duplicate.c
+// A second copyright pragma in the same translation unit warns.
+#pragma comment(copyright, "@(#) Copyright")
+#pragma comment(copyright, "Duplicate Copyright") // expected-warning {{'#pragma comment copyright' ignored: it can be specified only once per translation unit}}
+
+//--- concat-escape.c
+// Concatenated ordinary string literals and escapes are accepted
+#pragma comment(copyright, "@(#) Hello, " "world\n\t\"@(#) quoted\"") // expected-no-diagnostics
+
+//--- u8-literal.c
+// UTF-8-prefixed string literals are rejected.
+#pragma comment(copyright, u8"@(#) Hello unicode") // expected-error {{expected string literal in pragma comment}}
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tonykuttai wrote:

Yes, they are accepted. Added the test for them.

https://github.com/llvm/llvm-project/pull/178184