[clang] [X86][test] Added extra cet tests (PR #88736)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang

@llvm/pr-subscribers-backend-x86

Author: Isha Agarwal (iagarwa)

<details>
<summary>Changes</summary>

Updated cet test to:
-Check different modules based on different cet options
-Added negative tests also

---
Full diff: https://github.com/llvm/llvm-project/pull/88736.diff


1 Files Affected:

- (modified) clang/test/CodeGen/X86/x86-cf-protection.c (+8) 


``````````diff
diff --git a/clang/test/CodeGen/X86/x86-cf-protection.c b/clang/test/CodeGen/X86/x86-cf-protection.c
index ba63b9e17c6f63..abc6ed63d61289 100644
--- a/clang/test/CodeGen/X86/x86-cf-protection.c
+++ b/clang/test/CodeGen/X86/x86-cf-protection.c
@@ -2,6 +2,10 @@
 // RUN: %clang_cc1 -E -triple i386 -dM -o - -fcf-protection=branch %s | FileCheck %s --check-prefix=BRANCH
 // RUN: %clang_cc1 -E -triple i386 -dM -o - -fcf-protection=full %s   | FileCheck %s --check-prefix=FULL
 // RUN: not %clang_cc1 -emit-llvm-only -triple i386 -target-cpu pentium-mmx -fcf-protection=branch %s 2>&1 | FileCheck %s --check-prefix=NOCFPROT
+// RUN: %clang_cc1 -triple=x86_64 -o - -fcf-protection=branch %s -emit-llvm | FileCheck %s --check-prefix=CFPROT
+// RUN: %clang_cc1 -triple=x86_64 -o - -fcf-protection=full %s -emit-llvm | FileCheck %s --check-prefix=CFPROTF
+// RUN: %clang_cc1 -triple=x86_64 -o - -fcf-protection=none %s -emit-llvm | FileCheck %s --check-prefix=CFPROTNONE
+// RUN: %clang_cc1 -E -triple=x86_64 -dM -o - -fcf-protection=none %s | FileCheck %s --check-prefix=NOTCET
 
 // RETURN: #define __CET__ 2
 // BRANCH: #define __CET__ 1
@@ -9,5 +13,9 @@
 // CFPROT: !{i32 8, !"cf-protection-branch", i32 1}
 
 // NOCFPROT: error: option 'cf-protection=branch' cannot be specified on this target
+// CFPROTF: !{i32 8, !"cf-protection-return", i32 1}
+// CFPROTF-NEXT: !{i32 8, !"cf-protection-branch", i32 1}
+// CFPROTNONE-NOT: cf-protection-branch
+// NOTCET-NOT: #define __CET__
 
 void foo() {}

``````````

</details>


https://github.com/llvm/llvm-project/pull/88736