[PATCH] D126511: [ARM][AArch64] Change -mharden-sls= to use err_drv_unsupported_option_argument

[Fangrui Song via Phabricator via cfe-commits]

MaskRay created this revision.
MaskRay added reviewers: kristof.beyls, ostannard, nickdesaulniers, pengfei.
Herald added a subscriber: StephenFan.
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MaskRay requested review of this revision.
Herald added a project: clang.
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Update the diagnostic in D81404 <https://reviews.llvm.org/D81404>: the convention is to use
err_drv_unsupported_option_argument instead of adding a new diagnostic for every
option.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126511

Files:
  clang/include/clang/Basic/DiagnosticDriverKinds.td
  clang/lib/Driver/ToolChains/Arch/AArch64.cpp
  clang/lib/Driver/ToolChains/Arch/ARM.cpp
  clang/test/Driver/sls-hardening-options.c


Index: clang/test/Driver/sls-hardening-options.c
===================================================================
--- clang/test/Driver/sls-hardening-options.c
+++ clang/test/Driver/sls-hardening-options.c
@@ -99,7 +99,7 @@
 // NOCOMDAT-OFF-NOT: "harden-sls-nocomdat"
 // NOCOMDAT: "+harden-sls-nocomdat"
 
-// BAD-SLS-SPEC: invalid sls hardening option '{{[^']+}}' in '-mharden-sls=
+// BAD-SLS-SPEC: unsupported argument '{{[^']+}}' to option '-mharden-sls='
 
 // RUN: %clang -target armv6a--none-eabi -c %s -### -mharden-sls=all 2>&1 | \
 // RUN: FileCheck %s --check-prefix=SLS-NOT-SUPPORTED
Index: clang/lib/Driver/ToolChains/Arch/ARM.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Arch/ARM.cpp
+++ clang/lib/Driver/ToolChains/Arch/ARM.cpp
@@ -868,8 +868,8 @@
           DisableComdat = true;
           continue;
         }
-        D.Diag(diag::err_invalid_sls_hardening)
-            << Scope << A->getAsString(Args);
+        D.Diag(diag::err_drv_unsupported_option_argument)
+            << A->getOption().getName() << Scope;
         break;
       }
     }
Index: clang/lib/Driver/ToolChains/Arch/AArch64.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Arch/AArch64.cpp
+++ clang/lib/Driver/ToolChains/Arch/AArch64.cpp
@@ -324,8 +324,8 @@
           DisableComdat = true;
           continue;
         }
-        D.Diag(diag::err_invalid_sls_hardening)
-            << Scope << A->getAsString(Args);
+        D.Diag(diag::err_drv_unsupported_option_argument)
+            << A->getOption().getName() << Scope;
         break;
       }
     }
Index: clang/include/clang/Basic/DiagnosticDriverKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -428,8 +428,6 @@
   "invalid branch protection option '%0' in '%1'">;
 def warn_unsupported_branch_protection: Warning <
   "invalid branch protection option '%0' in '%1'">, InGroup<BranchProtection>;
-def err_invalid_sls_hardening : Error<
-  "invalid sls hardening option '%0' in '%1'">;
 def err_sls_hardening_arm_not_supported : Error<
   "-mharden-sls is only supported on armv7-a or later">;
 


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