[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,c -- clang/lib/AST/ASTContext.cpp clang/lib/Driver/ToolChains/Clang.cpp clang/lib/Frontend/CompilerInvocation.cpp clang/test/CodeGen/ptrauth-function-type-discriminator.c
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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index cdf239e37..f6a06e291 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -3402,7 +3402,8 @@ static void encodeTypeForFunctionPointerAuth(const ASTContext &Ctx,
   case Type::BitInt:
     if (Ctx.getLangOpts().PointerAuthFunctionTypeDiscrimination128) {
       const auto *BtTy = T->castAs<BitIntType>();
-      OS << "D" << (BtTy->isUnsigned() ? "U" : "B") << BtTy->getNumBits() << "_";
+      OS << "D" << (BtTy->isUnsigned() ? "U" : "B") << BtTy->getNumBits()
+         << "_";
     } else
       OS << "?";
     return;
@@ -3414,14 +3415,16 @@ static void encodeTypeForFunctionPointerAuth(const ASTContext &Ctx,
 #define SIGNED_TYPE(Id, SingletonId)                                           \
   case BuiltinType::Id:                                                        \
     OS << (Kind == BuiltinType::Int128 &&                                      \
-           Ctx.getLangOpts().PointerAuthFunctionTypeDiscrimination128 ?        \
-           "n" : "i");                                                         \
+                   Ctx.getLangOpts().PointerAuthFunctionTypeDiscrimination128  \
+               ? "n"                                                           \
+               : "i");                                                         \
     return;
 #define UNSIGNED_TYPE(Id, SingletonId)                                         \
   case BuiltinType::Id:                                                        \
     OS << (Kind == BuiltinType::UInt128 &&                                     \
-           Ctx.getLangOpts().PointerAuthFunctionTypeDiscrimination128 ?        \
-           "o" : "i");                                                         \
+                   Ctx.getLangOpts().PointerAuthFunctionTypeDiscrimination128  \
+               ? "o"                                                           \
+               : "i");                                                         \
     return;
 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
 #define BUILTIN_TYPE(Id, SingletonId)

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https://github.com/llvm/llvm-project/pull/140276