[clang] [llvm] [PAC][Driver] Implement `-mbranch-protection=pauthabi` option (PR #97237)

[Fangrui Song via cfe-commits]

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@@ -13,13 +13,33 @@
 // RUN:   %s 2>&1 | FileCheck %s --check-prefix=ALL
 // ALL: "-cc1"{{.*}} "-fptrauth-intrinsics" "-fptrauth-calls" "-fptrauth-returns" "-fptrauth-auth-traps" "-fptrauth-vtable-pointer-address-discrimination" "-fptrauth-vtable-pointer-type-discrimination" "-fptrauth-init-fini"
 
+// RUN: %clang -### -c --target=aarch64 -mbranch-protection=pauthabi %s 2>&1 | \
+// RUN:   FileCheck %s --check-prefix=PAUTHABI1
+// PAUTHABI1: "-cc1"{{.*}} "-fptrauth-intrinsics" "-fptrauth-calls" "-fptrauth-returns" "-fptrauth-auth-traps" "-fptrauth-vtable-pointer-address-discrimination" "-fptrauth-vtable-pointer-type-discrimination" "-fptrauth-init-fini"
+
+// RUN: %clang -### -c --target=aarch64 -mbranch-protection=pauthabi -fno-ptrauth-intrinsics \
+// RUN:   -fno-ptrauth-calls -fno-ptrauth-returns -fno-ptrauth-auth-traps \
+// RUN:   -fno-ptrauth-vtable-pointer-address-discrimination -fno-ptrauth-vtable-pointer-type-discrimination \
+// RUN:   -fno-ptrauth-init-fini %s 2>&1 | FileCheck %s --check-prefix=PAUTHABI2
+// PAUTHABI2-NOT: "-fptrauth-intrinsics"
----------------
MaskRay wrote:

One `-NOT: "-fptrauth` should catch all undesired `"-fptrauth-*"` options

https://github.com/llvm/llvm-project/pull/97237