[llvm] [aarch64] XOR the frame pointer with the stack cookie when protecting the stack (PR #161114)

[Pan Tao via llvm-commits]

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@@ -31,14 +31,20 @@ declare void @_Z7CapturePi(ptr)
 
 ; WINDOWS-AARCH64: adrp x8, __security_cookie
 ; WINDOWS-AARCH64: ldr x8, [x8, :lo12:__security_cookie]
+; WINDOWS-AARCH64: sub x8, sp, x8
 ; WINDOWS-AARCH64: str x8, [sp, #8]
 ; WINDOWS-AARCH64: bl  _Z7CapturePi
-; WINDOWS-AARCH64: ldr x0, [sp, #8]
+; WINDOWS-AARCH64: ldr x8, [sp, #8]
+; WINDOWS-AARCH64: mov x9, sp
+; WINDOWS-AARCH64: add x0, x8, x9
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PanTao2 wrote:

Thank you for correcting.

https://github.com/llvm/llvm-project/pull/161114