test/CodeGen/AArch64/ptrauth-fpac.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple arm64e-apple-darwin                          -verify-machineinstrs | FileCheck %s -DL="L"  --check-prefixes=ALL,DARWIN,NOFPAC,DARWIN-NOFPAC
; RUN: llc < %s -mtriple arm64e-apple-darwin             -mattr=+fpac -verify-machineinstrs | FileCheck %s -DL="L"  --check-prefixes=ALL,DARWIN,FPAC,DARWIN-FPAC
; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth              -verify-machineinstrs | FileCheck %s -DL=".L" --check-prefixes=ALL,ELF,NOFPAC,ELF-NOFPAC
; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -mattr=+fpac -verify-machineinstrs | FileCheck %s -DL=".L" --check-prefixes=ALL,ELF,FPAC,ELF-FPAC

target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"

define i64 @test_auth_ia(i64 %arg, i64 %arg1) {
; ALL-LABEL: test_auth_ia:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autia x16, x1
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autia x0, x1
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 0, i64 %arg1)
  ret i64 %tmp
}

define i64 @test_auth_ia_zero(i64 %arg) {
; ALL-LABEL: test_auth_ia_zero:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autiza x16
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autiza x0
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 0, i64 0)
  ret i64 %tmp
}

define i64 @test_auth_ib(i64 %arg, i64 %arg1) {
; ALL-LABEL: test_auth_ib:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autib x16, x1
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autib x0, x1
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 1, i64 %arg1)
  ret i64 %tmp
}

define i64 @test_auth_ib_zero(i64 %arg) {
; ALL-LABEL: test_auth_ib_zero:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autizb x16
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autizb x0
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 1, i64 0)
  ret i64 %tmp
}

define i64 @test_auth_da(i64 %arg, i64 %arg1) {
; ALL-LABEL: test_auth_da:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autda x16, x1
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autda x0, x1
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 2, i64 %arg1)
  ret i64 %tmp
}

define i64 @test_auth_da_zero(i64 %arg) {
; ALL-LABEL: test_auth_da_zero:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autdza x16
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autdza x0
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 2, i64 0)
  ret i64 %tmp
}

define i64 @test_auth_db(i64 %arg, i64 %arg1) {
; ALL-LABEL: test_auth_db:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autdb x16, x1
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autdb x0, x1
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 3, i64 %arg1)
  ret i64 %tmp
}

define i64 @test_auth_db_zero(i64 %arg) {
; ALL-LABEL: test_auth_db_zero:
; ALL:       %bb.0:
; DARWIN-NEXT: mov x16, x0
; DARWIN-NEXT: autdzb x16
; DARWIN-NEXT: mov x0, x16
; ELF-NEXT:    autdzb x0
; ALL-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 3, i64 0)
  ret i64 %tmp
}

; Note that this might seem like a no-op but is actually a valid way to enforce
; the validity of a signature.
define i64 @test_resign_ia_ia(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_ia_ia:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autia x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpaci x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_0
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_0
; NOFPAC-NEXT:  Lauth_success_0:
; NOFPAC-NEXT:    pacia x16, x2
; NOFPAC-NEXT:  Lresign_end_0:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_ia_ia:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autia x16, x1
; FPAC-NEXT:    pacia x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 0, i64 %arg1, i32 0, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_ib_ia(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_ib_ia:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autib x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpaci x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_1
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_1
; NOFPAC-NEXT:  Lauth_success_1:
; NOFPAC-NEXT:    pacia x16, x2
; NOFPAC-NEXT:  Lresign_end_1:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_ib_ia:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autib x16, x1
; FPAC-NEXT:    pacia x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 1, i64 %arg1, i32 0, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_da_ia(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_da_ia:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autda x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpacd x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_2
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_2
; NOFPAC-NEXT:  Lauth_success_2:
; NOFPAC-NEXT:    pacia x16, x2
; NOFPAC-NEXT:  Lresign_end_2:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_da_ia:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autda x16, x1
; FPAC-NEXT:    pacia x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 2, i64 %arg1, i32 0, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_db_ia(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_db_ia:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autdb x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpacd x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_3
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_3
; NOFPAC-NEXT:  Lauth_success_3:
; NOFPAC-NEXT:    pacia x16, x2
; NOFPAC-NEXT:  Lresign_end_3:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_db_ia:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autdb x16, x1
; FPAC-NEXT:    pacia x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 3, i64 %arg1, i32 0, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_db_ib(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_db_ib:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autdb x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpacd x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_4
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_4
; NOFPAC-NEXT:  Lauth_success_4:
; NOFPAC-NEXT:    pacib x16, x2
; NOFPAC-NEXT:  Lresign_end_4:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_db_ib:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autdb x16, x1
; FPAC-NEXT:    pacib x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 3, i64 %arg1, i32 1, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_db_da(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_db_da:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autdb x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpacd x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_5
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_5
; NOFPAC-NEXT:  Lauth_success_5:
; NOFPAC-NEXT:    pacda x16, x2
; NOFPAC-NEXT:  Lresign_end_5:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_db_da:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autdb x16, x1
; FPAC-NEXT:    pacda x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 3, i64 %arg1, i32 2, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_db_db(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_db_db:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autdb x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpacd x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_6
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_6
; NOFPAC-NEXT:  Lauth_success_6:
; NOFPAC-NEXT:    pacdb x16, x2
; NOFPAC-NEXT:  Lresign_end_6:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_db_db:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autdb x16, x1
; FPAC-NEXT:    pacdb x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 3, i64 %arg1, i32 3, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_iza_db(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_iza_db:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autiza x16
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpaci x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_7
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_7
; NOFPAC-NEXT:  Lauth_success_7:
; NOFPAC-NEXT:    pacdb x16, x2
; NOFPAC-NEXT:  Lresign_end_7:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_iza_db:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autiza x16
; FPAC-NEXT:    pacdb x16, x2
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 0, i64 0, i32 3, i64 %arg2)
  ret i64 %tmp
}

define i64 @test_resign_da_dzb(i64 %arg, i64 %arg1, i64 %arg2) {
; NOFPAC-LABEL: test_resign_da_dzb:
; NOFPAC:       %bb.0:
; NOFPAC-NEXT:    mov x16, x0
; NOFPAC-NEXT:    autda x16, x1
; NOFPAC-NEXT:    mov x17, x16
; NOFPAC-NEXT:    xpacd x17
; NOFPAC-NEXT:    cmp x16, x17
; NOFPAC-NEXT:    b.eq [[L]]auth_success_8
; NOFPAC-NEXT:    mov x16, x17
; NOFPAC-NEXT:    b [[L]]resign_end_8
; NOFPAC-NEXT:  Lauth_success_8:
; NOFPAC-NEXT:    pacdzb x16
; NOFPAC-NEXT:  Lresign_end_8:
; NOFPAC-NEXT:    mov x0, x16
; NOFPAC-NEXT:    ret
;
; FPAC-LABEL: test_resign_da_dzb:
; FPAC:       %bb.0:
; FPAC-NEXT:    mov x16, x0
; FPAC-NEXT:    autda x16, x1
; FPAC-NEXT:    pacdzb x16
; FPAC-NEXT:    mov x0, x16
; FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.resign(i64 %arg, i32 2, i64 %arg1, i32 3, i64 0)
  ret i64 %tmp
}

define i64 @test_auth_trap_attribute(i64 %arg, i64 %arg1) "ptrauth-auth-traps" {
; ALL-LABEL: test_auth_trap_attribute:
; DARWIN-NOFPAC:       %bb.0:
; DARWIN-NOFPAC-NEXT:    mov x16, x0
; DARWIN-NOFPAC-NEXT:    autia x16, x1
; DARWIN-NOFPAC-NEXT:    mov x17, x16
; DARWIN-NOFPAC-NEXT:    xpaci x17
; DARWIN-NOFPAC-NEXT:    cmp x16, x17
; DARWIN-NOFPAC-NEXT:    b.eq [[L]]auth_success_9
; DARWIN-NOFPAC-NEXT:    brk #0xc470
; DARWIN-NOFPAC-NEXT:  Lauth_success_9:
; DARWIN-NOFPAC-NEXT:    mov x0, x16
; DARWIN-NOFPAC-NEXT:    ret
;
; ELF-NOFPAC:       %bb.0:
; ELF-NOFPAC-NEXT:    autia x0, x1
; ELF-NOFPAC-NEXT:    mov x8, x0
; ELF-NOFPAC-NEXT:    xpaci x8
; ELF-NOFPAC-NEXT:    cmp x0, x8
; ELF-NOFPAC-NEXT:    b.eq [[L]]auth_success_9
; ELF-NOFPAC-NEXT:    brk #0xc470
; ELF-NOFPAC-NEXT:  Lauth_success_9:
; ELF-NOFPAC-NEXT:    ret
;
; DARWIN-FPAC:       %bb.0:
; DARWIN-FPAC-NEXT:    mov x16, x0
; DARWIN-FPAC-NEXT:    autia x16, x1
; DARWIN-FPAC-NEXT:    mov x0, x16
; DARWIN-FPAC-NEXT:    ret
;
; ELF-FPAC:       %bb.0:
; ELF-FPAC-NEXT:    autia x0, x1
; ELF-FPAC-NEXT:    ret
  %tmp = call i64 @llvm.ptrauth.auth(i64 %arg, i32 0, i64 %arg1)
  ret i64 %tmp
}

declare i64 @llvm.ptrauth.auth(i64, i32, i64)
declare i64 @llvm.ptrauth.resign(i64, i32, i64, i32, i64)