llvm/test/CodeGen/AArch64/machine-outliner-retaddr-sign-cfi.ll

; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple \
; RUN: aarch64-arm-none-eabi %s -o - | FileCheck %s --check-prefixes CHECK,V8A
; RUN-V83A: llc -verify-machineinstrs -enable-machine-outliner -mtriple \
; RUN-V83A: aarch64-arm-none-eabi -mattr=+v8.3a %s -o - > %t
; RUN-V83A: FileCheck --check-prefixes CHECK,V83A < %t %s

; Function a's outlining candidate contains a sp modifying add without a
; corresponsing sub, so we shouldn't outline it.
define void @a() "sign-return-address"="all" "sign-return-address-key"="b_key" {
; CHECK-LABEL:         a:                     // @a
; CHECK:               // %bb.0:
; CHECK-NEXT:          .cfi_b_key_frame
; V8A-NEXT:            hint #27
; V83A-NEXT:           pacibsp
; V8A-NEXT, V83A-NEXT: .cfi_negate_ra_state
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 1, i32* %1, align 4
  store i32 2, i32* %2, align 4
  store i32 3, i32* %3, align 4
  store i32 4, i32* %4, align 4
  store i32 5, i32* %5, align 4
  store i32 6, i32* %6, align 4
; CHECK-NOT:          bl OUTLINED_FUNCTION_{{[0-9]+}}
; V8A:                hint #31
; V83A:               autibsp
; V8A-NEXT, V83A-NEXT: .cfi_negate_ra_state
; V8A-NEXT, V83A-NEXT: ret
  ret void
}

define void @b() "sign-return-address"="all" "sign-return-address-key"="b_key" nounwind {
; CHECK-LABEL:      b:                                     // @b
; CHECK-NEXT:       // %bb.0:
; V8A-NEXT:         hint #27
; V83A-NEXT:        pacibsp
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 1, i32* %1, align 4
  store i32 2, i32* %2, align 4
  store i32 3, i32* %3, align 4
  store i32 4, i32* %4, align 4
  store i32 5, i32* %5, align 4
  store i32 6, i32* %6, align 4
; CHECK:                bl [[OUTLINED_FUNC:OUTLINED_FUNCTION_[0-9]+]]
; V8A:                  hint #31
; V83A:                 autibsp
; V8A-NEXT, V83A-NEXT:  ret
  ret void
}

define void @c() "sign-return-address"="all" "sign-return-address-key"="b_key" nounwind {
; CHECK-LABEL:      c:                                     // @c
; CHECK-NEXT:       // %bb.0:
; V8A-NEXT:         hint #27
; V83A-NEXT:        pacibsp
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 1, i32* %1, align 4
  store i32 2, i32* %2, align 4
  store i32 3, i32* %3, align 4
  store i32 4, i32* %4, align 4
  store i32 5, i32* %5, align 4
  store i32 6, i32* %6, align 4
; CHECK:                bl [[OUTLINED_FUNC]]
; V8A:                  hint #31
; V83A:                 autibsp
; V8A-NEXT, V83A-NEXT:  ret
  ret void
}

; CHECK:            [[OUTLINED_FUNC]]
; CHECK:            // %bb.0:
; V8A-NEXT:             hint #27
; V83A-NEXT:            pacibsp
; V8A:                  hint #31
; V83A:                 autibsp
; V8A-NEXT, V83A-NEXT:  ret