llvm/test/CodeGen/ARM/cmse-cve-2021-35465.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
;
; RUN: llc %s -o - -mtriple=thumbv8m.main -verify-machineinstrs \
; RUN:   -mattr=+fp-armv8d16sp,+fix-cmse-cve-2021-35465 | \
; RUN:   FileCheck %s --check-prefix=CHECK-8M-FP-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8m.main -mcpu=cortex-m33 -verify-machineinstrs | \
; RUN:   FileCheck %s --check-prefix=CHECK-8M-FP-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8m.main -mcpu=cortex-m35p -verify-machineinstrs | \
; RUN:   FileCheck %s --check-prefix=CHECK-8M-FP-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8m.main -verify-machineinstrs \
; RUN:   -mattr=-fpregs,+fix-cmse-cve-2021-35465 | \
; RUN:   FileCheck %s --check-prefix=CHECK-8M-NOFP-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8m.main -mcpu=cortex-m33 -mattr=-fpregs -verify-machineinstrs | \
; RUN:   FileCheck %s --check-prefix=CHECK-8M-NOFP-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8m.main -mcpu=cortex-m35p -mattr=-fpregs -verify-machineinstrs | \
; RUN:   FileCheck %s --check-prefix=CHECK-8M-NOFP-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8.1m.main -verify-machineinstrs \
; RUN:   -mattr=+fp-armv8d16sp,+fix-cmse-cve-2021-35465 | \
; RUN:   FileCheck %s --check-prefix=CHECK-81M-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8.1m.main -mcpu=cortex-m55 -verify-machineinstrs | \
; RUN:   FileCheck %s --check-prefix=CHECK-81M-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8.1m.main -verify-machineinstrs \
; RUN:   -mattr=-fpregs,+fix-cmse-cve-2021-35465 | \
; RUN:   FileCheck %s --check-prefix=CHECK-81M-CVE-2021-35465
;
; RUN: llc %s -o - -mtriple=thumbv8.1m.main -mcpu=cortex-m55 -mattr=-fpregs -verify-machineinstrs | \
; RUN:   FileCheck %s --check-prefix=CHECK-81M-CVE-2021-35465
;

define void @non_secure_call(void ()* %fptr) {
; CHECK-8M-FP-CVE-2021-35465-LABEL: non_secure_call:
; CHECK-8M-FP-CVE-2021-35465:       @ %bb.0:
; CHECK-8M-FP-CVE-2021-35465-NEXT:    push {r7, lr}
; CHECK-8M-FP-CVE-2021-35465-NEXT:    push.w {r4, r5, r6, r7, r8, r9, r10, r11}
; CHECK-8M-FP-CVE-2021-35465-NEXT:    bic r0, r0, #1
; CHECK-8M-FP-CVE-2021-35465-NEXT:    sub sp, #136
; CHECK-8M-FP-CVE-2021-35465-NEXT:    vlstm sp
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r1, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r2, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r3, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r4, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r5, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r6, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r7, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r8, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r9, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r10, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r11, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mov r12, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    msr apsr_nzcvq{{g?}}, r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    blxns r0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    mrs r12, control
; CHECK-8M-FP-CVE-2021-35465-NEXT:    tst.w r12, #8
; CHECK-8M-FP-CVE-2021-35465-NEXT:    it ne
; CHECK-8M-FP-CVE-2021-35465-NEXT:    vmovne.f32 s0, s0
; CHECK-8M-FP-CVE-2021-35465-NEXT:    vlldm sp
; CHECK-8M-FP-CVE-2021-35465-NEXT:    add sp, #136
; CHECK-8M-FP-CVE-2021-35465-NEXT:    pop.w {r4, r5, r6, r7, r8, r9, r10, r11}
; CHECK-8M-FP-CVE-2021-35465-NEXT:    pop {r7, pc}
;
; CHECK-8M-NOFP-CVE-2021-35465-LABEL: non_secure_call:
; CHECK-8M-NOFP-CVE-2021-35465:       @ %bb.0:
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    push {r7, lr}
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    push.w {r4, r5, r6, r7, r8, r9, r10, r11}
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    bic r0, r0, #1
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    sub sp, #136
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    vlstm sp
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r1, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r2, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r3, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r4, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r5, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r6, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r7, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r8, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r9, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r10, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r11, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mov r12, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    msr apsr_nzcvq{{g?}}, r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    blxns r0
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    mrs r12, control
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    tst.w r12, #8
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    it ne
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    @APP
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    .inst.w 0xeeb00a40
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    @NO_APP
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    vlldm sp
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    add sp, #136
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    pop.w {r4, r5, r6, r7, r8, r9, r10, r11}
; CHECK-8M-NOFP-CVE-2021-35465-NEXT:    pop {r7, pc}
;
; CHECK-81M-CVE-2021-35465-LABEL: non_secure_call:
; CHECK-81M-CVE-2021-35465:       @ %bb.0:
; CHECK-81M-CVE-2021-35465-NEXT:    push {r7, lr}
; CHECK-81M-CVE-2021-35465-NEXT:    push.w {r4, r5, r6, r7, r8, r9, r10, r11}
; CHECK-81M-CVE-2021-35465-NEXT:    bic r0, r0, #1
; CHECK-81M-CVE-2021-35465-NEXT:    sub sp, #136
; CHECK-81M-CVE-2021-35465-NEXT:    vlstm sp
; CHECK-81M-CVE-2021-35465-NEXT:    clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr}
; CHECK-81M-CVE-2021-35465-NEXT:    blxns r0
; CHECK-81M-CVE-2021-35465-NEXT:    vscclrm {vpr}
; CHECK-81M-CVE-2021-35465-NEXT:    vlldm sp
; CHECK-81M-CVE-2021-35465-NEXT:    add sp, #136
; CHECK-81M-CVE-2021-35465-NEXT:    pop.w {r4, r5, r6, r7, r8, r9, r10, r11}
; CHECK-81M-CVE-2021-35465-NEXT:    pop {r7, pc}
  call void %fptr() #0
  ret void
}

attributes #0 = { "cmse_nonsecure_call" }