; 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" }