; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc %s -o - -mtriple=thumbv8m.base | \ ; RUN: FileCheck %s --check-prefix=CHECK-8B ; RUN: llc %s -o - -mtriple=thumbebv8m.base | \ ; RUN: FileCheck %s --check-prefix=CHECK-8B ; RUN: llc %s -o - -mtriple=thumbv8m.main | \ ; RUN: FileCheck %s --check-prefix=CHECK-8M ; RUN: llc %s -o - -mtriple=thumbebv8m.main | \ ; RUN: FileCheck %s --check-prefix=CHECK-8M ; RUN: llc %s -o - -mtriple=thumbv8.1m.main | \ ; RUN: FileCheck %s --check-prefix=CHECK-81M ; RUN: llc %s -o - -mtriple=thumbebv8.1m.main | \ ; RUN: FileCheck %s --check-prefix=CHECK-81M define void @func1(void ()* nocapture %fptr) #0 { ; CHECK-8B-LABEL: func1: ; CHECK-8B: @ %bb.0: @ %entry ; CHECK-8B-NEXT: push {r7, lr} ; CHECK-8B-NEXT: push {r4, r5, r6, r7} ; CHECK-8B-NEXT: mov r7, r11 ; CHECK-8B-NEXT: mov r6, r10 ; CHECK-8B-NEXT: mov r5, r9 ; CHECK-8B-NEXT: mov r4, r8 ; CHECK-8B-NEXT: push {r4, r5, r6, r7} ; CHECK-8B-NEXT: mov r1, #1 ; CHECK-8B-NEXT: bics r0, r1 ; CHECK-8B-NEXT: mov r1, r0 ; CHECK-8B-NEXT: mov r2, r0 ; CHECK-8B-NEXT: mov r3, r0 ; CHECK-8B-NEXT: mov r4, r0 ; CHECK-8B-NEXT: mov r5, r0 ; CHECK-8B-NEXT: mov r6, r0 ; CHECK-8B-NEXT: mov r7, r0 ; CHECK-8B-NEXT: mov r8, r0 ; CHECK-8B-NEXT: mov r9, r0 ; CHECK-8B-NEXT: mov r10, r0 ; CHECK-8B-NEXT: mov r11, r0 ; CHECK-8B-NEXT: mov r12, r0 ; CHECK-8B-NEXT: msr apsr, r0 ; CHECK-8B-NEXT: blxns r0 ; CHECK-8B-NEXT: pop {r4, r5, r6, r7} ; CHECK-8B-NEXT: mov r8, r4 ; CHECK-8B-NEXT: mov r9, r5 ; CHECK-8B-NEXT: mov r10, r6 ; CHECK-8B-NEXT: mov r11, r7 ; CHECK-8B-NEXT: pop {r4, r5, r6, r7} ; CHECK-8B-NEXT: pop {r7} ; CHECK-8B-NEXT: pop {r0} ; CHECK-8B-NEXT: mov lr, r0 ; CHECK-8B-NEXT: mov r0, lr ; CHECK-8B-NEXT: mov r1, lr ; CHECK-8B-NEXT: mov r2, lr ; CHECK-8B-NEXT: mov r3, lr ; CHECK-8B-NEXT: mov r12, lr ; CHECK-8B-NEXT: msr apsr, lr ; CHECK-8B-NEXT: bxns lr ; ; CHECK-8M-LABEL: func1: ; CHECK-8M: @ %bb.0: @ %entry ; CHECK-8M-NEXT: push {r7, lr} ; CHECK-8M-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-8M-NEXT: bic r0, r0, #1 ; CHECK-8M-NEXT: msr apsr_nzcvq, r0 ; CHECK-8M-NEXT: mov r1, r0 ; CHECK-8M-NEXT: mov r2, r0 ; CHECK-8M-NEXT: mov r3, r0 ; CHECK-8M-NEXT: mov r4, r0 ; CHECK-8M-NEXT: mov r5, r0 ; CHECK-8M-NEXT: mov r6, r0 ; CHECK-8M-NEXT: mov r7, r0 ; CHECK-8M-NEXT: mov r8, r0 ; CHECK-8M-NEXT: mov r9, r0 ; CHECK-8M-NEXT: mov r10, r0 ; CHECK-8M-NEXT: mov r11, r0 ; CHECK-8M-NEXT: mov r12, r0 ; CHECK-8M-NEXT: blxns r0 ; CHECK-8M-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-8M-NEXT: pop.w {r7, lr} ; CHECK-8M-NEXT: mov r0, lr ; CHECK-8M-NEXT: mov r1, lr ; CHECK-8M-NEXT: mov r2, lr ; CHECK-8M-NEXT: mov r3, lr ; CHECK-8M-NEXT: mov r12, lr ; CHECK-8M-NEXT: msr apsr_nzcvq, lr ; CHECK-8M-NEXT: bxns lr ; ; CHECK-81M-LABEL: func1: ; CHECK-81M: @ %bb.0: @ %entry ; CHECK-81M-NEXT: vstr fpcxtns, [sp, #-4]! ; CHECK-81M-NEXT: push {r7, lr} ; CHECK-81M-NEXT: sub sp, #4 ; CHECK-81M-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-81M-NEXT: bic r0, r0, #1 ; CHECK-81M-NEXT: sub sp, #136 ; CHECK-81M-NEXT: vlstm sp ; CHECK-81M-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ; CHECK-81M-NEXT: blxns r0 ; CHECK-81M-NEXT: vlldm sp ; CHECK-81M-NEXT: add sp, #136 ; CHECK-81M-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-81M-NEXT: add sp, #4 ; CHECK-81M-NEXT: pop.w {r7, lr} ; CHECK-81M-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ; CHECK-81M-NEXT: vldr fpcxtns, [sp], #4 ; CHECK-81M-NEXT: clrm {r0, r1, r2, r3, r12, apsr} ; CHECK-81M-NEXT: bxns lr entry: call void %fptr() #1 ret void } attributes #0 = { "cmse_nonsecure_entry" nounwind } attributes #1 = { "cmse_nonsecure_call" nounwind } define void @func2(void ()* nocapture %fptr) #2 { ; CHECK-8B-LABEL: func2: ; CHECK-8B: @ %bb.0: @ %entry ; CHECK-8B-NEXT: push {r7, lr} ; CHECK-8B-NEXT: push {r4, r5, r6, r7} ; CHECK-8B-NEXT: mov r7, r11 ; CHECK-8B-NEXT: mov r6, r10 ; CHECK-8B-NEXT: mov r5, r9 ; CHECK-8B-NEXT: mov r4, r8 ; CHECK-8B-NEXT: push {r4, r5, r6, r7} ; CHECK-8B-NEXT: mov r1, #1 ; CHECK-8B-NEXT: bics r0, r1 ; CHECK-8B-NEXT: mov r1, r0 ; CHECK-8B-NEXT: mov r2, r0 ; CHECK-8B-NEXT: mov r3, r0 ; CHECK-8B-NEXT: mov r4, r0 ; CHECK-8B-NEXT: mov r5, r0 ; CHECK-8B-NEXT: mov r6, r0 ; CHECK-8B-NEXT: mov r7, r0 ; CHECK-8B-NEXT: mov r8, r0 ; CHECK-8B-NEXT: mov r9, r0 ; CHECK-8B-NEXT: mov r10, r0 ; CHECK-8B-NEXT: mov r11, r0 ; CHECK-8B-NEXT: mov r12, r0 ; CHECK-8B-NEXT: msr apsr, r0 ; CHECK-8B-NEXT: blxns r0 ; CHECK-8B-NEXT: pop {r4, r5, r6, r7} ; CHECK-8B-NEXT: mov r8, r4 ; CHECK-8B-NEXT: mov r9, r5 ; CHECK-8B-NEXT: mov r10, r6 ; CHECK-8B-NEXT: mov r11, r7 ; CHECK-8B-NEXT: pop {r4, r5, r6, r7} ; CHECK-8B-NEXT: pop {r7, pc} ; ; CHECK-8M-LABEL: func2: ; CHECK-8M: @ %bb.0: @ %entry ; CHECK-8M-NEXT: push {r7, lr} ; CHECK-8M-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-8M-NEXT: bic r0, r0, #1 ; CHECK-8M-NEXT: msr apsr_nzcvq, r0 ; CHECK-8M-NEXT: mov r1, r0 ; CHECK-8M-NEXT: mov r2, r0 ; CHECK-8M-NEXT: mov r3, r0 ; CHECK-8M-NEXT: mov r4, r0 ; CHECK-8M-NEXT: mov r5, r0 ; CHECK-8M-NEXT: mov r6, r0 ; CHECK-8M-NEXT: mov r7, r0 ; CHECK-8M-NEXT: mov r8, r0 ; CHECK-8M-NEXT: mov r9, r0 ; CHECK-8M-NEXT: mov r10, r0 ; CHECK-8M-NEXT: mov r11, r0 ; CHECK-8M-NEXT: mov r12, r0 ; CHECK-8M-NEXT: blxns r0 ; CHECK-8M-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-8M-NEXT: pop {r7, pc} ; ; CHECK-81M-LABEL: func2: ; CHECK-81M: @ %bb.0: @ %entry ; CHECK-81M-NEXT: push {r7, lr} ; CHECK-81M-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-81M-NEXT: bic r0, r0, #1 ; CHECK-81M-NEXT: sub sp, #136 ; CHECK-81M-NEXT: vlstm sp ; CHECK-81M-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ; CHECK-81M-NEXT: blxns r0 ; CHECK-81M-NEXT: vlldm sp ; CHECK-81M-NEXT: add sp, #136 ; CHECK-81M-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ; CHECK-81M-NEXT: pop {r7, pc} entry: tail call void %fptr() #3 ret void } attributes #2 = { nounwind } attributes #3 = { "cmse_nonsecure_call" nounwind } define void @func3() #4 { ; CHECK-8B-LABEL: func3: ; CHECK-8B: @ %bb.0: @ %entry ; CHECK-8B-NEXT: mov r0, lr ; CHECK-8B-NEXT: mov r1, lr ; CHECK-8B-NEXT: mov r2, lr ; CHECK-8B-NEXT: mov r3, lr ; CHECK-8B-NEXT: mov r12, lr ; CHECK-8B-NEXT: msr apsr, lr ; CHECK-8B-NEXT: bxns lr ; ; CHECK-8M-LABEL: func3: ; CHECK-8M: @ %bb.0: @ %entry ; CHECK-8M-NEXT: mov r0, lr ; CHECK-8M-NEXT: mov r1, lr ; CHECK-8M-NEXT: mov r2, lr ; CHECK-8M-NEXT: mov r3, lr ; CHECK-8M-NEXT: mov r12, lr ; CHECK-8M-NEXT: msr apsr_nzcvq, lr ; CHECK-8M-NEXT: bxns lr ; ; CHECK-81M-LABEL: func3: ; CHECK-81M: @ %bb.0: @ %entry ; CHECK-81M-NEXT: vstr fpcxtns, [sp, #-4]! ; CHECK-81M-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ; CHECK-81M-NEXT: vldr fpcxtns, [sp], #4 ; CHECK-81M-NEXT: clrm {r0, r1, r2, r3, r12, apsr} ; CHECK-81M-NEXT: bxns lr entry: ret void } define void @func4() #4 { ; CHECK-8B-LABEL: func4: ; CHECK-8B: @ %bb.0: @ %entry ; CHECK-8B-NEXT: push {r7, lr} ; CHECK-8B-NEXT: bl func3 ; CHECK-8B-NEXT: pop {r7} ; CHECK-8B-NEXT: pop {r0} ; CHECK-8B-NEXT: mov lr, r0 ; CHECK-8B-NEXT: mov r0, lr ; CHECK-8B-NEXT: mov r1, lr ; CHECK-8B-NEXT: mov r2, lr ; CHECK-8B-NEXT: mov r3, lr ; CHECK-8B-NEXT: mov r12, lr ; CHECK-8B-NEXT: msr apsr, lr ; CHECK-8B-NEXT: bxns lr ; ; CHECK-8M-LABEL: func4: ; CHECK-8M: @ %bb.0: @ %entry ; CHECK-8M-NEXT: push {r7, lr} ; CHECK-8M-NEXT: bl func3 ; CHECK-8M-NEXT: pop.w {r7, lr} ; CHECK-8M-NEXT: mov r0, lr ; CHECK-8M-NEXT: mov r1, lr ; CHECK-8M-NEXT: mov r2, lr ; CHECK-8M-NEXT: mov r3, lr ; CHECK-8M-NEXT: mov r12, lr ; CHECK-8M-NEXT: msr apsr_nzcvq, lr ; CHECK-8M-NEXT: bxns lr ; ; CHECK-81M-LABEL: func4: ; CHECK-81M: @ %bb.0: @ %entry ; CHECK-81M-NEXT: vstr fpcxtns, [sp, #-4]! ; CHECK-81M-NEXT: push {r7, lr} ; CHECK-81M-NEXT: sub sp, #4 ; CHECK-81M-NEXT: bl func3 ; CHECK-81M-NEXT: add sp, #4 ; CHECK-81M-NEXT: pop.w {r7, lr} ; CHECK-81M-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ; CHECK-81M-NEXT: vldr fpcxtns, [sp], #4 ; CHECK-81M-NEXT: clrm {r0, r1, r2, r3, r12, apsr} ; CHECK-81M-NEXT: bxns lr entry: tail call void @func3() #5 ret void } declare void @func51(i8 *); define void @func5() #4 { ; CHECK-8B-LABEL: func5: ; CHECK-8B: @ %bb.0: ; CHECK-8B-NEXT: push {r4, r6, r7, lr} ; CHECK-8B-NEXT: add r7, sp, #8 ; CHECK-8B-NEXT: sub sp, #16 ; CHECK-8B-NEXT: mov r4, sp ; CHECK-8B-NEXT: lsrs r4, r4, #4 ; CHECK-8B-NEXT: lsls r4, r4, #4 ; CHECK-8B-NEXT: mov sp, r4 ; CHECK-8B-NEXT: mov r0, sp ; CHECK-8B-NEXT: bl func51 ; CHECK-8B-NEXT: subs r4, r7, #7 ; CHECK-8B-NEXT: subs r4, #1 ; CHECK-8B-NEXT: mov sp, r4 ; CHECK-8B-NEXT: pop {r4, r6, r7} ; CHECK-8B-NEXT: pop {r0} ; CHECK-8B-NEXT: mov lr, r0 ; CHECK-8B-NEXT: mov r0, lr ; CHECK-8B-NEXT: mov r1, lr ; CHECK-8B-NEXT: mov r2, lr ; CHECK-8B-NEXT: mov r3, lr ; CHECK-8B-NEXT: mov r12, lr ; CHECK-8B-NEXT: msr apsr, lr ; CHECK-8B-NEXT: bxns lr ; ; CHECK-8M-LABEL: func5: ; CHECK-8M: @ %bb.0: ; CHECK-8M-NEXT: push {r4, r6, r7, lr} ; CHECK-8M-NEXT: add r7, sp, #8 ; CHECK-8M-NEXT: sub sp, #16 ; CHECK-8M-NEXT: mov r4, sp ; CHECK-8M-NEXT: bfc r4, #0, #4 ; CHECK-8M-NEXT: mov sp, r4 ; CHECK-8M-NEXT: mov r0, sp ; CHECK-8M-NEXT: bl func51 ; CHECK-8M-NEXT: sub.w r4, r7, #8 ; CHECK-8M-NEXT: mov sp, r4 ; CHECK-8M-NEXT: pop.w {r4, r6, r7, lr} ; CHECK-8M-NEXT: mov r0, lr ; CHECK-8M-NEXT: mov r1, lr ; CHECK-8M-NEXT: mov r2, lr ; CHECK-8M-NEXT: mov r3, lr ; CHECK-8M-NEXT: mov r12, lr ; CHECK-8M-NEXT: msr apsr_nzcvq, lr ; CHECK-8M-NEXT: bxns lr ; ; CHECK-81M-LABEL: func5: ; CHECK-81M: @ %bb.0: ; CHECK-81M-NEXT: vstr fpcxtns, [sp, #-4]! ; CHECK-81M-NEXT: push {r4, r6, r7, lr} ; CHECK-81M-NEXT: add r7, sp, #8 ; CHECK-81M-NEXT: sub sp, #12 ; CHECK-81M-NEXT: mov r4, sp ; CHECK-81M-NEXT: bfc r4, #0, #4 ; CHECK-81M-NEXT: mov sp, r4 ; CHECK-81M-NEXT: mov r0, sp ; CHECK-81M-NEXT: bl func51 ; CHECK-81M-NEXT: sub.w r4, r7, #8 ; CHECK-81M-NEXT: mov sp, r4 ; CHECK-81M-NEXT: pop.w {r4, r6, r7, lr} ; CHECK-81M-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ; CHECK-81M-NEXT: vldr fpcxtns, [sp], #4 ; CHECK-81M-NEXT: clrm {r0, r1, r2, r3, r12, apsr} ; CHECK-81M-NEXT: bxns lr %1 = alloca i8, align 16 call void @func51(i8* nonnull %1) #5 ret void } attributes #4 = { "cmse_nonsecure_entry" nounwind } attributes #5 = { nounwind }