blob: 2c5c73ccf2e9857d4ba39de2e962adc1e4f88190 [file] [log] [blame]
; 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 }