test/CodeGen/AArch64/machine-outliner-unsafe-stack-call.mir

# RUN: llc -mtriple=aarch64--- -run-pass=machine-outliner \
# RUN: -verify-machineinstrs %s -o - | FileCheck %s

# Ensure that we never outline calls into sequences where unsafe stack
# instructions are present.

--- |
  define void @foo() #0 { ret void }
  define void @bar() #0 { ret void }
  define void @baz() #0 { ret void }
  define void @f1() #0 { ret void }
  define void @f2() #0 { ret void }
  attributes #0 = { minsize noinline noredzone "no-frame-pointer-elim"="true" }
...
---

name:            f1
tracksRegLiveness: true
body:             |
  bb.0:
  liveins: $lr
    ; CHECK-LABEL: name:            f1
    ; CHECK: foo
    ; CHECK-DAG: bar
    ; CHECK-DAG: baz
    $lr = ORRXri $xzr, 1
    BL @foo, implicit-def dead $lr, implicit $sp
    $x20, $x19 = LDPXi $sp, 255
    $x20, $x19 = LDPXi $sp, 255
    $x20, $x19 = LDPXi $sp, 255
    $x20, $x19 = LDPXi $sp, 255
  bb.1:
    BL @bar, implicit-def dead $lr, implicit $sp
    $x11 = ADDXri $sp, 48, 0;
    $x12 = ADDXri $sp, 48, 0;
    $x13 = ADDXri $sp, 48, 0;
    $x14 = ADDXri $sp, 48, 0;
  bb.2:
    BL @baz, implicit-def dead $lr, implicit $sp
    $x0 = ADDXri $sp, 48, 0;
    $x1 = ADDXri $sp, 48, 0;
    RET undef $lr

...
---

name:            f2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $lr
    ; CHECK-LABEL: name:            f2
    ; CHECK: foo
    ; CHECK-DAG: bar
    ; CHECK-DAG: baz
    $lr = ORRXri $xzr, 1
    BL @foo, implicit-def dead $lr, implicit $sp
    $x20, $x19 = LDPXi $sp, 255
    $x20, $x19 = LDPXi $sp, 255
    $x20, $x19 = LDPXi $sp, 255
    $x20, $x19 = LDPXi $sp, 255
  bb.1:
    BL @bar, implicit-def dead $lr, implicit $sp
    $x11 = ADDXri $sp, 48, 0;
    $x12 = ADDXri $sp, 48, 0;
    $x13 = ADDXri $sp, 48, 0;
    $x14 = ADDXri $sp, 48, 0;
  bb.2:
    BL @baz, implicit-def dead $lr, implicit $sp
    $x0 = ADDXri $sp, 48, 0;
    $x1 = ADDXri $sp, 48, 0;
    RET undef $lr