test/CodeGen/AArch64/machine-outliner-side-effect-2.mir

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

# The test checks whether the compiler updates the side effect of function @OUTLINED_FUNCTION_0 by adding the use of register x0.

--- |
  declare void @spam() local_unnamed_addr
  define void @bax() optsize minsize noredzone { ret void }
  define void @bay() optsize minsize noredzone { ret void }
  define void @baz() optsize minsize noredzone { ret void }
...
---
name:            bax
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0, $lr

    $x1 = ADDXri $sp, 16, 0
    BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0

    RET_ReallyLR

...
---
name:            bay
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0, $lr

    $x1 = ADDXri $sp, 16, 0
    BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0

    RET_ReallyLR

...
---
name:            baz
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0, $lr

    $x1 = ADDXri $sp, 16, 0
    BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0

    RET_ReallyLR

...

# CHECK: BL @OUTLINED_FUNCTION_0, {{.*}}, implicit $x0