# RUN: llc %s -mtriple=aarch64-apple-ios -run-pass=aarch64-collect-loh -run-pass=machine-outliner -stats -o - 2>%t | FileCheck %s
# RUN: FileCheck %s --input-file=%t --check-prefix=STATS
# REQUIRES: asserts

--- |
  define void  @func0() noredzone minsize { ret void }

  @g0 = external global i32
...
---
# CHECK-LABEL: name: func0
name: func0
tracksRegLiveness: true
body: |
  ; CHECK-LABEL: bb.0:
  bb.0:
    ; CHECK: BL @OUTLINED_FUNCTION_0
    $x10 = ADRP target-flags(aarch64-page) @g0
    $x11 = ADDXri $x10, target-flags(aarch64-pageoff) @g0, 0
    $w0 = ORRWri $wzr, 1
    $w0 = ORRWri $wzr, 1
    $w0 = ORRWri $wzr, 1
    $w0 = ORRWri $wzr, 1

  ; CHECK-LABEL: bb.1:
  bb.1:
    ; CHECK: BL @OUTLINED_FUNCTION_0
    ; MCLOH_AdrpAdd is not generated because $x11 is still live. If we want to
    ; outline these instructions, we must remove the MCLOH_AdrpAdd from bb.0.
    $x10 = ADRP target-flags(aarch64-page) @g0
    $x11 = ADDXri $x10, target-flags(aarch64-pageoff) @g0, 0
    $w0 = ORRWri $wzr, 1
    $w0 = ORRWri $wzr, 1
    $w0 = ORRWri $wzr, 1
    $w0 = ORRWri $wzr, 1
    ; CHECK: $x12 = ADDXri $x11, target-flags(aarch64-pageoff) @g0, 0
    $x12 = ADDXri $x11, target-flags(aarch64-pageoff) @g0, 0

...

# CHECK-LABEL: name: OUTLINED_FUNCTION_0
# CHECK:           $x10 = ADRP target-flags(aarch64-page) @g0
# CHECK:           $x11 = ADDXri $x10, target-flags(aarch64-pageoff) @g0, 0
# CHECK:           $w0 = ORRWri $wzr, 1
# CHECK:           $w0 = ORRWri $wzr, 1
# CHECK:           $w0 = ORRWri $wzr, 1
# CHECK:           $w0 = ORRWri $wzr, 1

# STATS: 1 aarch64-collect-loh - Number of simplifiable ADRP + ADD
# STATS: 1 machine-outliner    - Total number of Linker Optimization Hints removed