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# 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
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