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|
# RUN: llc -enable-machine-outliner -start-before=aarch64-expand-pseudo -mtriple=arm64-apple-ios -o - %s | FileCheck %s
#
# The calls to _cb1 & _cb2 should be followed by the marker instruction
# 'mov x29, x29' and the attached call. Neither should get outlined.
#
# CHECK-LABEL: _fn1:
# CHECK: bb.0:
# CHECK: bl _cb1
# CHECK-NEXT: mov x29, x29
# CHECK-NEXT: bl _attachedcall
# CHECK: b _OUTLINED_FUNCTION_0
#
# CHECK-LABEL: _fn2:
# CHECK: bb.0:
# CHECK: bl _cb2
# CHECK-NEXT: mov x29, x29
# CHECK-NEXT: bl _attachedcall
# CHECK: b _OUTLINED_FUNCTION_0
#
# CHECK-LABEL: _OUTLINED_FUNCTION_0:
# CHECK: bb.0:
# CHECK-NEXT: orr w12, wzr, #0x3
# CHECK-NEXT: orr w12, wzr, #0x3
# CHECK-NEXT: orr w12, wzr, #0x3
# CHECK-NEXT: orr w12, wzr, #0x3
# CHECK-NEXT: ret
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios"
define void @fn1() {
ret void
}
define void @fn2() {
ret void
}
declare void @cb1()
declare void @cb2()
declare i8* @attachedcall()
...
---
name: fn1
tracksRegLiveness: true
machineFunctionInfo:
hasRedZone: false
body: |
bb.0:
liveins: $lr
BLR_RVMARKER @attachedcall, @cb1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $x0
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$lr = ORRXri $xzr, 1
RET undef $lr
...
---
name: fn2
tracksRegLiveness: true
machineFunctionInfo:
hasRedZone: false
body: |
bb.0:
liveins: $lr, $x19, $x20, $lr
BLR_RVMARKER @attachedcall, @cb2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $x0
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$lr = ORRXri $xzr, 1
RET undef $lr
...
|
