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|
# RUN: llc -mtriple=aarch64--- -run-pass=prologepilog -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
# RUN: llc -mtriple=aarch64-pc-windows-msvc -run-pass=prologepilog -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=WINDOWS
--- |
define void @baz() #0 {
ret void
}
define void @bar(i32 %a) #0 {
ret void
}
attributes #0 = { noredzone }
...
---
name: bar
tracksRegLiveness: true
body: |
bb.0:
liveins: $w0, $lr, $w8
$sp = frame-setup SUBXri $sp, 32, 0
$fp = frame-setup ADDXri $sp, 16, 0
bb.1:
BL @baz, implicit-def dead $lr, implicit $sp
$w17 = ORRWri $wzr, 1
$w17 = ORRWri $wzr, 1
$w0 = ORRWri $wzr, 4
BL @baz, implicit-def dead $lr, implicit $sp
$w17 = ORRWri $wzr, 1
$w17 = ORRWri $wzr, 1
$w0 = ORRWri $wzr, 3
BL @baz, implicit-def dead $lr, implicit $sp
$w17 = ORRWri $wzr, 1
$w17 = ORRWri $wzr, 1
$w0 = ORRWri $wzr, 2
BL @baz, implicit-def dead $lr, implicit $sp
$w17 = ORRWri $wzr, 1
$w17 = ORRWri $wzr, 1
$w0 = ORRWri $wzr, 1
bb.2:
$fp, $lr = LDPXi $sp, 2
RET undef $lr
...
---
name: baz
tracksRegLiveness: true
body: |
bb.0:
liveins: $w0, $lr, $w8
RET undef $lr
# CHECK: name: OUTLINED_FUNCTION_0
# CHECK: bb.0:
# CHECK: liveins: $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $d15, $d8, $d9, $d10, $d11, $d12, $d13, $d14, $lr
# CHECK-DAG: frame-setup CFI_INSTRUCTION def_cfa_offset 16
# CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $w30, -16
# CHECK-NEXT: early-clobber $sp = STRXpre $lr, $sp, -16
# CHECK-NEXT: BL @baz, implicit-def dead $lr, implicit $sp
# CHECK-NEXT: $w17 = ORRWri $wzr, 1
# CHECK-NEXT: $w17 = ORRWri $wzr, 1
# CHECK-NEXT: early-clobber $sp, $lr = LDRXpost $sp, 16
# CHECK-NEXT: RET $lr
# WINDOWS-NOT: OUTLINED
|
