1# RUN: llc -mtriple=aarch64-apple-darwin -run-pass=prologepilog \
2# RUN: -run-pass=machine-outliner %s -pass-remarks-analysis='size-info' \
3# RUN: -pass-remarks-output=%t.yaml -o /dev/null < %s 2> %t; \
4# RUN: cat %t %t.yaml | FileCheck %s
5
6# Ensure that the MachineOutliner produces codegen size remarks. Make sure...
7# - Functions that are outlined from shrink in the remark (foo)
8# - Outlined functions start with 0 instructions
9# - Outlined functions end with the same number of instructions as the delta
10
11# CHECK: remark: <unknown>:0:0: Machine Outliner: Function: foo:
12# CHECK-SAME: MI instruction count changed from
13# CHECK-SAME: [[FOO1:[1-9][0-9]*]] to [[FOO2:[1-9][0-9]*]];
14# CHECK-SAME: Delta: [[FOODELTA:-?[1-9][0-9]*]]
15# CHECK-NEXT: remark: <unknown>:0:0: Machine Outliner:
16# CHECK-SAME: Function: OUTLINED_FUNCTION_0: MI instruction count changed from
17# CHECK-SAME: 0 to [[OFUNCSIZE:[1-9][0-9]*]]; Delta: [[OFUNCSIZE]]
18# CHECK-DAG: - Pass:            Machine Outliner
19# CHECK-NEXT: - String:          ': Function: '
20# CHECK-NEXT: - Function:        foo
21# CHECK-NEXT: - String:          ': MI instruction count changed from '
22# CHECK-NEXT: - MIInstrsBefore:  '[[FOO1]]'
23# CHECK-NEXT: - String:          ' to '
24# CHECK-NEXT: - MIInstrsAfter:   '[[FOO2]]'
25# CHECK-NEXT: - String:          '; Delta: '
26# CHECK-NEXT: - Delta:           '[[FOODELTA]]'
27# CHECK-NEXT:...
28# CHECK-NEXT: --- !Analysis
29# CHECK-NEXT: Pass:            size-info
30# CHECK-NEXT: Name:            FunctionMISizeChange
31# CHECK-NEXT: Function:        OUTLINED_FUNCTION_0
32# CHECK-NEXT: Args:
33# CHECK-NEXT:  - Pass:            Machine Outliner
34# CHECK-NEXT:  - String:          ': Function: '
35# CHECK-NEXT:  - Function:        OUTLINED_FUNCTION_0
36# CHECK-NEXT:  - String:          ': MI instruction count changed from '
37# CHECK-NEXT:  - MIInstrsBefore:  '0'
38# CHECK-NEXT:  - String:          ' to '
39# CHECK-NEXT:  - MIInstrsAfter:   '[[OFUNCSIZE]]'
40# CHECK-NEXT:  - String:          '; Delta: '
41# CHECK-NEXT:  - Delta:           '[[OFUNCSIZE]]'
42...
43--- |
44
45  define void @foo() #0 {
46    ret void
47  }
48
49  attributes #0 = { minsize noinline noredzone "frame-pointer"="all" }
50...
51---
52name:            foo
53tracksRegLiveness: true
54fixedStack:
55body:             |
56  bb.0:
57    liveins: $lr, $w9
58    $lr = ORRXri $xzr, 1
59    $x25 = ORRXri $xzr, 1
60    $w9 = ORRWri $wzr, 1
61    $w9 = ORRWri $wzr, 1
62    $w9 = ORRWri $wzr, 1
63    $w9 = ORRWri $wzr, 1
64    $w9 = ORRWri $wzr, 1
65    $w9 = ORRWri $wzr, 2
66  bb.1:
67    liveins: $lr, $w9
68    $w9 = ORRWri $wzr, 1
69    $w9 = ORRWri $wzr, 1
70    $w9 = ORRWri $wzr, 1
71    $w9 = ORRWri $wzr, 1
72    $w9 = ORRWri $wzr, 1
73    $w9 = ORRWri $wzr, 2
74  bb.2:
75    liveins: $lr, $w9
76    $w9 = ORRWri $wzr, 1
77    $w9 = ORRWri $wzr, 1
78    $w9 = ORRWri $wzr, 1
79    $w9 = ORRWri $wzr, 1
80    $w9 = ORRWri $wzr, 1
81    $w9 = ORRWri $wzr, 2
82    RET undef $lr
83