1# Test go build -pgo=auto flag.
2
3[short] skip 'compiles and links executables'
4
5# use default.pgo for a single main package
6go build -n -pgo=auto -o a1.exe ./a/a1
7stderr 'compile.*-pgoprofile=.*default\.pgo.*a1.go'
8
9# check that pgo applied to dependencies
10stderr 'compile.*-p test/dep.*-pgoprofile=.*default\.pgo'
11
12# check that pgo appears in build info
13# N.B. we can't start the stdout check with -pgo because the script assumes that
14# if the first arg starts with - it is a grep flag.
15stderr 'build\\t-pgo=.*default\.pgo'
16
17# check also that -pgo appears with the other flags, before non-flag settings
18! stderr 'build\\t[A-Za-z].*build\\t-pgo'
19
20# use default.pgo for ... with a single main package
21go build -n -pgo=auto ./a/...
22stderr 'compile.*-pgoprofile=.*default\.pgo.*a1.go'
23
24# check that pgo appears in build info
25stderr 'build\\t-pgo=.*default\.pgo'
26
27# build succeeds without PGO when default.pgo file is absent
28go build -n -pgo=auto -o nopgo.exe ./nopgo
29stderr 'compile.*nopgo.go'
30! stderr 'compile.*-pgoprofile'
31
32# check that pgo doesn't appear in build info
33! stderr 'build\\t-pgo='
34
35# other build-related commands
36go install -a -n -pgo=auto ./a/a1
37stderr 'compile.*-pgoprofile=.*default\.pgo.*a1.go'
38
39go run -a -n -pgo=auto ./a/a1
40stderr 'compile.*-pgoprofile=.*default\.pgo.*a1.go'
41
42go test -a -n -pgo=auto ./a/a1
43stderr 'compile.*-pgoprofile=.*default\.pgo.*a1.go.*a1_test.go'
44stderr 'compile.*-pgoprofile=.*default\.pgo.*external_test.go'
45
46# go list commands should succeed as usual
47go list -pgo=auto ./a/a1
48
49go list -test -pgo=auto ./a/a1
50
51go list -deps -pgo=auto ./a/a1
52
53# -pgo=auto is the default. Commands without explicit -pgo=auto
54# should work as -pgo=auto.
55go build -a -n -o a1.exe ./a/a1
56stderr 'compile.*-pgoprofile=.*default\.pgo.*a1.go'
57stderr 'compile.*-p test/dep.*-pgoprofile=.*default\.pgo'
58
59# check that pgo appears in build info
60stderr 'build\\t-pgo=.*default\.pgo'
61
62go build -a -n -o nopgo.exe ./nopgo
63stderr 'compile.*nopgo.go'
64! stderr 'compile.*-pgoprofile'
65
66# check that pgo doesn't appear in build info
67! stderr 'build\\t-pgo='
68
69# -pgo=off should turn off PGO.
70go build -a -n -pgo=off -o a1.exe ./a/a1
71stderr 'compile.*a1.go'
72! stderr 'compile.*-pgoprofile'
73
74# check that pgo doesn't appear in build info
75! stderr 'build\\t-pgo='
76
77-- go.mod --
78module test
79go 1.20
80-- a/a1/a1.go --
81package main
82import _ "test/dep"
83func main() {}
84-- a/a1/a1_test.go --
85package main
86import "testing"
87func TestA(*testing.T) {}
88-- a/a1/external_test.go --
89package main_test
90import "testing"
91func TestExternal(*testing.T) {}
92-- a/a1/default.pgo --
93-- nopgo/nopgo.go --
94package main
95func main() {}
96-- dep/dep.go --
97package dep
View as plain text