1[short] skip
2
3# Set up fresh GOCACHE.
4env GOCACHE=$WORK/gocache
5mkdir $GOCACHE
6
7# Building trivial non-main package should run preprofile the first time.
8go build -x -pgo=default.pgo lib.go
9stderr 'preprofile.*default\.pgo'
10
11# ... but not again ...
12go build -x -pgo=default.pgo lib.go
13! stderr 'preprofile.*default\.pgo'
14
15# ... unless we use -a.
16go build -a -x -pgo=default.pgo lib.go
17stderr 'preprofile.*default\.pgo'
18
19# ... building a different package should not run preprofile again, instead
20# using a profile from cache.
21#
22# Note we can't directly look for $GOCACHE in the regex below because the
23# Windows slashes would need to be escaped. Instead just look for the "gocache"
24# component (specified above) as an approximation.
25go build -x -pgo=default.pgo lib2.go
26! stderr 'preprofile.*default\.pgo'
27stderr 'compile.*-pgoprofile=\S+gocache.*lib2.go'
28
29-- lib.go --
30package lib
31-- lib2.go --
32package lib2
33-- default.pgo --
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