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Extend lto_test

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Test: go test soong cc tests
Change-Id: I3ddc53f0984b7cd4b40ff17b1f93a9b4db62f94c
This commit is contained in:
Liz Kammer 2022-10-31 14:44:46 -04:00
parent a36589c4ca
commit 81d0950934
1 changed files with 96 additions and 9 deletions
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105
cc/lto_test.go
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@ -24,29 +24,35 @@ import (
func TestThinLtoDeps(t *testing.T) {
bp := `
cc_library {
cc_library_shared {
name: "lto_enabled",
srcs: ["src.c"],
static_libs: ["foo"],
static_libs: ["foo", "lib_never_lto"],
shared_libs: ["bar"],
lto: {
thin: true,
}
}
cc_library {
cc_library_static {
name: "foo",
static_libs: ["baz"],
}
cc_library {
cc_library_shared {
name: "bar",
static_libs: ["qux"],
}
cc_library {
cc_library_static {
name: "baz",
}
cc_library {
cc_library_static {
name: "qux",
}
cc_library_static {
name: "lib_never_lto",
lto: {
never: true,
},
}
`
result := android.GroupFixturePreparers(
@ -54,8 +60,6 @@ func TestThinLtoDeps(t *testing.T) {
).RunTestWithBp(t, bp)
libLto := result.ModuleForTests("lto_enabled", "android_arm64_armv8-a_shared").Module()
libFoo := result.ModuleForTests("foo", "android_arm64_armv8-a_static_lto-thin").Module()
libBaz := result.ModuleForTests("baz", "android_arm64_armv8-a_static_lto-thin").Module()
hasDep := func(m android.Module, wantDep android.Module) bool {
var found bool
@ -67,12 +71,24 @@ func TestThinLtoDeps(t *testing.T) {
return found
}
libFoo := result.ModuleForTests("foo", "android_arm64_armv8-a_static_lto-thin").Module()
if !hasDep(libLto, libFoo) {
t.Errorf("'lto_enabled' missing dependency on thin lto variant of 'foo'")
}
libBaz := result.ModuleForTests("baz", "android_arm64_armv8-a_static_lto-thin").Module()
if !hasDep(libFoo, libBaz) {
t.Errorf("'lto_enabled' missing dependency on thin lto variant of transitive dep 'baz'")
t.Errorf("'foo' missing dependency on thin lto variant of transitive dep 'baz'")
}
libNeverLto := result.ModuleForTests("lib_never_lto", "android_arm64_armv8-a_static_lto-thin").Module()
if !hasDep(libLto, libNeverLto) {
t.Errorf("'lto_enabled' missing dependency on NO-thin lto variant of 'lib_never_lto'")
}
libBar := result.ModuleForTests("bar", "android_arm64_armv8-a_shared").Module()
if !hasDep(libLto, libBar) {
t.Errorf("'lto_enabled' missing dependency on non-thin lto variant of 'bar'")
}
barVariants := result.ModuleVariantsForTests("bar")
@ -88,3 +104,74 @@ func TestThinLtoDeps(t *testing.T) {
}
}
}
func TestThinLtoOnlyOnStaticDep(t *testing.T) {
bp := `
cc_library_shared {
name: "root",
srcs: ["src.c"],
static_libs: ["foo"],
}
cc_library_shared {
name: "root_no_lto",
srcs: ["src.c"],
static_libs: ["foo"],
lto: {
never: true,
}
}
cc_library_static {
name: "foo",
srcs: ["foo.c"],
static_libs: ["baz"],
lto: {
thin: true,
}
}
cc_library_static {
name: "baz",
srcs: ["baz.c"],
}
`
result := android.GroupFixturePreparers(
prepareForCcTest,
).RunTestWithBp(t, bp)
libRoot := result.ModuleForTests("root", "android_arm64_armv8-a_shared").Module()
libRootLtoNever := result.ModuleForTests("root_no_lto", "android_arm64_armv8-a_shared").Module()
hasDep := func(m android.Module, wantDep android.Module) bool {
var found bool
result.VisitDirectDeps(m, func(dep blueprint.Module) {
if dep == wantDep {
found = true
}
})
return found
}
libFoo := result.ModuleForTests("foo", "android_arm64_armv8-a_static")
if !hasDep(libRoot, libFoo.Module()) {
t.Errorf("'root' missing dependency on thin lto variant of 'foo'")
}
if !hasDep(libRootLtoNever, libFoo.Module()) {
t.Errorf("'root_no_lto' missing dependency on thin lto variant of 'foo'")
}
libFooCFlags := libFoo.Rule("cc").Args["cFlags"]
if w := "-flto=thin -fsplit-lto-unit"; !strings.Contains(libFooCFlags, w) {
t.Errorf("'foo' expected to have flags %q, but got %q", w, libFooCFlags)
}
libBaz := result.ModuleForTests("baz", "android_arm64_armv8-a_static_lto-thin")
if !hasDep(libFoo.Module(), libBaz.Module()) {
t.Errorf("'foo' missing dependency on thin lto variant of transitive dep 'baz'")
}
libBazCFlags := libFoo.Rule("cc").Args["cFlags"]
if w := "-flto=thin -fsplit-lto-unit"; !strings.Contains(libBazCFlags, w) {
t.Errorf("'baz' expected to have flags %q, but got %q", w, libFooCFlags)
}
}