Extend lto_test
Test: go test soong cc tests
Change-Id: I3ddc53f0984b7cd4b40ff17b1f93a9b4db62f94c
diff --git a/cc/lto_test.go b/cc/lto_test.go
index b52f2b6..afd2c77 100644
--- a/cc/lto_test.go
+++ b/cc/lto_test.go
@@ -24,29 +24,35 @@
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 @@
).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 @@
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 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)
+ }
+}