| // Copyright 2022 Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package cc |
| |
| import ( |
| "strings" |
| "testing" |
| |
| "android/soong/android" |
| |
| "github.com/google/blueprint" |
| ) |
| |
| type visitDirectDepsInterface interface { |
| VisitDirectDeps(blueprint.Module, func(dep blueprint.Module)) |
| } |
| |
| func hasDirectDep(ctx visitDirectDepsInterface, m android.Module, wantDep android.Module) bool { |
| var found bool |
| ctx.VisitDirectDeps(m, func(dep blueprint.Module) { |
| if dep == wantDep { |
| found = true |
| } |
| }) |
| return found |
| } |
| |
| func TestAfdoDeps(t *testing.T) { |
| t.Parallel() |
| bp := ` |
| cc_library_shared { |
| name: "libTest", |
| srcs: ["test.c"], |
| static_libs: ["libFoo"], |
| afdo: true, |
| } |
| |
| cc_library_static { |
| name: "libFoo", |
| srcs: ["foo.c"], |
| static_libs: ["libBar"], |
| } |
| |
| cc_library_static { |
| name: "libBar", |
| srcs: ["bar.c"], |
| } |
| ` |
| prepareForAfdoTest := android.FixtureAddTextFile("toolchain/pgo-profiles/sampling/libTest.afdo", "TEST") |
| |
| result := android.GroupFixturePreparers( |
| prepareForCcTest, |
| prepareForAfdoTest, |
| ).RunTestWithBp(t, bp) |
| |
| libTest := result.ModuleForTests("libTest", "android_arm64_armv8-a_shared") |
| libFoo := result.ModuleForTests("libFoo", "android_arm64_armv8-a_static_afdo-libTest") |
| libBar := result.ModuleForTests("libBar", "android_arm64_armv8-a_static_afdo-libTest") |
| |
| if !hasDirectDep(result, libTest.Module(), libFoo.Module()) { |
| t.Errorf("libTest missing dependency on afdo variant of libFoo") |
| } |
| |
| if !hasDirectDep(result, libFoo.Module(), libBar.Module()) { |
| t.Errorf("libTest missing dependency on afdo variant of libBar") |
| } |
| |
| cFlags := libTest.Rule("cc").Args["cFlags"] |
| if w := "-fprofile-sample-accurate"; !strings.Contains(cFlags, w) { |
| t.Errorf("Expected 'libTest' to enable afdo, but did not find %q in cflags %q", w, cFlags) |
| } |
| |
| cFlags = libFoo.Rule("cc").Args["cFlags"] |
| if w := "-fprofile-sample-accurate"; !strings.Contains(cFlags, w) { |
| t.Errorf("Expected 'libFoo' to enable afdo, but did not find %q in cflags %q", w, cFlags) |
| } |
| |
| cFlags = libBar.Rule("cc").Args["cFlags"] |
| if w := "-fprofile-sample-accurate"; !strings.Contains(cFlags, w) { |
| t.Errorf("Expected 'libBar' to enable afdo, but did not find %q in cflags %q", w, cFlags) |
| } |
| } |
| |
| func TestAfdoEnabledOnStaticDepNoAfdo(t *testing.T) { |
| t.Parallel() |
| bp := ` |
| cc_library_shared { |
| name: "libTest", |
| srcs: ["foo.c"], |
| static_libs: ["libFoo"], |
| } |
| |
| cc_library_static { |
| name: "libFoo", |
| srcs: ["foo.c"], |
| static_libs: ["libBar"], |
| afdo: true, // TODO(b/256670524): remove support for enabling afdo from static only libraries, this can only propagate from shared libraries/binaries |
| } |
| |
| cc_library_static { |
| name: "libBar", |
| } |
| ` |
| prepareForAfdoTest := android.FixtureAddTextFile("toolchain/pgo-profiles/sampling/libFoo.afdo", "TEST") |
| |
| result := android.GroupFixturePreparers( |
| prepareForCcTest, |
| prepareForAfdoTest, |
| ).RunTestWithBp(t, bp) |
| |
| libTest := result.ModuleForTests("libTest", "android_arm64_armv8-a_shared").Module() |
| libFoo := result.ModuleForTests("libFoo", "android_arm64_armv8-a_static") |
| libBar := result.ModuleForTests("libBar", "android_arm64_armv8-a_static").Module() |
| |
| if !hasDirectDep(result, libTest, libFoo.Module()) { |
| t.Errorf("libTest missing dependency on afdo variant of libFoo") |
| } |
| |
| if !hasDirectDep(result, libFoo.Module(), libBar) { |
| t.Errorf("libFoo missing dependency on afdo variant of libBar") |
| } |
| |
| fooVariants := result.ModuleVariantsForTests("foo") |
| for _, v := range fooVariants { |
| if strings.Contains(v, "afdo-") { |
| t.Errorf("Expected no afdo variant of 'foo', got %q", v) |
| } |
| } |
| |
| cFlags := libFoo.Rule("cc").Args["cFlags"] |
| if w := "-fprofile-sample-accurate"; strings.Contains(cFlags, w) { |
| t.Errorf("Expected 'foo' to not enable afdo, but found %q in cflags %q", w, cFlags) |
| } |
| |
| barVariants := result.ModuleVariantsForTests("bar") |
| for _, v := range barVariants { |
| if strings.Contains(v, "afdo-") { |
| t.Errorf("Expected no afdo variant of 'bar', got %q", v) |
| } |
| } |
| |
| } |
| |
| func TestAfdoEnabledWithRuntimeDepNoAfdo(t *testing.T) { |
| bp := ` |
| cc_library { |
| name: "libTest", |
| srcs: ["foo.c"], |
| runtime_libs: ["libFoo"], |
| afdo: true, |
| } |
| |
| cc_library { |
| name: "libFoo", |
| } |
| ` |
| prepareForAfdoTest := android.FixtureAddTextFile("toolchain/pgo-profiles/sampling/libTest.afdo", "TEST") |
| |
| result := android.GroupFixturePreparers( |
| prepareForCcTest, |
| prepareForAfdoTest, |
| ).RunTestWithBp(t, bp) |
| |
| libFooVariants := result.ModuleVariantsForTests("libFoo") |
| for _, v := range libFooVariants { |
| if strings.Contains(v, "afdo-") { |
| t.Errorf("Expected no afdo variant of 'foo', got %q", v) |
| } |
| } |
| } |