Remove all unused, legacy FDO build rules

There are no current users of this feature. All remaining references are
legacy scripts that aren't actually in-use today.

https://source.corp.google.com/search?q=BUILD_FDO_INSTRUMENT%20-file:build%2F
https://source.corp.google.com/search?q=LOCAL_FDO&ct=os&sq=package:%5Eandroid$

Test: build
Change-Id: I86ff6531a0868fb8e30741f0d04de1739fba4586
This commit is contained in:
Stephen Hines 2021-04-05 17:12:32 -07:00
parent 39e9090e7e
commit d49aa55cf1
7 changed files with 0 additions and 65 deletions

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@ -471,27 +471,6 @@ ifneq ($(foreach i,$(my_c_includes),$(filter %/..,$(i))$(findstring /../,$(i))),
my_soong_problems += dotdot_incs
endif
####################################################
## Add FDO flags if FDO is turned on and supported
## Please note that we will do option filtering during FDO build.
## i.e. Os->O2, remove -fno-early-inline and -finline-limit.
##################################################################
my_fdo_build :=
ifneq ($(filter true always, $(LOCAL_FDO_SUPPORT)),)
ifeq ($(BUILD_FDO_INSTRUMENT),true)
my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_CFLAGS)
my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_LDFLAGS)
my_fdo_build := true
else ifneq ($(filter true,$(BUILD_FDO_OPTIMIZE))$(filter always,$(LOCAL_FDO_SUPPORT)),)
my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_OPTIMIZE_CFLAGS)
my_fdo_build := true
endif
# Disable ccache (or other compiler wrapper) except gomacc, which
# can handle -fprofile-use properly.
my_cc_wrapper := $(filter $(GOMA_CC) $(RBE_WRAPPER),$(my_cc_wrapper))
my_cxx_wrapper := $(filter $(GOMA_CC) $(RBE_WRAPPER),$(my_cxx_wrapper))
endif
###########################################################
## Explicitly declare assembly-only __ASSEMBLY__ macro for
## assembly source
@ -1479,12 +1458,6 @@ my_cppflags := $(call convert-to-clang-flags,$(my_cppflags))
my_asflags := $(call convert-to-clang-flags,$(my_asflags))
my_ldflags := $(call convert-to-clang-flags,$(my_ldflags))
ifeq ($(my_fdo_build), true)
my_cflags := $(patsubst -Os,-O2,$(my_cflags))
fdo_incompatible_flags := -fno-early-inlining -finline-limit=%
my_cflags := $(filter-out $(fdo_incompatible_flags),$(my_cflags))
endif
# No one should ever use this flag. On GCC it's mere presence will disable all
# warnings, even those that are specified after it (contrary to typical warning
# flag behavior). This circumvents CFLAGS_NO_OVERRIDE from forcibly enabling the

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@ -100,7 +100,6 @@ LOCAL_EXPORT_STATIC_LIBRARY_HEADERS:=
LOCAL_EXTRA_FULL_TEST_CONFIGS:=
LOCAL_EXTRACT_APK:=
LOCAL_EXTRACT_DPI_APK:=
LOCAL_FDO_SUPPORT:=
LOCAL_FILE_CONTEXTS:=
LOCAL_FINDBUGS_FLAGS:=
LOCAL_FORCE_STATIC_EXECUTABLE:=

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@ -64,7 +64,6 @@ ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
include $(BUILD_SYSTEM)/combo/fdo.mk
define $(combo_var_prefix)transform-shared-lib-to-toc
$(call _gen_toc_command_for_elf,$(1),$(2))

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@ -39,7 +39,6 @@ $(error Unknown ARM architecture version: $(TARGET_ARCH_VARIANT))
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
include $(BUILD_SYSTEM)/combo/fdo.mk
define $(combo_var_prefix)transform-shared-lib-to-toc
$(call _gen_toc_command_for_elf,$(1),$(2))

View file

@ -32,7 +32,6 @@ $(error Unknown $(TARGET_$(combo_2nd_arch_prefix)ARCH) architecture version: $(T
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
include $(BUILD_SYSTEM)/combo/fdo.mk
define $(combo_var_prefix)transform-shared-lib-to-toc
$(call _gen_toc_command_for_elf,$(1),$(2))

View file

@ -32,7 +32,6 @@ $(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT))
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
include $(BUILD_SYSTEM)/combo/fdo.mk
define $(combo_var_prefix)transform-shared-lib-to-toc
$(call _gen_toc_command_for_elf,$(1),$(2))

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@ -1,33 +0,0 @@
#
# Copyright (C) 2006 The Android Open Source Project
#
# 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.
#
# Setup FDO related flags.
$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
# Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
# The profile will be generated on /sdcard/fdo_profile on the device.
$(combo_2nd_arch_prefix)TARGET_FDO_INSTRUMENT_CFLAGS := -fprofile-generate=/sdcard/fdo_profile -DANDROID_FDO
$(combo_2nd_arch_prefix)TARGET_FDO_INSTRUMENT_LDFLAGS := -lgcov -lgcc
# Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
$(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := vendor/google_data/fdo_profile
endif
$(combo_2nd_arch_prefix)TARGET_FDO_OPTIMIZE_CFLAGS := \
-fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) \
-DANDROID_FDO -fprofile-correction -Wcoverage-mismatch -Wno-error