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[perf-training] Make training data location configurable

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We may wish to keep the PGO training data outside the repository. Add a
CMake variable to allow referencing an external lit testsuite.

Differential Revision: https://reviews.llvm.org/D71507
This commit is contained in:
Shoaib Meenai 2019-12-13 19:35:49 -08:00
parent ccc453eb57
commit 2c59c4ffb9
5 changed files with 11 additions and 5 deletions
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4
clang/utils/perf-training/CMakeLists.txt
View File

@ -10,6 +10,10 @@ endif ()
string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} CLANG_TOOLS_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
set(CLANG_PGO_TRAINING_DATA "${CMAKE_CURRENT_SOURCE_DIR}" CACHE PATH
"The path to a lit testsuite containing samples for PGO and order file generation"
)
if(LLVM_BUILD_INSTRUMENTED)
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in

2
clang/utils/perf-training/lit.cfg
View File

@ -27,7 +27,7 @@ config.clang = lit.util.which('clang', config.clang_tools_dir).replace('\\', '/'
config.name = 'Clang Perf Training'
config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.S', '.modulemap']
cc1_wrapper = '%s %s/perf-helper.py cc1' % (config.python_exe, config.test_source_root)
cc1_wrapper = '%s %s/perf-helper.py cc1' % (config.python_exe, config.perf_helper_dir)
use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
config.test_format = lit.formats.ShTest(use_lit_shell == "0")

3
clang/utils/perf-training/lit.site.cfg.in
View File

@ -3,8 +3,9 @@
import sys
config.clang_tools_dir = "@CLANG_TOOLS_DIR@"
config.perf_helper_dir = "@CMAKE_CURRENT_SOURCE_DIR@"
config.test_exec_root = "@CMAKE_CURRENT_BINARY_DIR@"
config.test_source_root = "@CMAKE_CURRENT_SOURCE_DIR@"
config.test_source_root = "@CLANG_PGO_TRAINING_DATA@"
config.target_triple = "@TARGET_TRIPLE@"
config.python_exe = "@PYTHON_EXECUTABLE@"

4
clang/utils/perf-training/order-files.lit.cfg
View File

@ -28,8 +28,8 @@ config.clang = os.path.realpath(lit.util.which('clang', config.clang_tools_dir))
config.name = 'Clang Perf Training'
config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.S', '.modulemap']
dtrace_wrapper = '%s %s/perf-helper.py dtrace' % (config.python_exe, config.test_source_root)
dtrace_wrapper_cc1 = '%s %s/perf-helper.py dtrace --cc1' % (config.python_exe, config.test_source_root)
dtrace_wrapper = '%s %s/perf-helper.py dtrace' % (config.python_exe, config.perf_helper_dir)
dtrace_wrapper_cc1 = '%s %s/perf-helper.py dtrace --cc1' % (config.python_exe, config.perf_helper_dir)
if 'darwin' in config.target_triple:
lit_config.note('using DTrace oneshot probe')

3
clang/utils/perf-training/order-files.lit.site.cfg.in
View File

@ -3,8 +3,9 @@
import sys
config.clang_tools_dir = "@CLANG_TOOLS_DIR@"
config.perf_helper_dir = "@CMAKE_CURRENT_SOURCE_DIR@"
config.test_exec_root = "@CMAKE_CURRENT_BINARY_DIR@"
config.test_source_root = "@CMAKE_CURRENT_SOURCE_DIR@"
config.test_source_root = "@CLANG_PGO_TRAINING_DATA@"
config.target_triple = "@TARGET_TRIPLE@"
config.python_exe = "@PYTHON_EXECUTABLE@"