Author: cbieneman
Date: Wed Aug 24 17:09:46 2016
New Revision: 279673
URL: http://llvm.org/viewvc/llvm-project?rev=279673&view=rev
Log:
[Order Files] On Darwin use DTrace's oneshot probe
The oneshot probe only gets executed the first time the probe is hit in the
process. For order file generation this is really all we care about.
Modified:
cfe/trunk/utils/perf-training/order-files.lit.cfg
Modified: cfe/trunk/utils/perf-training/order-files.lit.cfg
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/perf-training/order-files.lit.cfg?rev=279673&r1=279672&r2=279673&view=diff
==============================================================================
--- cfe/trunk/utils/perf-training/order-files.lit.cfg (original)
+++ cfe/trunk/utils/perf-training/order-files.lit.cfg Wed Aug 24 17:09:46 2016
@@ -30,6 +30,11 @@ config.suffixes = ['.c', '.cpp', '.m', '
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)
+if 'darwin' in config.target_triple:
+ lit_config.note('using DTrace oneshot probe')
+ dtrace_wrapper = '%s --use-oneshot' % dtrace_wrapper
+ dtrace_wrapper_cc1 = '%s --use-oneshot' % dtrace_wrapper_cc1
+
use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
config.test_format = lit.formats.ShTest(use_lit_shell == "0")
config.substitutions.append( ('%clang_cpp_skip_driver', ' %s %s
--driver-mode=cpp %s ' % (dtrace_wrapper_cc1, config.clang, sysroot_flags)))
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