[llvm] r292737 - [libFuzzer] Remove optimization flags for tests.

[Marcos Pividori via llvm-commits]

Author: mpividori
Date: Sat Jan 21 19:27:42 2017
New Revision: 292737

URL: http://llvm.org/viewvc/llvm-project?rev=292737&view=rev
Log:
[libFuzzer] Remove optimization flags for tests.

We need to build all the tests with -O0, otherwise optimizations may merge some
basic blocks and the tests will fail.
In this diff, I simplify the cmake implementation and I remove the flags for
Windows too (/O[123s]).

Differential Revision: https://reviews.llvm.org/D28632

Modified:
    llvm/trunk/lib/Fuzzer/test/CMakeLists.txt

Modified: llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/CMakeLists.txt?rev=292737&r1=292736&r2=292737&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/CMakeLists.txt Sat Jan 21 19:27:42 2017
@@ -11,17 +11,7 @@ set(variables_to_filter
   LIBFUZZER_FLAGS_BASE
   )
 foreach (VARNAME ${variables_to_filter})
-  string(REPLACE " " ";" BUILD_FLAGS_AS_LIST "${${VARNAME}}")
-  set(new_flags "")
-  foreach (flag ${BUILD_FLAGS_AS_LIST})
-    # NOTE: Use of XX here is to avoid a CMake warning due to CMP0054
-    if (NOT ("XX${flag}" MATCHES "XX-O[0123s]"))
-      set(new_flags "${new_flags} ${flag}")
-    else()
-      set(new_flags "${new_flags} -O0")
-    endif()
-  endforeach()
-  set(${VARNAME} "${new_flags}")
+  string(REGEX REPLACE "([-/]O)[123s]" "\\10" ${VARNAME} "${${VARNAME}}")
 endforeach()
 
 # Enable the coverage instrumentation (it is disabled for the Fuzzer lib).