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[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

llvm-svn: 292737
This commit is contained in:
Marcos Pividori 2017-01-22 01:27:42 +00:00
parent 6137f98c2a
commit 403007e3c1
1 changed files with 1 additions and 11 deletions
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12
llvm/lib/Fuzzer/test/CMakeLists.txt
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@ -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).