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SUITE_profiling_clang_PROBE() {
touch test.c
if ! $COMPILER_TYPE_CLANG; then
echo "compiler is not Clang"
elif ! command -v llvm-profdata$CLANG_VERSION_SUFFIX >/dev/null; then
echo "llvm-profdata$CLANG_VERSION_SUFFIX tool not found"
elif ! $COMPILER -c -fdebug-prefix-map=old=new test.c 2>/dev/null; then
echo "compiler does not support -fdebug-prefix-map"
elif ! $COMPILER -c -fprofile-sample-accurate test.c 2>/dev/null; then
echo "compiler does not support -fprofile-sample-accurate"
fi
}
SUITE_profiling_clang_SETUP() {
echo 'int main(void) { return 0; }' >test.c
unset CCACHE_NODIRECT
}
SUITE_profiling_clang() {
# -------------------------------------------------------------------------
TEST "-fprofile-use=file"
mkdir data
$CCACHE_COMPILE -fprofile-generate=data -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$COMPILER -fprofile-generate=data test.o -o test
./test
llvm-profdata$CLANG_VERSION_SUFFIX merge -output foo.profdata data/default_*.profraw
$CCACHE_COMPILE -fprofile-use=foo.profdata -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 2
$CCACHE_COMPILE -fprofile-use=foo.profdata -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
./test
llvm-profdata$CLANG_VERSION_SUFFIX merge -output foo.profdata data/default_*.profraw
$CCACHE_COMPILE -fprofile-use=foo.profdata -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 3
# -------------------------------------------------------------------------
TEST "-fprofile-instr-use"
mkdir data
$CCACHE_COMPILE -fprofile-instr-generate -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$COMPILER -fprofile-instr-generate test.o -o test
./test
llvm-profdata$CLANG_VERSION_SUFFIX merge -output default.profdata default.profraw
$CCACHE_COMPILE -fprofile-instr-use -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 2
$CCACHE_COMPILE -fprofile-instr-use -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
echo >>default.profdata # Dummy change to trigger modification
$CCACHE_COMPILE -fprofile-instr-use -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 3
# -------------------------------------------------------------------------
TEST "-fprofile-instr-use=file"
$CCACHE_COMPILE -fprofile-instr-generate=foo.profraw -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$COMPILER -fprofile-instr-generate=data=foo.profraw test.o -o test
./test
llvm-profdata$CLANG_VERSION_SUFFIX merge -output foo.profdata foo.profraw
$CCACHE_COMPILE -fprofile-instr-use=foo.profdata -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 2
$CCACHE_COMPILE -fprofile-instr-use=foo.profdata -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
echo >>foo.profdata # Dummy change to trigger modification
$CCACHE_COMPILE -fprofile-instr-use=foo.profdata -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 3
# -------------------------------------------------------------------------
TEST "-fprofile-sample-use"
echo 'main:1:1' > sample.prof
$CCACHE_COMPILE -fprofile-sample-use=sample.prof -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$CCACHE_COMPILE -fprofile-sample-use=sample.prof -fprofile-sample-accurate -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 2
$CCACHE_COMPILE -fprofile-sample-use=sample.prof -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
$CCACHE_COMPILE -fprofile-sample-use=sample.prof -fprofile-sample-accurate -c test.c
expect_stat direct_cache_hit 2
expect_stat cache_miss 2
echo 'main:2:2' > sample.prof
$CCACHE_COMPILE -fprofile-sample-use=sample.prof -c test.c
expect_stat direct_cache_hit 2
expect_stat cache_miss 3
echo 'main:1:1' > sample.prof
$CCACHE_COMPILE -fprofile-sample-use=sample.prof -c test.c
expect_stat direct_cache_hit 3
expect_stat cache_miss 3
# -------------------------------------------------------------------------
TEST "-fprofile-update=single"
if $COMPILER -fprofile-update=single -fprofile-generate -c test.c 2>/dev/null; then
$CCACHE_COMPILE -fprofile-update=single -fprofile-generate -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$COMPILER -fprofile-generate -fprofile-update=single test.o -o test
./test
llvm-profdata$CLANG_VERSION_SUFFIX merge -output default.profdata default_*.profraw
$CCACHE_COMPILE -fprofile-update=single -fprofile-generate -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 1
$CCACHE_COMPILE -fprofile-use -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
fi
# -------------------------------------------------------------------------
TEST "-fprofile-update=atomic"
if $COMPILER -fprofile-update=atomic -fprofile-generate -c test.c 2>/dev/null; then
$CCACHE_COMPILE -fprofile-update=atomic -fprofile-generate -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$COMPILER -fprofile-generate -fprofile-update=atomic test.o -o test
./test
llvm-profdata$CLANG_VERSION_SUFFIX merge -output default.profdata default_*.profraw
$CCACHE_COMPILE -fprofile-update=atomic -fprofile-generate -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 1
$CCACHE_COMPILE -fprofile-use -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
fi
}
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