https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83082
Bug ID: 83082
Summary: [8 regression] libgomp.graphite/force-parallel-1.c
fails starting with r254888
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
I am seeing this on powerpc64 both LE and BE:
make -k check-target-libgomp
RUNTESTFLAGS=graphite.exp=libgomp.graphite/force-parallel-1.c
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/libgomp/testsuite/libgomp.graphite/force-parallel-1.c
-B/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgomp/
-B/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgomp/.libs
-I/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgomp
-I/home/seurer/gcc/gcc-test2/libgomp/testsuite/../../include
-I/home/seurer/gcc/gcc-test2/libgomp/testsuite/.. -fmessage-length=0
-fno-diagnostics-show-caret -Wno-hsa -fdiagnostics-color=never -fopenmp -ansi
-pedantic-errors -O2 -ftree-parallelize-loops=4 -floop-parallelize-all
-fdump-tree-parloops-details -fdump-tree-optimized -fno-loop-strip-mine
-fno-loop-block -fdump-tree-graphite-all
-L/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgomp/.libs
-lm -o ./force-parallel-1.exe
PASS: libgomp.graphite/force-parallel-1.c (test for excess errors)
Setting LD_LIBRARY_PATH to
.:/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgomp/.libs:/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/gcc/32:.:/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgomp/.libs:/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/gcc/32:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs:.:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libitm/.libs:/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libsanitizer/asan/.libs:.:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libitm/.libs:/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/powerpc64le-unknown-linux-gnu/./libsanitizer/asan/.libs:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.1.0/lib64
spawn [open ...]
PASS: libgomp.graphite/force-parallel-1.c execution test
FAIL: libgomp.graphite/force-parallel-1.c scan-tree-dump-times graphite "2
loops carried no dependency" 1 (found 0 times)
FAIL: libgomp.graphite/force-parallel-1.c scan-tree-dump-times optimized
"loopfn" 8 (found 12 times)
testcase
/home/seurer/gcc/gcc-test2/libgomp/testsuite/libgomp.graphite/graphite.exp
completed in 0 seconds
=== libgomp Summary ===
# of expected passes 2
# of unexpected failures 2
