Hi! The following patch adds testcase coverage to make sure -f{,no-}sanitize{,-recover}= options are all passed to the compiler backend from the driver.
All these tests were broken by the earlier option handling patch from H.J.: https://gcc.gnu.org/ml/gcc-patches/2019-02/msg00492.html and as nothing in the testsuite revealed the patch broke this, I think we want to cover this in the testsuite. Tested on x86_64-linux with make check-gcc check-c++-all RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} ubsan.exp=opts*' with current trunk (all tests PASS) and with trunk patched with the above patch (all tests FAIL). Ok for trunk? 2019-02-14 Jakub Jelinek <ja...@redhat.com> * c-c++-common/ubsan/opts-1.c: New test. * c-c++-common/ubsan/opts-2.c: New test. * c-c++-common/ubsan/opts-3.c: New test. * c-c++-common/ubsan/opts-4.c: New test. --- gcc/testsuite/c-c++-common/ubsan/opts-1.c.jj 2019-02-14 11:31:33.144895232 +0100 +++ gcc/testsuite/c-c++-common/ubsan/opts-1.c 2019-02-14 11:33:23.049077585 +0100 @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-fsanitize=undefined -fsanitize=shift -fsanitize=float-divide-by-zero -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_divrem_overflow" 2 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_shift_out_of_bounds" 1 "optimized" } } */ + +int +foo (int x, int y) +{ + return x / y; +} + +int +bar (int x, int y) +{ + return x << y; +} + +float +baz (float x, float y) +{ + return x / y; +} --- gcc/testsuite/c-c++-common/ubsan/opts-2.c.jj 2019-02-14 11:33:29.806965829 +0100 +++ gcc/testsuite/c-c++-common/ubsan/opts-2.c 2019-02-14 11:34:03.169414166 +0100 @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-fsanitize=undefined -fno-sanitize=shift -fsanitize=float-divide-by-zero -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_divrem_overflow" 2 "optimized" } } */ +/* { dg-final { scan-tree-dump-not "__ubsan_handle_shift_out_of_bounds" "optimized" } } */ + +int +foo (int x, int y) +{ + return x / y; +} + +int +bar (int x, int y) +{ + return x << y; +} + +float +baz (float x, float y) +{ + return x / y; +} --- gcc/testsuite/c-c++-common/ubsan/opts-3.c.jj 2019-02-14 11:34:10.538292322 +0100 +++ gcc/testsuite/c-c++-common/ubsan/opts-3.c 2019-02-14 11:34:35.512879358 +0100 @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-fsanitize=undefined -fno-sanitize=shift -fno-sanitize=float-divide-by-zero -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_divrem_overflow" 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-not "__ubsan_handle_shift_out_of_bounds" "optimized" } } */ + +int +foo (int x, int y) +{ + return x / y; +} + +int +bar (int x, int y) +{ + return x << y; +} + +float +baz (float x, float y) +{ + return x / y; +} --- gcc/testsuite/c-c++-common/ubsan/opts-4.c.jj 2019-02-14 11:40:35.771922337 +0100 +++ gcc/testsuite/c-c++-common/ubsan/opts-4.c 2019-02-14 11:40:29.220030674 +0100 @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-fsanitize=undefined -fno-sanitize-recover=integer-divide-by-zero -fno-sanitize-recover=shift -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_divrem_overflow_abort" 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_shift_out_of_bounds_abort" 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "__ubsan_handle_type_mismatch_v1" 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-not "__ubsan_handle_type_mismatch_v1_abort" "optimized" } } */ + +int +foo (int x, int y) +{ + return x / y; +} + +int +bar (int x, int y) +{ + return x << y; +} + +enum E { E0, E1, E2, E3 }; + +enum E +baz (enum E *x) +{ + return *x; +} Jakub