diff options
Diffstat (limited to 'gcc/testsuite/jit.dg/test-error-bad-bitcast.c')
-rw-r--r-- | gcc/testsuite/jit.dg/test-error-bad-bitcast.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gcc/testsuite/jit.dg/test-error-bad-bitcast.c b/gcc/testsuite/jit.dg/test-error-bad-bitcast.c new file mode 100644 index 0000000..6428906 --- /dev/null +++ b/gcc/testsuite/jit.dg/test-error-bad-bitcast.c @@ -0,0 +1,62 @@ +#include <stdlib.h> +#include <stdio.h> + +#include "libgccjit.h" + +#include "harness.h" + +void +create_code (gcc_jit_context *ctxt, void *user_data) +{ + /* Let's try to inject the equivalent of: + + int + test_fn () + { + char f[4096]; + return bitcast(f, int); + } + + and verify that the API complains about the bad cast. + */ + gcc_jit_type *int_type = + gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT); + gcc_jit_type *char_type = + gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_CHAR); + + + gcc_jit_type *array_type = + gcc_jit_context_new_array_type (ctxt, NULL, char_type, 4096); + + gcc_jit_function *test_fn = + gcc_jit_context_new_function (ctxt, NULL, + GCC_JIT_FUNCTION_EXPORTED, + int_type, + "test_fn", + 0, NULL, + 0); + gcc_jit_lvalue *f = + gcc_jit_function_new_local ( + test_fn, + NULL, + array_type, "f"); + + gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL); + + gcc_jit_block_end_with_return ( + block, NULL, + gcc_jit_context_new_bitcast (ctxt, NULL, + gcc_jit_lvalue_as_rvalue (f), + int_type)); +} + +void +verify_code (gcc_jit_context *ctxt, gcc_jit_result *result) +{ + CHECK_VALUE (result, NULL); + + /* Verify that the correct error message was emitted. */ + CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt), + "bitcast with types of different sizes"); +} + |