diff options
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr97456.c | 40 | ||||
| -rw-r--r-- | gcc/tree-complex.c | 3 |
2 files changed, 42 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr97456.c b/gcc/testsuite/gcc.dg/tree-ssa/pr97456.c new file mode 100644 index 0000000..5171c9b --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr97456.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fwhole-program" } */ + + +float val2 = 1.710780f; +float val3; +volatile float vf; + +int __attribute__((noipa)) +get_bool (void) +{ + return 1; +} + +int __attribute__((noinline)) +wrong (float *pos) +{ + _Complex float a; + + __real__ a = *pos; + __imag__ a = *pos; + + _Complex float b = 0 + 0i; + + b = b + a; + + if (b == 0.0f) + return 1; + + vf = __imag__ b; + return 0; +} + +int main(int argc, char **argv) { + float val = get_bool () == 1 ? val2 : val3; + + if ((wrong(&val), wrong(&val))) + __builtin_abort (); + return 0; +} diff --git a/gcc/tree-complex.c b/gcc/tree-complex.c index 2e54bbb..f132e0f 100644 --- a/gcc/tree-complex.c +++ b/gcc/tree-complex.c @@ -569,7 +569,8 @@ set_component_ssa_name (tree ssa_name, bool imag_p, tree value) { /* Replace an anonymous base value with the variable from cvc_lookup. This should result in better debug info. */ - if (SSA_NAME_VAR (ssa_name) + if (!SSA_NAME_IS_DEFAULT_DEF (value) + && SSA_NAME_VAR (ssa_name) && (!SSA_NAME_VAR (value) || DECL_IGNORED_P (SSA_NAME_VAR (value))) && !DECL_IGNORED_P (SSA_NAME_VAR (ssa_name))) { |