diff options
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/Analysis/vector.c | 28 | 
1 files changed, 28 insertions, 0 deletions
| diff --git a/clang/test/Analysis/vector.c b/clang/test/Analysis/vector.c new file mode 100644 index 00000000000..32b568f6b00 --- /dev/null +++ b/clang/test/Analysis/vector.c @@ -0,0 +1,28 @@ +// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s + +typedef int __attribute__((ext_vector_type(2))) V; + +void clang_analyzer_numTimesReached(); +void clang_analyzer_eval(int); + +int flag; + +V pass_through_and_set_flag(V v) { +  flag = 1; +  return v; +} + +V dont_crash_and_dont_split_state(V x, V y) { +  flag = 0; +  V z = x && pass_through_and_set_flag(y); +  clang_analyzer_eval(flag); // expected-warning{{TRUE}} +  // FIXME: For now we treat vector operator && as short-circuit, +  // but in fact it is not. It should always evaluate +  // pass_through_and_set_flag(). It should not split state. +  // Now we also get FALSE on the other path. +  // expected-warning@-5{{FALSE}} + +  // FIXME: Should be 1 since we should not split state. +  clang_analyzer_numTimesReached(); // expected-warning{{2}} +  return z; +} | 

