| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s |
| 2 | // (sanity check) |
| 3 | |
| 4 | // RUN: rm -rf %t.dir |
| 5 | // RUN: mkdir -p %t.dir |
| 6 | // |
| 7 | // RUN: %clang_analyze_cc1 -o %t.dir/index.plist %s \ |
| 8 | // RUN: -analyzer-checker=core -analyzer-output=plist-html |
| 9 | // |
| 10 | // RUN: ls %t.dir | grep '\.html' | count 1 |
| 11 | // RUN: grep '\.html' %t.dir/index.plist | count 1 |
| 12 | |
| 13 | // This tests two things: that the two calls to null_deref below are coalesced |
| 14 | // into a single bug by both the plist and HTML diagnostics, and that the plist |
| 15 | // diagnostics have a reference to the HTML diagnostics. (It would be nice to |
| 16 | // check more carefully that the two actually match, but that's hard to write |
| 17 | // in a lit RUN line.) |
| 18 | |
| 19 | #define CALL_FN(a) null_deref(a) |
| 20 | |
| 21 | void null_deref(int *a) { |
| 22 | if (a) |
| 23 | return; |
| 24 | *a = 1; // expected-warning{{null}} |
| 25 | } |
| 26 | |
| 27 | void test1() { |
| 28 | CALL_FN(0); |
| 29 | } |
| 30 | |
| 31 | void test2(int *p) { |
| 32 | CALL_FN(p); |
| 33 | } |
| 34 | |