diff options
Diffstat (limited to 'clang/test/Analysis/range_casts.c')
-rw-r--r-- | clang/test/Analysis/range_casts.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/clang/test/Analysis/range_casts.c b/clang/test/Analysis/range_casts.c index f056cb85a33..682369cce66 100644 --- a/clang/test/Analysis/range_casts.c +++ b/clang/test/Analysis/range_casts.c @@ -73,6 +73,16 @@ void f7(long foo) clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} } +void f8(long foo) +{ + unsigned index = -1; + if (index < foo) index = foo; + if (index + 1L == 0L) + clang_analyzer_warnIfReached(); // no-warning + else + clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} +} + void f9(long foo) { unsigned index = -1; @@ -93,6 +103,16 @@ void f10(long foo) clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} } +void f11(long foo) +{ + unsigned index = -1; + if (index < foo) index = foo; + if (index + 1UL == 0L) + clang_analyzer_warnIfReached(); // no-warning + else + clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} +} + void f12(long foo) { unsigned index = -1; @@ -103,6 +123,16 @@ void f12(long foo) clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} } +void f13(int foo) +{ + unsigned short index = -1; + if (index < foo) index = foo; + if (index + 1 == 0) + clang_analyzer_warnIfReached(); // no-warning + else + clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}} +} + void f14(long foo) { unsigned index = -1; |