diff options
| author | dim <dim@FreeBSD.org> | 2011-02-20 13:06:31 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-02-20 13:06:31 +0000 |
| commit | 39fcc9a984e2820e4ea0fa2ac4abd17d9f3a31df (patch) | |
| tree | a9243275843fbeaa590afc07ee888e006b8d54ea /test/Analysis/idempotent-operations-limited-loops.c | |
| parent | 69b4eca4a4255ba43baa5c1d9bbdec3ec17f479e (diff) | |
| download | FreeBSD-src-39fcc9a984e2820e4ea0fa2ac4abd17d9f3a31df.zip FreeBSD-src-39fcc9a984e2820e4ea0fa2ac4abd17d9f3a31df.tar.gz | |
Vendor import of clang trunk r126079:
http://llvm.org/svn/llvm-project/cfe/trunk@126079
Diffstat (limited to 'test/Analysis/idempotent-operations-limited-loops.c')
| -rw-r--r-- | test/Analysis/idempotent-operations-limited-loops.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Analysis/idempotent-operations-limited-loops.c b/test/Analysis/idempotent-operations-limited-loops.c new file mode 100644 index 0000000..e4c34cd --- /dev/null +++ b/test/Analysis/idempotent-operations-limited-loops.c @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-max-loop 3 -verify %s +// RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-max-loop 4 -verify %s +// RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps %s -verify + +void always_warning() { int *p = 0; *p = 0xDEADBEEF; } // expected-warning{{Dereference of null pointer (loaded from variable 'p')}} + +// This test case previously caused a bogus idempotent operation warning +// due to us not properly culling warnings due to incomplete analysis of loops. +int pr8403() +{ + int i; + for(i=0; i<10; i++) + { + int j; + for(j=0; j+1<i; j++) + { + } + } + return 0; +} + |
