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authorDimitry Andric <dim@FreeBSD.org>2012-12-02 13:20:44 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-12-02 13:20:44 +0000
commit13cc256e404620c1de0cbcc4e43ce1e2dbbc4898 (patch)
tree2732d02d7d51218d6eed98ac7fcfc5b8794896b5 /test/Analysis/logical-ops.c
parent657bc3d9848e3be92029b2416031340988cd0111 (diff)
Notes
Diffstat (limited to 'test/Analysis/logical-ops.c')
-rw-r--r--test/Analysis/logical-ops.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Analysis/logical-ops.c b/test/Analysis/logical-ops.c
new file mode 100644
index 000000000000..a1223b39fa89
--- /dev/null
+++ b/test/Analysis/logical-ops.c
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify %s
+
+void clang_analyzer_eval(int);
+
+void testAnd(int i, int *p) {
+ int *nullP = 0;
+ int *knownP = &i;
+ clang_analyzer_eval((knownP && knownP) == 1); // expected-warning{{TRUE}}
+ clang_analyzer_eval((knownP && nullP) == 0); // expected-warning{{TRUE}}
+ clang_analyzer_eval((knownP && p) == 1); // expected-warning{{UNKNOWN}}
+}
+
+void testOr(int i, int *p) {
+ int *nullP = 0;
+ int *knownP = &i;
+ clang_analyzer_eval((nullP || knownP) == 1); // expected-warning{{TRUE}}
+ clang_analyzer_eval((nullP || nullP) == 0); // expected-warning{{TRUE}}
+ clang_analyzer_eval((nullP || p) == 1); // expected-warning{{UNKNOWN}}
+}
+
+
+// PR13461
+int testTypeIsInt(int i, void *p) {
+ if (i | (p && p))
+ return 1;
+ return 0;
+}