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-rw-r--r--test/Analysis/misc-ps-region-store.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/test/Analysis/misc-ps-region-store.cpp b/test/Analysis/misc-ps-region-store.cpp
new file mode 100644
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--- /dev/null
+++ b/test/Analysis/misc-ps-region-store.cpp
@@ -0,0 +1,91 @@
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
+
+// Test basic handling of references.
+char &test1_aux();
+char *test1() {
+ return &test1_aux();
+}
+
+// Test test1_aux() evaluates to char &.
+char test1_as_rvalue() {
+ return test1_aux();
+}
+
+// Test passing a value as a reference. The 'const' in test2_aux() adds
+// an ImplicitCastExpr, which is evaluated as an lvalue.
+int test2_aux(const int &n);
+int test2(int n) {
+ return test2_aux(n);
+}
+
+int test2_b_aux(const short &n);
+int test2_b(int n) {
+ return test2_b_aux(n);
+}
+
+// Test getting the lvalue of a derived and converting it to a base. This
+// previously crashed.
+class Test3_Base {};
+class Test3_Derived : public Test3_Base {};
+
+int test3_aux(Test3_Base &x);
+int test3(Test3_Derived x) {
+ return test3_aux(x);
+}
+
+int test_init_in_condition_aux();
+int test_init_in_condition() {
+ if (int x = test_init_in_condition_aux()) { // no-warning
+ return 1;
+ }
+ return 0;
+}
+
+int test_init_in_condition_switch() {
+ switch (int x = test_init_in_condition_aux()) { // no-warning
+ case 1:
+ return 0;
+ case 2:
+ if (x == 2)
+ return 0;
+ else {
+ // Unreachable.
+ int *p = 0;
+ *p = 0xDEADBEEF; // no-warning
+ }
+ default:
+ break;
+ }
+ return 0;
+}
+
+int test_init_in_condition_while() {
+ int z = 0;
+ while (int x = ++z) { // no-warning
+ if (x == 2)
+ break;
+ }
+
+ if (z == 2)
+ return 0;
+
+ int *p = 0;
+ *p = 0xDEADBEEF; // no-warning
+ return 0;
+}
+
+
+int test_init_in_condition_for() {
+ int z = 0;
+ for (int x = 0; int y = ++z; ++x) {
+ if (x == y) // no-warning
+ break;
+ }
+ if (z == 1)
+ return 0;
+
+ int *p = 0;
+ *p = 0xDEADBEEF; // no-warning
+ return 0;
+}
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