================
@@ -0,0 +1,198 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection
-verify=expected,default %s
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection
-analyzer-config legacy-inlining-prevention=false -verify=expected,disabled %s
+
+int getNum(void); // Get an opaque number.
+
+void clang_analyzer_numTimesReached(void);
+void clang_analyzer_dump(int arg);
+
+//-----------------------------------------------------------------------------
+// Simple case: inlined function never reaches `analyzer-max-loop`.
+
+int inner_simple(void) {
+ clang_analyzer_numTimesReached(); // expected-warning {{2}}
+ return 42;
+}
+
+int outer_simple(void) {
+ int x = inner_simple();
+ int y = inner_simple();
+ return 53 / (x - y); // expected-warning {{Division by zero}}
+}
+
+//-----------------------------------------------------------------------------
+// Inlined function always reaches `analyzer-max-loop`.
+
+int inner_fixed_loop_1(void) {
+ int i;
+ clang_analyzer_numTimesReached(); // expected-warning {{1}}
+ for (i = 0; i < 10; i++);
+ clang_analyzer_numTimesReached(); // no-warning
+ return 42;
+}
+
+int outer_fixed_loop_1(void) {
+ int x = inner_fixed_loop_1();
+ int y = inner_fixed_loop_1();
+ return 53 / (x - y); // no-warning
+}
+
+//-----------------------------------------------------------------------------
+// Inlined function always reaches `analyzer-max-loop`; inlining is prevented
+// even for different entry points.
+// This test uses `clang_analyzer_dump` and distinct `arg` values because
+// `clang_analyzer_numTimesReached` only counts the paths reaching that node
+// during the analysis of one particular entry point, so it cannot distinguish
+// "two entry points reached this, both with one path" (where the two reports
+// are unified as duplicates by the generic report postprocessing) and "one
+// entry point reached this with one path" (where naturally nothing shows that
+// the second entry point _tried_ to reach it).
+
+int inner_fixed_loop_2(int arg) {
+ // Identical copy of inner_fixed_loop_1
+ int i;
+ clang_analyzer_dump(arg); // expected-warning {{2}}
+ for (i = 0; i < 10; i++);
+ clang_analyzer_dump(arg); // no-warning
----------------
balazs-benics-sonarsource wrote:
FIXME.
https://github.com/llvm/llvm-project/pull/136720
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
