clang/test/Analysis/std-c-library-functions-restrict.c

   1 // RUN: %clang_analyze_cc1 %s \
   2 // RUN:   -analyzer-checker=core \
   3 // RUN:   -analyzer-checker=unix.StdCLibraryFunctions \
   4 // RUN:   -analyzer-checker=debug.StdCLibraryFunctionsTester \
   5 // RUN:   -analyzer-config unix.StdCLibraryFunctions:DisplayLoadedSummaries=true \
   6 // RUN:   -triple i686-unknown-linux 2>&1 | FileCheck %s
   7
   8 // The signatures for these functions are the same and they specify their
   9 // parameter with the restrict qualifier. In C, the signature should match only
  10 // if the restrict qualifier is there on the parameter. Thus, the summary
  11 // should be loaded for the last two declarations only.
  12 void __test_restrict_param_0(void *p);
  13 void __test_restrict_param_1(void *__restrict p);
  14 void __test_restrict_param_2(void *restrict p);
  15
  16 // CHECK-NOT: Loaded summary for: void __test_restrict_param_0
  17 //     CHECK: Loaded summary for: void __test_restrict_param_1(void *restrict p)
  18 //     CHECK: Loaded summary for: void __test_restrict_param_2(void *restrict p)
  19
  20 // Must have at least one call expression to initialize the summary map.
  21 int bar(void);
  22 void foo(void) {
  23   bar();
  24 }