clang/test/Analysis/silence-checkers-and-packages-core-all.cpp

   1 // RUN: %clang_analyze_cc1 \
   2 // RUN:  -analyzer-checker=core -analyzer-config \
   3 // RUN:   silence-checkers=core \
   4 // RUN:  -verify %s
   5
   6 // RUN: %clang_analyze_cc1 \
   7 // RUN:  -analyzer-checker=core -analyzer-config \
   8 // RUN:   silence-checkers="core.DivideZero;core.NullDereference" \
   9 // RUN:  -verify %s
  10
  11 // RUN: not %clang_analyze_cc1 -verify %s \
  12 // RUN:  -analyzer-checker=core -analyzer-config \
  13 // RUN:   silence-checkers=core.NullDeref \
  14 // RUN:  2>&1 | FileCheck %s -check-prefix=CHECK-CHECKER-ERROR
  15
  16 // CHECK-CHECKER-ERROR:      (frontend): no analyzer checkers or packages
  17 // CHECK-CHECKER-ERROR-SAME:             are associated with 'core.NullDeref'
  18
  19 // RUN: not %clang_analyze_cc1 -verify %s \
  20 // RUN:  -analyzer-checker=core -analyzer-config \
  21 // RUN:   silence-checkers=coreModeling \
  22 // RUN:  2>&1 | FileCheck %s -check-prefix=CHECK-PACKAGE-ERROR
  23
  24 // CHECK-PACKAGE-ERROR:      (frontend): no analyzer checkers or packages
  25 // CHECK-PACKAGE-ERROR-SAME:             are associated with 'coreModeling'
  26
  27 void test_disable_core_div_by_zero() {
  28   (void)(1 / 0);
  29   // expected-warning@-1 {{division by zero is undefined}}
  30   // no-warning: 'Division by zero'
  31 }
  32
  33 void test_disable_null_deref(int *p) {
  34   if (p)
  35     return;
  36
  37   int x = p[0];
  38   // no-warning: Array access (from variable 'p') results in a null pointer dereference
  39 }