src/compiler-rt/test/asan/TestCases/coverage-levels.cc

   1 // Test various levels of coverage
   2 //
   3 // RUN: %clangxx_asan -O1 -fsanitize-coverage=func  %s -o %t
   4 // RUN: %env_asan_opts=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
   5 // RUN: %clangxx_asan -O1 -fsanitize-coverage=bb  %s -o %t
   6 // RUN: %env_asan_opts=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
   7 // RUN: %clangxx_asan -O1 -fsanitize-coverage=edge  %s -o %t
   8 // RUN: %env_asan_opts=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3
   9 // RUN: %clangxx_asan -O1 -fsanitize-coverage=edge -mllvm -sanitizer-coverage-block-threshold=0 %s -o %t
  10 // RUN: %env_asan_opts=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3
  11 // RUN: %clangxx_asan -O1 -fsanitize-coverage=edge,8bit-counters %s -o %t
  12 // RUN: %env_asan_opts=coverage=1:coverage_counters=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK_COUNTERS
  13
  14 // RUN: %env_asan_opts=coverage=1:coverage_bitset=0:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3_NOBITSET
  15 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3_NOBITSET
  16 // RUN: %env_asan_opts=coverage=1:coverage_pcs=0:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3_NOPCS
  17 //
  18 // REQUIRES: asan-64-bits
  19 // UNSUPPORTED: android
  20 volatile int sink;
  21 int main(int argc, char **argv) {
  22   if (argc == 0)
  23     sink = 0;
  24 }
  25
  26 // CHECK1: CovDump: bitset of 1 bits written for '{{.*}}', 1 bits are set
  27 // CHECK1:  1 PCs written
  28 // CHECK2: CovDump: bitset of 2 bits written for '{{.*}}', 1 bits are set
  29 // CHECK2:  1 PCs written
  30 // CHECK3: CovDump: bitset of 3 bits written for '{{.*}}', 2 bits are set
  31 // CHECK3:  2 PCs written
  32 // CHECK3_NOBITSET-NOT: bitset of
  33 // CHECK3_NOPCS-NOT: PCs written
  34 // CHECK_COUNTERS: CovDump: 3 counters written for