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1 // Test various levels of coverage
2 //
3 // RUN: %clangxx_asan -O1 -fsanitize-coverage=1  %s -o %t
4 // RUN: ASAN_OPTIONS=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
5 // RUN: %clangxx_asan -O1 -fsanitize-coverage=2  %s -o %t
6 // RUN: ASAN_OPTIONS=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
7 // RUN: %clangxx_asan -O1 -fsanitize-coverage=3  %s -o %t
8 // RUN: ASAN_OPTIONS=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3
9 // RUN: %clangxx_asan -O1 -fsanitize-coverage=3 -mllvm -sanitizer-coverage-block-threshold=0 %s -o %t
10 // RUN: ASAN_OPTIONS=coverage=1:coverage_bitset=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3
11 // RUN: %clangxx_asan -O1 -fsanitize-coverage=3 -mllvm -sanitizer-coverage-8bit-counters=1 %s -o %t
12 // RUN: ASAN_OPTIONS=coverage=1:coverage_counters=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK_COUNTERS
13 
14 // RUN: ASAN_OPTIONS=coverage=1:coverage_bitset=0:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3_NOBITSET
15 // RUN: ASAN_OPTIONS=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3_NOBITSET
16 // RUN: ASAN_OPTIONS=coverage=1:coverage_pcs=0:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK3_NOPCS
17 //
18 // REQUIRES: asan-64-bits
19 
20 volatile int sink;
main(int argc,char ** argv)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 3 bits written for '{{.*}}', 2 bits are set
29 // CHECK2:  2 PCs written
30 // CHECK3: CovDump: bitset of 4 bits written for '{{.*}}', 3 bits are set
31 // CHECK3:  3 PCs written
32 // CHECK3_NOBITSET-NOT: bitset of
33 // CHECK3_NOPCS-NOT: PCs written
34 // CHECK_COUNTERS: CovDump: 4 counters written for
35