1// Tests trace pc guard coverage collection.
2
3// REQUIRES: has_sancovcc
4// UNSUPPORTED: ubsan,i386-darwin,target={{(powerpc64|s390x|sparc|thumb).*}}
5// This test is failing for lsan on darwin on x86_64h.
6// UNSUPPORTED: x86_64h-darwin && lsan
7// XFAIL: tsan
8// XFAIL: android && asan
9
10// RUN: rm -rf %t_workdir
11// RUN: mkdir -p %t_workdir
12// RUN: cd %t_workdir
13// RUN: %clangxx -O0 -fsanitize-coverage=trace-pc-guard %s -o %t
14// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
15// RUN: %sancovcc -covered-functions -strip_path_prefix=TestCases/ *.sancov %t 2>&1 | \
16// RUN: FileCheck --check-prefix=CHECK-SANCOV %s
17// RUN: %env_tool_opts=coverage=0 %t 2>&1 | FileCheck --check-prefix=CHECK-NOCOV %s
18// RUN: rm -rf %t_workdir
19// Make some room to stabilize line numbers
20
21#include <stdio.h>
22
23int foo() {
24 fprintf(stderr, format: "foo\n");
25 return 1;
26}
27
28int main() {
29 fprintf(stderr, format: "main\n");
30 foo();
31 foo();
32}
33
34// CHECK: main
35// CHECK-NEXT: foo
36// CHECK-NEXT: foo
37// CHECK-NEXT: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard.{{.*}}.sancov: 2 PCs written
38//
39// CHECK-SANCOV: sanitizer_coverage_trace_pc_guard.cpp:[[@LINE-16]] foo
40// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard.cpp:[[@LINE-12]] main
41//
42// CHECK-NOCOV-NOT: SanitizerCoverage
43

source code of compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp