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 23 int foo() { 24 fprintf(stderr, "foo\n"); 25 return 1; 26 } 27 28 int main() { 29 fprintf(stderr, "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