compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp

   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