43 lines · cpp
1// Tests trace pc guard coverage collection.2 3// REQUIRES: has_sancovcc4// 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 && lsan7// XFAIL: tsan8// XFAIL: android && asan9 10// RUN: rm -rf %t_workdir11// RUN: mkdir -p %t_workdir12// RUN: cd %t_workdir13// RUN: %clangxx -O0 -fsanitize-coverage=trace-pc-guard %s -o %t14// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s15// RUN: %sancovcc -covered-functions -strip_path_prefix=TestCases/ *.sancov %t 2>&1 | \16// RUN: FileCheck --check-prefix=CHECK-SANCOV %s17// RUN: %env_tool_opts=coverage=0 %t 2>&1 | FileCheck --check-prefix=CHECK-NOCOV %s18// RUN: rm -rf %t_workdir19// Make some room to stabilize line numbers20 21#include <stdio.h>22 23int foo() {24 fprintf(stderr, "foo\n");25 return 1;26}27 28int main() {29 fprintf(stderr, "main\n");30 foo();31 foo();32}33 34// CHECK: main35// CHECK-NEXT: foo36// CHECK-NEXT: foo37// CHECK-NEXT: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard.{{.*}}.sancov: 2 PCs written38//39// CHECK-SANCOV: sanitizer_coverage_trace_pc_guard.cpp:[[@LINE-16]] foo40// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard.cpp:[[@LINE-12]] main41//42// CHECK-NOCOV-NOT: SanitizerCoverage43