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[sanitizers] dont dump coverage if not asked to

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llvm-svn: 289835
This commit is contained in:
Mike Aizatsky 2016-12-15 17:30:58 +00:00
parent 7522f54feb
commit 94752697ee
2 changed files with 10 additions and 4 deletions
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2
compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep_new.cc
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@ -128,7 +128,7 @@ class TracePcGuardController {
}
void Dump() {
if (!initialized) return;
if (!initialized || !common_flags()->coverage) return;
__sanitizer_dump_coverage(pc_vector.data(), pc_vector.size());
}

12
compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cc
View File

@ -11,8 +11,12 @@
// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
// RUN: %sancovcc -covered-functions -strip_path_prefix=TestCases/ *.sancov %t 2>&1 | \
// RUN: FileCheck --check-prefix=CHECK-SANCOV %s
// RUN: %env_tool_opts=coverage=0 %t 2>&1 | FileCheck --check-prefix=CHECK-NOCOV %s
// RUN: rm -rf $DIR
// Make some room to stabilize line numbers
//
//
//
#include <stdio.h>
int foo() {
@ -31,5 +35,7 @@ int main() {
// CHECK-NEXT: foo
// CHECK-NEXT: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard.{{.*}}.sancov 2 PCs written
//
// CHECK-SANCOV: sanitizer_coverage_trace_pc_guard.cc:18 foo
// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard.cc:23 main
// CHECK-SANCOV: sanitizer_coverage_trace_pc_guard.cc:22 foo
// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard.cc:27 main
//
// CHECK-NOCOV-NOT: SanitizerCoverage