[clang] [compiler-rt] [compiler-rt] Add print_coverage_summary to silence SanitizerCoverage dump logs (PR #228039)

[Vitaly Buka via llvm-commits]

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@@ -0,0 +1,33 @@
+// Tests print_coverage_summary for SanitizerCoverage dumps.
+
+// REQUIRES: has_sancovcc
+// UNSUPPORTED: ubsan,i386-darwin,target={{(powerpc64|s390x|sparc|thumb).*}}
+// This test is failing for lsan on darwin on x86_64h.
+// UNSUPPORTED: x86_64h-darwin && lsan
+// XFAIL: tsan
+// XFAIL: android && asan
+// XFAIL: darwin-remote
+// UNSUPPORTED: rtsan
+
+// RUN: rm -rf %t_workdir
+// RUN: mkdir -p %t_workdir
+// RUN: cd %t_workdir
+// RUN: %clangxx -O0 -fsanitize-coverage=trace-pc-guard %s -o %t
+// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT
+// RUN: rm -f *.sancov
+// RUN: %env_tool_opts=coverage=1:print_coverage_summary=0 %t 2>&1 | FileCheck %s --check-prefix=CHECK-QUIET
+// RUN: ls *.sancov
+// RUN: rm -rf %t_workdir
+
+#include <stdio.h>
+
+int main() {
+  fprintf(stderr, "main\n");
+  return 0;
+}
+
+// CHECK-DEFAULT: main
+// CHECK-DEFAULT: SanitizerCoverage: {{.*}}.sancov: {{[0-9]+}} PCs written
+
+// CHECK-QUIET: main
+// CHECK-QUIET-NOT: SanitizerCoverage
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vitalybuka wrote:

Replace -NOT with --implicit-check-not= flag

https://github.com/llvm/llvm-project/pull/228039