1 files changed, 34 insertions, 0 deletions
diff --git a/compiler-rt/test/profile/ContinuousSyncMode/pid-substitution.c b/compiler-rt/test/profile/ContinuousSyncMode/pid-substitution.c
new file mode 100644
index 00000000000..64ba0fbdb7a
--- /dev/null
+++ b/compiler-rt/test/profile/ContinuousSyncMode/pid-substitution.c
@@ -0,0 +1,34 @@
+// RUN: rm -rf %t.dir && mkdir -p %t.dir
+// RUN: %clang_pgogen -o %t.exe %s
+//
+// Note: %%p is needed here, not %p, because of lit's path substitution.
+// RUN: env LLVM_PROFILE_FILE="%t.dir/%c-%%p" %run %t.exe
+
+#include <stdlib.h>
+#include <string.h>
+
+extern int __llvm_profile_is_continuous_mode_enabled(void);
+extern const char *__llvm_profile_get_filename(void);
+extern int getpid(void);
+
+int main() {
+  // Check that continuous mode is enabled.
+  if (!__llvm_profile_is_continuous_mode_enabled())
+    return 1;
+
+  // Check that the PID is actually in the filename.
+  const char *Filename = __llvm_profile_get_filename();
+
+  int Len = strlen(Filename);
+  --Len;
+  while (Filename[Len] != '-')
+    --Len;
+
+  const char *PidStr = Filename + Len + 1;
+  int Pid = atoi(PidStr);
+
+  if (Pid != getpid())
+    return 1;
+
+  return 0;
+}