Revert "[PGO] Suspend SIGKILL for PR_SET_PDEATHSIG in profile-write"

Revert "[PGO] remove unintended debug trace. NFC"

This reverts commit r295469, r295364, as they are unstable on ARM/AArch64.

llvm-svn: 295664

1 files changed, 0 insertions, 36 deletions

diff --git a/compiler-rt/test/profile/Linux/prctl.c b/compiler-rt/test/profile/Linux/prctl.c
deleted file mode 100644
index 43baf65439e..00000000000
--- a/compiler-rt/test/profile/Linux/prctl.c
+++ /dev/null
@@ -1,36 +0,0 @@
-// RUN: %clang_pgogen -O2 -o %t %s
-// RUN: rm -rf default_*.profraw
-// RUN: %run %t && sleep 1
-// RUN: llvm-profdata show default_*.profraw 2>&1 | FileCheck %s
-
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/prctl.h>
-#include <unistd.h>
-
-#define FAKE_COUNT_SZ 2000000
-/* fake counts to increse the profile size. */
-unsigned long long __attribute__((section("__llvm_prf_cnts")))
-counts[FAKE_COUNT_SZ];
-
-int main(int argc, char **argv) {
-  pid_t pid = fork();
-  if (pid == 0) {
-    int i;
-    int sum = 0;
-    /* child process: sleep 500us and get to runtime before the
-     * main process exits. */
-    prctl(PR_SET_PDEATHSIG, SIGKILL);
-    usleep(500);
-    for (i = 0; i < 5000; ++i)
-      sum += i * i * i;
-    printf("child process (%d): sum=%d\n", getpid(), sum);
-  } else if (pid > 0) {
-    /* parent process: sleep 100us to get into profile runtime first. */
-    usleep(100);
-  }
-  return 0;
-}
-
-// CHECK-NOT: Empty raw profile file