Revert "Implement tls scanning for darwin LSan"

This reverts r303262, due to TSan buildbot breakages.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@303266 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 94 deletions

diff --git a/test/lsan/TestCases/many_tls_keys.cc b/test/lsan/TestCases/many_tls_keys.cc
deleted file mode 100644
index ae5776770..000000000
--- a/test/lsan/TestCases/many_tls_keys.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-// Test that lsan handles tls correctly for many threads
-// RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0"
-// RUN: %clangxx_lsan %s -DUSE_THREAD -o %t-thread
-// RUN: %clangxx_lsan %s -DUSE_PTHREAD -o %t-pthread
-// RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=0" not %run %t-thread 2>&1 | FileCheck %s
-// RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=1" %run %t-thread 2>&1
-// RUN: %env_lsan_opts="" %run %t-thread 2>&1
-// RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=0" not %run %t-pthread 2>&1 | FileCheck %s
-// RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=1" %run %t-pthread 2>&1
-// RUN: %env_lsan_opts="" %run %t-pthread 2>&1
-
-#include <assert.h>
-#include <limits.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-static const int NUM_THREADS = 10;
-
-pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-int finished = 0;
-
-#if USE_THREAD
-__thread void *ptr1;
-__thread void *ptr2;
-__thread void *ptr3;
-__thread void *ptr4;
-__thread void *ptr5;
-
-void alloc() {
-  ptr1 = malloc(1111);
-  ptr2 = malloc(2222);
-  ptr3 = malloc(3333);
-  ptr4 = malloc(4444);
-  ptr5 = malloc(5555);
-}
-
-#elif USE_PTHREAD
-// We won't be able to create the maximum number of keys, due to other users
-// of the tls, but we'll use as many keys as we can before failing to create
-// a new key.
-pthread_key_t keys[PTHREAD_KEYS_MAX];
-static const int PTHREAD_KEY_INVALID = 0xffffffff;
-
-void alloc() {
-  for (int i = 0; i < PTHREAD_KEYS_MAX; ++i) {
-    void *ptr = malloc(123);
-    if ((keys[i] == PTHREAD_KEY_INVALID) || pthread_setspecific(keys[i], ptr)) {
-      free(ptr);
-      break;
-    }
-  }
-}
-
-void pthread_destructor(void *arg) {
-  assert(0 && "pthread destructors shouldn't be called");
-}
-#endif
-
-void *thread_start(void *arg) {
-  alloc();
-
-  pthread_mutex_lock(&mutex);
-  finished++;
-  pthread_mutex_unlock(&mutex);
-
-  // don't exit, to intentionally leak tls data
-  while (1)
-    sleep(100);
-}
-
-int main() {
-#if USE_PTHREAD
-  for (int i = 0; i < PTHREAD_KEYS_MAX; ++i) {
-    if (pthread_key_create(&keys[i], pthread_destructor)) {
-      keys[i] = PTHREAD_KEY_INVALID;
-      break;
-    }
-  }
-#endif
-
-  pthread_t thread[NUM_THREADS];
-  for (int i = 0; i < NUM_THREADS; ++i) {
-    assert(0 == pthread_create(&thread[i], 0, thread_start, 0));
-  }
-  // spin until all threads have finished
-  while (finished < NUM_THREADS)
-    sleep(1);
-  exit(0);
-}
-
-// CHECK: LeakSanitizer: detected memory leaks
-// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: