Revert "tsan: add fiber support"

This reverts commit r353817 because we think it broke AARch64 and
PowerPC buildbots.

llvm-svn: 353939

1 files changed, 0 insertions, 36 deletions

diff --git a/compiler-rt/test/tsan/fiber_simple.cc b/compiler-rt/test/tsan/fiber_simple.cc
deleted file mode 100644
index ce529e7299d..00000000000
--- a/compiler-rt/test/tsan/fiber_simple.cc
+++ /dev/null
@@ -1,36 +0,0 @@
-// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
-// UNSUPPORTED: darwin
-#include "test.h"
-#include <ucontext.h>
-
-char stack[64 * 1024] __attribute__((aligned(16)));
-
-ucontext_t uc, orig_uc;
-void *fiber, *orig_fiber;
-
-int var;
-
-void func() {
-  var = 1;
-  __tsan_switch_to_fiber(orig_fiber, 0);
-  swapcontext(&uc, &orig_uc);
-}
-
-int main() {
-  orig_fiber = __tsan_get_current_fiber();
-  fiber = __tsan_create_fiber(0);
-  getcontext(&uc);
-  uc.uc_stack.ss_sp = stack;
-  uc.uc_stack.ss_size = sizeof(stack);
-  uc.uc_link = 0;
-  makecontext(&uc, func, 0);
-  var = 2;
-  __tsan_switch_to_fiber(fiber, 0);
-  swapcontext(&orig_uc, &uc);
-  __tsan_destroy_fiber(fiber);
-  fprintf(stderr, "PASS\n");
-  return 0;
-}
-
-// CHECK-NOT: WARNING: ThreadSanitizer:
-// CHECK: PASS