Fix test bot breakage from 06b617064a997574df409c7d846b6f6b492f5124

This addresses the issue found by: https://lab.llvm.org/buildbot#builders/178/builds/4571

2 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/Support/Parallel.cpp b/llvm/lib/Support/Parallel.cpp
index 9c04af6..f544790 100644
--- a/llvm/lib/Support/Parallel.cpp
+++ b/llvm/lib/Support/Parallel.cpp
@@ -185,8 +185,12 @@ Executor *Executor::getDefaultExecutor() {
 // lock, only allow the root TaskGroup to run tasks parallelly. In the scenario
 // of nested parallel_for_each(), only the outermost one runs parallelly.
 TaskGroup::TaskGroup()
+#if LLVM_ENABLE_THREADS
     : Parallel((parallel::strategy.ThreadsRequested != 1) &&
                (threadIndex == UINT_MAX)) {}
+#else
+    : Parallel(false) {}
+#endif
 TaskGroup::~TaskGroup() {
   // We must ensure that all the workloads have finished before decrementing the
   // instances count.
diff --git a/llvm/unittests/Support/ParallelTest.cpp b/llvm/unittests/Support/ParallelTest.cpp
index 7afe650..53ef9fa 100644
--- a/llvm/unittests/Support/ParallelTest.cpp
+++ b/llvm/unittests/Support/ParallelTest.cpp
@@ -103,6 +103,7 @@ TEST(Parallel, TaskGroupSequentialFor) {
   EXPECT_EQ(Count, 500ul);
 }
 
+#if LLVM_ENABLE_THREADS
 TEST(Parallel, NestedTaskGroup) {
   // This test checks:
   // 1. Root TaskGroup is in Parallel mode.
@@ -128,7 +129,6 @@ TEST(Parallel, NestedTaskGroup) {
   });
 }
 
-#if LLVM_ENABLE_THREADS
 TEST(Parallel, ParallelNestedTaskGroup) {
   // This test checks that it is possible to have several TaskGroups
   // run from different threads in Parallel mode.