diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/cross-module-a.ll b/llvm/test/ExecutionEngine/MCJIT/remote/cross-module-a.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/cross-module-a.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/cross-module-a.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -extra-module=%p/Inputs/cross-module-b.ll -disable-lazy-compilation=true -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s > /dev/null
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/eh.ll b/llvm/test/ExecutionEngine/MCJIT/remote/eh.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/eh.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/eh.ll
@@ -1,6 +1,7 @@
 ; REQUIRES: cxx-shared-library
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s
 ; XFAIL: target=arm{{.*}}, target={{.*-(cygwin|windows-msvc|windows-gnu)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 ; FIXME: Something hangs here.
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/multi-module-a.ll b/llvm/test/ExecutionEngine/MCJIT/remote/multi-module-a.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/multi-module-a.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/multi-module-a.ll
@@ -1,4 +1,5 @@
 ; RUN: %lli -jit-kind=mcjit -extra-module=%p/Inputs/multi-module-b.ll -extra-module=%p/Inputs/multi-module-c.ll -disable-lazy-compilation=true -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s > /dev/null
+; REQUIRES: thread_support
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/simpletest-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/simpletest-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/simpletest-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/simpletest-remote.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s > /dev/null
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/stubs-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/stubs-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/stubs-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/stubs-remote.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -disable-lazy-compilation=false -mcjit-remote-process=lli-child-target%exeext %s
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-common-symbols-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-common-symbols-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-common-symbols-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-common-symbols-remote.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -O0 -disable-lazy-compilation=false -mcjit-remote-process=lli-child-target%exeext %s
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-data-align-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-data-align-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-data-align-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-data-align-remote.ll
@@ -1,5 +1,6 @@
 ; RUN:  %lli -jit-kind=mcjit -remote-mcjit -O0 -mcjit-remote-process=lli-child-target%exeext %s
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s > /dev/null
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-remote.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s > /dev/null
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll
@@ -2,6 +2,7 @@
 ; RUN:   -relocation-model=pic -code-model=small %s > /dev/null
 ; XFAIL: target={{(mips|mipsel)-.*}}, target={{(aarch64|arm).*}}, target={{(i686|i386).*}}
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-remote.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-remote.ll
@@ -1,5 +1,6 @@
 ; RUN: %lli -jit-kind=mcjit -remote-mcjit -O0 -mcjit-remote-process=lli-child-target%exeext %s
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed
 
diff --git a/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-sm-pic.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-sm-pic.ll
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-sm-pic.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-ptr-reloc-sm-pic.ll
@@ -2,6 +2,7 @@
 ; RUN:   -O0 -relocation-model=pic -code-model=small %s
 ; XFAIL: target={{(mips|mipsel)-.*}}, target={{(aarch64|arm).*}}, target={{(i686|i386).*}}
 ; XFAIL: target={{.*-windows-(gnu|msvc)}}
+; REQUIRES: thread_support
 ; UNSUPPORTED: target=powerpc64-unknown-linux-gnu
 ; Remove UNSUPPORTED for powerpc64-unknown-linux-gnu if problem caused by r266663 is fixed