diff --git a/clang/test/Driver/msan.c b/clang/test/Driver/msan.c
index 92b47ad4ce3d..18ef2a96cacb 100644
--- a/clang/test/Driver/msan.c
+++ b/clang/test/Driver/msan.c
@@ -1,3 +1,5 @@
+// REQUIRES: x86-registered-target
+
 // RUN: %clang     -target x86_64-unknown-linux -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
 // RUN: %clang -O1 -target x86_64-unknown-linux -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
 // RUN: %clang -O2 -target x86_64-unknown-linux -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
@@ -22,9 +24,6 @@
 // RUN: %clang -O2 -target x86_64-unknown-linux -fexperimental-new-pass-manager -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
 // RUN: %clang -O3 -target x86_64-unknown-linux -fexperimental-new-pass-manager -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
 
-// RUN: %clang -fexperimental-new-pass-manager -target powerpc64-unknown-linux-gnu -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
-// RUN: %clang -fexperimental-new-pass-manager -target powerpc64le-unknown-linux-gnu -fsanitize=memory %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-MSAN
-
 int foo(int *a) { return *a; }
 // CHECK-MSAN: __msan_init
 // CHECK-KMSAN: __msan_get_context_state
diff --git a/clang/test/Driver/tsan.c b/clang/test/Driver/tsan.c
index 163375234820..ea88f87450fa 100644
--- a/clang/test/Driver/tsan.c
+++ b/clang/test/Driver/tsan.c
@@ -1,3 +1,5 @@
+// REQUIRES: x86-registered-target
+
 // RUN: %clang     -target x86_64-unknown-linux -fsanitize=thread %s -S -emit-llvm -o - | FileCheck %s
 // RUN: %clang -O1 -target x86_64-unknown-linux -fsanitize=thread %s -S -emit-llvm -o - | FileCheck %s
 // RUN: %clang -O2 -target x86_64-unknown-linux -fsanitize=thread %s -S -emit-llvm -o - | FileCheck %s