diff --git a/clang/test/CodeGen/PowerPC/atomic-alignment.c b/clang/test/CodeGen/PowerPC/atomic-alignment.c
new file mode 100644
--- /dev/null
+++ b/clang/test/CodeGen/PowerPC/atomic-alignment.c
@@ -0,0 +1,38 @@
+// REQUIRES: powerpc-registered-target
+// RUN: %clang_cc1 -verify -triple powerpc-unkonwn-unknown -emit-llvm -o - %s | \
+// RUN:   FileCheck %s --check-prefixes=PPC,PPC32
+// RUN: %clang_cc1 -verify -triple powerpc64le-unkonwn-linux -emit-llvm -o - %s | \
+// RUN:   FileCheck %s --check-prefixes=PPC,PPC64
+// RUN: %clang_cc1 -verify -triple powerpc64-unkonwn-aix -emit-llvm -o - %s | \
+// RUN:   FileCheck %s --check-prefixes=PPC,PPC64
+
+// PPC: @c = global i8 0, align 1
+_Atomic(char) c;
+
+// PPC: @s = global i16 0, align 2
+_Atomic(short) s;
+
+// PPC: @i = global i32 0, align 4
+_Atomic(int) i;
+
+// PPC32: @l = global i32 0, align 4
+// PPC64: @l = global i64 0, align 8
+_Atomic(long) l;
+
+// PPC: @ll = global i64 0, align 8
+_Atomic(long long) ll;
+
+typedef struct {
+  char x[8];
+} O;
+
+// PPC32: @o = global %struct.O zeroinitializer, align 1
+// PPC64: @o = global %struct.O zeroinitializer, align 8
+_Atomic(O) o;
+
+typedef struct {
+  char x[16];
+} Q;
+
+// PPC: @q = global %struct.Q zeroinitializer, align 1
+_Atomic(Q) q;
diff --git a/clang/test/Sema/atomic-ops.c b/clang/test/Sema/atomic-ops.c
--- a/clang/test/Sema/atomic-ops.c
+++ b/clang/test/Sema/atomic-ops.c
@@ -4,6 +4,8 @@
 // RUN:   -fsyntax-only -triple=i686-linux-android -std=c11
 // RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
 // RUN:   -fsyntax-only -triple=powerpc64-linux-gnu -std=c11
+// RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
+// RUN:   -fsyntax-only -triple=powerpc64le-linux-gnu -std=c11
 
 // Basic parsing/Sema tests for __c11_atomic_*