diff --git a/clang/include/clang/Basic/BuiltinsPPC.def b/clang/include/clang/Basic/BuiltinsPPC.def
--- a/clang/include/clang/Basic/BuiltinsPPC.def
+++ b/clang/include/clang/Basic/BuiltinsPPC.def
@@ -96,6 +96,8 @@
 BUILTIN(__builtin_ppc_swdivs_nochk, "fff", "")
 BUILTIN(__builtin_ppc_alignx, "vIivC*", "nc")
 BUILTIN(__builtin_ppc_rdlam, "UWiUWiUWiUWIi", "nc")
+BUILTIN(__builtin_ppc_swdiv, "ddd", "")
+BUILTIN(__builtin_ppc_swdivs, "fff", "")
 // Compare
 BUILTIN(__builtin_ppc_cmpeqb, "LLiLLiLLi", "")
 BUILTIN(__builtin_ppc_cmprb, "iCIiii", "")
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -238,6 +238,8 @@
   Builder.defineMacro("__fsqrts", "__builtin_ppc_fsqrts");
   Builder.defineMacro("__addex", "__builtin_ppc_addex");
   Builder.defineMacro("__cmplxl", "__builtin_complex");
+  Builder.defineMacro("__swdiv", "__builtin_ppc_swdiv");
+  Builder.defineMacro("__swdivs", "__builtin_ppc_swdivs");
 }
 
 /// PPCTargetInfo::getTargetDefines - Return a set of the PowerPC-specific
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -16035,6 +16035,9 @@
                            *this, E, Intrinsic::sqrt,
                            Intrinsic::experimental_constrained_sqrt))
         .getScalarVal();
+  case PPC::BI__builtin_ppc_swdiv:
+  case PPC::BI__builtin_ppc_swdivs:
+    return Builder.CreateFDiv(Ops[0], Ops[1], "swdiv");
   }
 }
 
diff --git a/clang/test/CodeGen/builtins-ppc-xlcompat-swdiv.c b/clang/test/CodeGen/builtins-ppc-xlcompat-swdiv.c
new file mode 100644
--- /dev/null
+++ b/clang/test/CodeGen/builtins-ppc-xlcompat-swdiv.c
@@ -0,0 +1,54 @@
+// REQUIRES: powerpc-registered-target
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown \
+// RUN:   -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64le-unknown-unknown \
+// RUN:   -emit-llvm %s -o - -target-cpu pwr8 | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64-unknown-aix \
+// RUN:   -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc-unknown-aix \
+// RUN:   -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
+
+extern double a;
+extern double b;
+extern float c;
+extern float d;
+
+// CHECK-LABEL:   @test_swdiv(
+// CHECK:         [[TMP0:%.*]] = load double, double* @a
+// CHECK-NEXT:    [[TMP1:%.*]] = load double, double* @b
+// CHECK-NEXT:    [[SWDIV:%.*]] = fdiv double [[TMP0]], [[TMP1]]
+// CHECK-NEXT:    ret double [[SWDIV]]
+//
+double test_swdiv() {
+  return __swdiv(a, b);
+}
+
+// CHECK-LABEL:   @test_swdivs(
+// CHECK:         [[TMP0:%.*]] = load float, float* @c
+// CHECK-NEXT:    [[TMP1:%.*]] = load float, float* @d
+// CHECK-NEXT:    [[SWDIVS:%.*]] = fdiv float [[TMP0]], [[TMP1]]
+// CHECK-NEXT:    ret float [[SWDIVS]]
+//
+float test_swdivs() {
+  return __swdivs(c, d);
+}
+
+// CHECK-LABEL:   @test_builtin_ppc_swdiv(
+// CHECK:         [[TMP0:%.*]] = load double, double* @a
+// CHECK-NEXT:    [[TMP1:%.*]] = load double, double* @b
+// CHECK-NEXT:    [[SWDIV:%.*]] = fdiv double [[TMP0]], [[TMP1]]
+// CHECK-NEXT:    ret double [[SWDIV]]
+//
+double test_builtin_ppc_swdiv() {
+  return __builtin_ppc_swdiv(a, b);
+}
+
+// CHECK-LABEL:   @test_builtin_ppc_swdivs(
+// CHECK:         [[TMP0:%.*]] = load float, float* @c
+// CHECK-NEXT:    [[TMP1:%.*]] = load float, float* @d
+// CHECK-NEXT:    [[SWDIVS:%.*]] = fdiv float [[TMP0]], [[TMP1]]
+// CHECK-NEXT:    ret float [[SWDIVS]]
+//
+float test_builtin_ppc_swdivs() {
+  return __builtin_ppc_swdivs(c, d);
+}