Index: cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def
===================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def
+++ cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def
@@ -66,4 +66,13 @@
 BUILTIN(__builtin_wasm_sub_saturate_s_i16x8, "V8sV8sV8s", "nc")
 BUILTIN(__builtin_wasm_sub_saturate_u_i16x8, "V8sV8sV8s", "nc")
 
+BUILTIN(__builtin_wasm_any_true_i8x16, "iV16c", "nc")
+BUILTIN(__builtin_wasm_any_true_i16x8, "iV8s", "nc")
+BUILTIN(__builtin_wasm_any_true_i32x4, "iV4i", "nc")
+BUILTIN(__builtin_wasm_any_true_i64x2, "iV2LLi", "nc")
+BUILTIN(__builtin_wasm_all_true_i8x16, "iV16c", "nc")
+BUILTIN(__builtin_wasm_all_true_i16x8, "iV8s", "nc")
+BUILTIN(__builtin_wasm_all_true_i32x4, "iV4i", "nc")
+BUILTIN(__builtin_wasm_all_true_i64x2, "iV2LLi", "nc")
+
 #undef BUILTIN
Index: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp
@@ -12536,6 +12536,35 @@
     Value *Callee = CGM.getIntrinsic(IntNo, ConvertType(E->getType()));
     return Builder.CreateCall(Callee, {LHS, RHS});
   }
+  case WebAssembly::BI__builtin_wasm_any_true_i8x16:
+  case WebAssembly::BI__builtin_wasm_any_true_i16x8:
+  case WebAssembly::BI__builtin_wasm_any_true_i32x4:
+  case WebAssembly::BI__builtin_wasm_any_true_i64x2:
+  case WebAssembly::BI__builtin_wasm_all_true_i8x16:
+  case WebAssembly::BI__builtin_wasm_all_true_i16x8:
+  case WebAssembly::BI__builtin_wasm_all_true_i32x4:
+  case WebAssembly::BI__builtin_wasm_all_true_i64x2: {
+    unsigned IntNo;
+    switch (BuiltinID) {
+    case WebAssembly::BI__builtin_wasm_any_true_i8x16:
+    case WebAssembly::BI__builtin_wasm_any_true_i16x8:
+    case WebAssembly::BI__builtin_wasm_any_true_i32x4:
+    case WebAssembly::BI__builtin_wasm_any_true_i64x2:
+      IntNo = Intrinsic::wasm_anytrue;
+      break;
+    case WebAssembly::BI__builtin_wasm_all_true_i8x16:
+    case WebAssembly::BI__builtin_wasm_all_true_i16x8:
+    case WebAssembly::BI__builtin_wasm_all_true_i32x4:
+    case WebAssembly::BI__builtin_wasm_all_true_i64x2:
+      IntNo = Intrinsic::wasm_alltrue;
+      break;
+    default:
+      llvm_unreachable("unexpected builtin ID");
+    }
+    Value *Vec = EmitScalarExpr(E->getArg(0));
+    Value *Callee = CGM.getIntrinsic(IntNo, Vec->getType());
+    return Builder.CreateCall(Callee, {Vec});
+  }
 
   default:
     return nullptr;
Index: cfe/trunk/test/CodeGen/builtins-wasm.c
===================================================================
--- cfe/trunk/test/CodeGen/builtins-wasm.c
+++ cfe/trunk/test/CodeGen/builtins-wasm.c
@@ -228,3 +228,51 @@
   // WEBASSEMBLY-SAME: <8 x i16> %x, <8 x i16> %y)
   // WEBASSEMBLY-NEXT: ret
 }
+
+int f33(i8x16 x) {
+  return __builtin_wasm_any_true_i8x16(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.anytrue.v16i8(<16 x i8> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f34(i16x8 x) {
+  return __builtin_wasm_any_true_i16x8(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.anytrue.v8i16(<8 x i16> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f35(i32x4 x) {
+  return __builtin_wasm_any_true_i32x4(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.anytrue.v4i32(<4 x i32> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f36(i64x2 x) {
+  return __builtin_wasm_any_true_i64x2(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.anytrue.v2i64(<2 x i64> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f37(i8x16 x) {
+  return __builtin_wasm_all_true_i8x16(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.alltrue.v16i8(<16 x i8> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f38(i16x8 x) {
+  return __builtin_wasm_all_true_i16x8(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.alltrue.v8i16(<8 x i16> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f39(i32x4 x) {
+  return __builtin_wasm_all_true_i32x4(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.alltrue.v4i32(<4 x i32> %x)
+  // WEBASSEMBLY: ret
+}
+
+int f40(i64x2 x) {
+  return __builtin_wasm_all_true_i64x2(x);
+  // WEBASSEMBLY: call i32 @llvm.wasm.alltrue.v2i64(<2 x i64> %x)
+  // WEBASSEMBLY: ret
+}