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llvm/llvm/test/CodeGen/NVPTX/vector-returns.ll 

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s

target triple = "nvptx-nvidia-cuda"

define <3 x i64> @long3() {
; CHECK-LABEL: long3(
; CHECK:       {
; CHECK-NEXT:    .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u64 %rd1, 0;
; CHECK-NEXT:    st.param.v2.b64 [func_retval0+0], {%rd1, %rd1};
; CHECK-NEXT:    st.param.b64 [func_retval0+16], %rd1;
; CHECK-NEXT:    ret;
  ret <3 x i64> zeroinitializer
}

define <2 x i64> @long2() {
; CHECK-LABEL: long2(
; CHECK:       {
; CHECK-NEXT:    .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u64 %rd1, 0;
; CHECK-NEXT:    st.param.v2.b64 [func_retval0+0], {%rd1, %rd1};
; CHECK-NEXT:    ret;
  ret <2 x i64> zeroinitializer
}

define <1 x i64> @long1() {
; CHECK-LABEL: long1(
; CHECK:       {
; CHECK-NEXT:    .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u64 %rd1, 0;
; CHECK-NEXT:    st.param.b64 [func_retval0+0], %rd1;
; CHECK-NEXT:    ret;
  ret <1 x i64> zeroinitializer
}

define <5 x i32> @int5() {
; CHECK-LABEL: int5(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v4.b32 [func_retval0+0], {%r1, %r1, %r1, %r1};
; CHECK-NEXT:    st.param.b32 [func_retval0+16], %r1;
; CHECK-NEXT:    ret;
  ret <5 x i32> zeroinitializer
}

define <4 x i32> @int4() {
; CHECK-LABEL: int4(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v4.b32 [func_retval0+0], {%r1, %r1, %r1, %r1};
; CHECK-NEXT:    ret;
  ret <4 x i32> zeroinitializer
}

define <3 x i32> @int3() {
; CHECK-LABEL: int3(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v2.b32 [func_retval0+0], {%r1, %r1};
; CHECK-NEXT:    st.param.b32 [func_retval0+8], %r1;
; CHECK-NEXT:    ret;
  ret <3 x i32> zeroinitializer
}

define <2 x i32> @int2() {
; CHECK-LABEL: int2(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v2.b32 [func_retval0+0], {%r1, %r1};
; CHECK-NEXT:    ret;
  ret <2 x i32> zeroinitializer
}

define <1 x i32> @int1() {
; CHECK-LABEL: int1(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.b32 [func_retval0+0], %r1;
; CHECK-NEXT:    ret;
  ret <1 x i32> zeroinitializer
}

define <9 x i16> @short9() {
; CHECK-LABEL: short9(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b16 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b16 [func_retval0+8], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.b16 [func_retval0+16], %rs1;
; CHECK-NEXT:    ret;
  ret <9 x i16> zeroinitializer
}

define <8 x i16> @short8() {
; CHECK-LABEL: short8(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v4.b32 [func_retval0+0], {%r1, %r1, %r1, %r1};
; CHECK-NEXT:    ret;
  ret <8 x i16> zeroinitializer
}

define <7 x i16> @short7() {
; CHECK-LABEL: short7(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b16 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b16 [func_retval0+8], {%rs1, %rs1};
; CHECK-NEXT:    st.param.b16 [func_retval0+12], %rs1;
; CHECK-NEXT:    ret;
  ret <7 x i16> zeroinitializer
}

define <5 x i16> @short5() {
; CHECK-LABEL: short5(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b16 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.b16 [func_retval0+8], %rs1;
; CHECK-NEXT:    ret;
  ret <5 x i16> zeroinitializer
}

define <4 x i16> @short4() {
; CHECK-LABEL: short4(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v2.b32 [func_retval0+0], {%r1, %r1};
; CHECK-NEXT:    ret;
  ret <4 x i16> zeroinitializer
}

define <3 x i16> @short3() {
; CHECK-LABEL: short3(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v2.b16 [func_retval0+0], {%rs1, %rs1};
; CHECK-NEXT:    st.param.b16 [func_retval0+4], %rs1;
; CHECK-NEXT:    ret;
  ret <3 x i16> zeroinitializer
}

define <2 x i16> @short2() {
; CHECK-LABEL: short2(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.b32 [func_retval0+0], %r1;
; CHECK-NEXT:    ret;
  ret <2 x i16> zeroinitializer
}

define <1 x i16> @short1() {
; CHECK-LABEL: short1(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b16 [func_retval0+0], %rs1;
; CHECK-NEXT:    ret;
  ret <1 x i16> zeroinitializer
}

define <17 x i8> @byte17() {
; CHECK-LABEL: byte17(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+4], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+8], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+12], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+16], %rs1;
; CHECK-NEXT:    ret;
  ret <17 x i8> zeroinitializer
}

define <16 x i8> @byte16() {
; CHECK-LABEL: byte16(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v4.b32 [func_retval0+0], {%r1, %r1, %r1, %r1};
; CHECK-NEXT:    ret;
  ret <16 x i8> zeroinitializer
}

define <15 x i8> @byte15() {
; CHECK-LABEL: byte15(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+4], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+8], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+12], {%rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+14], %rs1;
; CHECK-NEXT:    ret;
  ret <15 x i8> zeroinitializer
}

define <9 x i8> @byte9() {
; CHECK-LABEL: byte9(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+4], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+8], %rs1;
; CHECK-NEXT:    ret;
  ret <9 x i8> zeroinitializer
}

define <8 x i8> @byte8() {
; CHECK-LABEL: byte8(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.v2.b32 [func_retval0+0], {%r1, %r1};
; CHECK-NEXT:    ret;
  ret <8 x i8> zeroinitializer
}

define <7 x i8> @byte7() {
; CHECK-LABEL: byte7(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+4], {%rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+6], %rs1;
; CHECK-NEXT:    ret;
  ret <7 x i8> zeroinitializer
}

define <5 x i8> @byte5() {
; CHECK-LABEL: byte5(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+4], %rs1;
; CHECK-NEXT:    ret;
  ret <5 x i8> zeroinitializer
}

define <4 x i8> @byte4() {
; CHECK-LABEL: byte4(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.b32 [func_retval0+0], %r1;
; CHECK-NEXT:    ret;
  ret <4 x i8> zeroinitializer
}

define <3 x i8> @byte3() {
; CHECK-LABEL: byte3(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.b32 %r1, 0;
; CHECK-NEXT:    st.param.b32 [func_retval0+0], %r1;
; CHECK-NEXT:    ret;
  ret <3 x i8> zeroinitializer
}

; FIXME: This test causes a crash. 
; define <2 x i8> @byte2() {
;   ret <2 x i8> zeroinitializer
; }

define <1 x i8> @byte1() {
; CHECK-LABEL: byte1(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    ret;
  ret <1 x i8> zeroinitializer
}

define <17 x i1> @bit17() {
; CHECK-LABEL: bit17(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+0], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+4], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+8], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.v4.b8 [func_retval0+12], {%rs1, %rs1, %rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+16], %rs1;
; CHECK-NEXT:    ret;
  ret <17 x i1> zeroinitializer
}

define <16 x i1> @bit16() {
; CHECK-LABEL: bit16(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+0], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+2], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+4], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+6], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+8], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+10], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+12], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+14], {%rs1, %rs1};
; CHECK-NEXT:    ret;
  ret <16 x i1> zeroinitializer
}

define <15 x i1> @bit15() {
; CHECK-LABEL: bit15(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+0], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+2], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+4], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+6], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+8], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+10], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+12], {%rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+14], %rs1;
; CHECK-NEXT:    ret;
  ret <15 x i1> zeroinitializer
}

define <9 x i1> @bit9() {
; CHECK-LABEL: bit9(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+0], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+2], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+4], {%rs1, %rs1};
; CHECK-NEXT:    st.param.v2.b8 [func_retval0+6], {%rs1, %rs1};
; CHECK-NEXT:    st.param.b8 [func_retval0+8], %rs1;
; CHECK-NEXT:    ret;
  ret <9 x i1> zeroinitializer
}

define <8 x i1> @bit8() {
; CHECK-LABEL: bit8(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+1], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+2], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+3], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+4], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+5], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+6], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+7], %rs1;
; CHECK-NEXT:    ret;
  ret <8 x i1> zeroinitializer
}

define <7 x i1> @bit7() {
; CHECK-LABEL: bit7(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+1], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+2], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+3], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+4], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+5], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+6], %rs1;
; CHECK-NEXT:    ret;
  ret <7 x i1> zeroinitializer
}

define <5 x i1> @bit5() {
; CHECK-LABEL: bit5(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+1], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+2], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+3], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+4], %rs1;
; CHECK-NEXT:    ret;
  ret <5 x i1> zeroinitializer
}

define <4 x i1> @bit4() {
; CHECK-LABEL: bit4(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+1], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+2], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+3], %rs1;
; CHECK-NEXT:    ret;
  ret <4 x i1> zeroinitializer
}

define <3 x i1> @bit3() {
; CHECK-LABEL: bit3(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+1], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+2], %rs1;
; CHECK-NEXT:    ret;
  ret <3 x i1> zeroinitializer
}

define <2 x i1> @bit2() {
; CHECK-LABEL: bit2(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    st.param.b8 [func_retval0+1], %rs1;
; CHECK-NEXT:    ret;
  ret <2 x i1> zeroinitializer
}

define <1 x i1> @bit1() {
; CHECK-LABEL: bit1(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    mov.u16 %rs1, 0;
; CHECK-NEXT:    st.param.b8 [func_retval0+0], %rs1;
; CHECK-NEXT:    ret;
  ret <1 x i1> zeroinitializer
}