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      1 // RUN: %clang_cc1 -triple arm64-apple-ios7 -target-feature +neon -ffreestanding -fallow-half-arguments-and-returns -S -o - -emit-llvm %s | opt -S -mem2reg | FileCheck %s
      2 
      3 #include <arm_neon.h>
      4 
      5 // vdupq_n_f64 -> dup.2d v0, v0[0]
      6 //
      7 // CHECK-LABEL: define <2 x double> @test_vdupq_n_f64(double %w) #0 {
      8 // CHECK:   [[VECINIT_I:%.*]] = insertelement <2 x double> undef, double %w, i32 0
      9 // CHECK:   [[VECINIT1_I:%.*]] = insertelement <2 x double> [[VECINIT_I]], double %w, i32 1
     10 // CHECK:   ret <2 x double> [[VECINIT1_I]]
     11 float64x2_t test_vdupq_n_f64(float64_t w) {
     12     return vdupq_n_f64(w);
     13 }
     14 
     15 // might as well test this while we're here
     16 // vdupq_n_f32 -> dup.4s v0, v0[0]
     17 // CHECK-LABEL: define <4 x float> @test_vdupq_n_f32(float %w) #0 {
     18 // CHECK:   [[VECINIT_I:%.*]] = insertelement <4 x float> undef, float %w, i32 0
     19 // CHECK:   [[VECINIT1_I:%.*]] = insertelement <4 x float> [[VECINIT_I]], float %w, i32 1
     20 // CHECK:   [[VECINIT2_I:%.*]] = insertelement <4 x float> [[VECINIT1_I]], float %w, i32 2
     21 // CHECK:   [[VECINIT3_I:%.*]] = insertelement <4 x float> [[VECINIT2_I]], float %w, i32 3
     22 // CHECK:   ret <4 x float> [[VECINIT3_I]]
     23 float32x4_t test_vdupq_n_f32(float32_t w) {
     24     return vdupq_n_f32(w);
     25 }
     26 
     27 // vdupq_lane_f64 -> dup.2d v0, v0[0]
     28 // this was in <rdar://problem/11778405>, but had already been implemented,
     29 // test anyway
     30 // CHECK-LABEL: define <2 x double> @test_vdupq_lane_f64(<1 x double> %V) #0 {
     31 // CHECK:   [[SHUFFLE:%.*]] = shufflevector <1 x double> %V, <1 x double> %V, <2 x i32> zeroinitializer
     32 // CHECK:   ret <2 x double> [[SHUFFLE]]
     33 float64x2_t test_vdupq_lane_f64(float64x1_t V) {
     34     return vdupq_lane_f64(V, 0);
     35 }
     36 
     37 // vmovq_n_f64 -> dup Vd.2d,X0
     38 // this wasn't in <rdar://problem/11778405>, but it was between the vdups
     39 // CHECK-LABEL: define <2 x double> @test_vmovq_n_f64(double %w) #0 {
     40 // CHECK:   [[VECINIT_I:%.*]] = insertelement <2 x double> undef, double %w, i32 0
     41 // CHECK:   [[VECINIT1_I:%.*]] = insertelement <2 x double> [[VECINIT_I]], double %w, i32 1
     42 // CHECK:   ret <2 x double> [[VECINIT1_I]]
     43 float64x2_t test_vmovq_n_f64(float64_t w) {
     44   return vmovq_n_f64(w);
     45 }
     46 
     47 // CHECK-LABEL: define <4 x half> @test_vmov_n_f16(half* %a1) #0 {
     48 // CHECK:   [[TMP0:%.*]] = load half, half* %a1, align 2
     49 // CHECK:   [[VECINIT:%.*]] = insertelement <4 x half> undef, half [[TMP0]], i32 0
     50 // CHECK:   [[VECINIT1:%.*]] = insertelement <4 x half> [[VECINIT]], half [[TMP0]], i32 1
     51 // CHECK:   [[VECINIT2:%.*]] = insertelement <4 x half> [[VECINIT1]], half [[TMP0]], i32 2
     52 // CHECK:   [[VECINIT3:%.*]] = insertelement <4 x half> [[VECINIT2]], half [[TMP0]], i32 3
     53 // CHECK:   ret <4 x half> [[VECINIT3]]
     54 float16x4_t test_vmov_n_f16(float16_t *a1) {
     55   return vmov_n_f16(*a1);
     56 }
     57 
     58 /*
     59 float64x1_t test_vmov_n_f64(float64_t a1) {
     60   return vmov_n_f64(a1);
     61 }
     62 */
     63 
     64 // CHECK-LABEL: define <8 x half> @test_vmovq_n_f16(half* %a1) #0 {
     65 // CHECK:   [[TMP0:%.*]] = load half, half* %a1, align 2
     66 // CHECK:   [[VECINIT:%.*]] = insertelement <8 x half> undef, half [[TMP0]], i32 0
     67 // CHECK:   [[VECINIT1:%.*]] = insertelement <8 x half> [[VECINIT]], half [[TMP0]], i32 1
     68 // CHECK:   [[VECINIT2:%.*]] = insertelement <8 x half> [[VECINIT1]], half [[TMP0]], i32 2
     69 // CHECK:   [[VECINIT3:%.*]] = insertelement <8 x half> [[VECINIT2]], half [[TMP0]], i32 3
     70 // CHECK:   [[VECINIT4:%.*]] = insertelement <8 x half> [[VECINIT3]], half [[TMP0]], i32 4
     71 // CHECK:   [[VECINIT5:%.*]] = insertelement <8 x half> [[VECINIT4]], half [[TMP0]], i32 5
     72 // CHECK:   [[VECINIT6:%.*]] = insertelement <8 x half> [[VECINIT5]], half [[TMP0]], i32 6
     73 // CHECK:   [[VECINIT7:%.*]] = insertelement <8 x half> [[VECINIT6]], half [[TMP0]], i32 7
     74 // CHECK:   ret <8 x half> [[VECINIT7]]
     75 float16x8_t test_vmovq_n_f16(float16_t *a1) {
     76   return vmovq_n_f16(*a1);
     77 }
     78 
     79