1 // RUN: %clang_cc1 -O1 -triple arm64-apple-ios7 -target-feature +neon -ffreestanding -S -o - -emit-llvm %s | FileCheck %s
2
3 #include <arm_neon.h>
4
test_vcvt_f64_f32(float32x2_t x)5 float64x2_t test_vcvt_f64_f32(float32x2_t x) {
6 // CHECK-LABEL: test_vcvt_f64_f32
7 return vcvt_f64_f32(x);
8 // CHECK: fpext <2 x float> {{%.*}} to <2 x double>
9 // CHECK-NEXT: ret
10 }
11
test_vcvt_high_f64_f32(float32x4_t x)12 float64x2_t test_vcvt_high_f64_f32(float32x4_t x) {
13 // CHECK-LABEL: test_vcvt_high_f64_f32
14 return vcvt_high_f64_f32(x);
15 // CHECK: [[HIGH:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> undef, <2 x i32> <i32 2, i32 3>
16 // CHECK-NEXT: fpext <2 x float> [[HIGH]] to <2 x double>
17 // CHECK-NEXT: ret
18 }
19
test_vcvt_f32_f64(float64x2_t v)20 float32x2_t test_vcvt_f32_f64(float64x2_t v) {
21 // CHECK: test_vcvt_f32_f64
22 return vcvt_f32_f64(v);
23 // CHECK: fptrunc <2 x double> {{%.*}} to <2 x float>
24 // CHECK-NEXT: ret
25 }
26
test_vcvt_high_f32_f64(float32x2_t x,float64x2_t v)27 float32x4_t test_vcvt_high_f32_f64(float32x2_t x, float64x2_t v) {
28 // CHECK: test_vcvt_high_f32_f64
29 return vcvt_high_f32_f64(x, v);
30 // CHECK: [[TRUNC:%.*]] = fptrunc <2 x double> {{.*}} to <2 x float>
31 // CHECK-NEXT: shufflevector <2 x float> {{.*}}, <2 x float> [[TRUNC]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
32 // CHECK-NEXT: ret
33 }
34
test_vcvtx_f32_f64(float64x2_t v)35 float32x2_t test_vcvtx_f32_f64(float64x2_t v) {
36 // CHECK: test_vcvtx_f32_f64
37 return vcvtx_f32_f64(v);
38 // CHECK: llvm.aarch64.neon.fcvtxn.v2f32.v2f64
39 // CHECK-NEXT: ret
40 }
41
test_vcvtx_high_f32_f64(float32x2_t x,float64x2_t v)42 float32x4_t test_vcvtx_high_f32_f64(float32x2_t x, float64x2_t v) {
43 // CHECK: test_vcvtx_high_f32_f64
44 return vcvtx_high_f32_f64(x, v);
45 // CHECK: llvm.aarch64.neon.fcvtxn.v2f32.v2f64
46 // CHECK: shufflevector
47 // CHECK: ret
48 }
49