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 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 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 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 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 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 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