1 ; RUN: llc -mtriple armv7 %s -o - | FileCheck %s 2 3 ; CHECK: f: 4 define float @f(<4 x i16>* nocapture %in) { 5 ; CHECK: vldr 6 ; CHECK: vmovl.u16 7 %1 = load <4 x i16>* %in 8 ; CHECK: vcvt.f32.u32 9 %2 = uitofp <4 x i16> %1 to <4 x float> 10 %3 = extractelement <4 x float> %2, i32 0 11 %4 = extractelement <4 x float> %2, i32 1 12 %5 = extractelement <4 x float> %2, i32 2 13 14 ; CHECK: vadd.f32 15 %6 = fadd float %3, %4 16 %7 = fadd float %6, %5 17 18 ret float %7 19 } 20 21 ; CHECK: g: 22 define float @g(<4 x i8>* nocapture %in) { 23 ; Note: vld1 here is reasonably important. Mixing VFP and NEON 24 ; instructions is bad on some cores 25 ; CHECK: vld1 26 ; CHECK: vmovl.u8 27 ; CHECK: vmovl.u16 28 %1 = load <4 x i8>* %in 29 ; CHECK: vcvt.f32.u32 30 %2 = uitofp <4 x i8> %1 to <4 x float> 31 %3 = extractelement <4 x float> %2, i32 0 32 %4 = extractelement <4 x float> %2, i32 1 33 %5 = extractelement <4 x float> %2, i32 2 34 35 ; CHECK: vadd.f32 36 %6 = fadd float %3, %4 37 %7 = fadd float %6, %5 38 39 ret float %7 40 } 41 42 ; CHECK: h: 43 define <4 x i8> @h(<4 x float> %v) { 44 ; CHECK: vcvt.{{[us]}}32.f32 45 ; CHECK: vmovn.i32 46 %1 = fptoui <4 x float> %v to <4 x i8> 47 ret <4 x i8> %1 48 } 49 50 ; CHECK: i: 51 define <4 x i8> @i(<4 x i8>* %x) { 52 ; Note: vld1 here is reasonably important. Mixing VFP and NEON 53 ; instructions is bad on some cores 54 ; CHECK: vld1 55 ; CHECK: vmovl.s8 56 ; CHECK: vmovl.s16 57 ; CHECK: vrecpe 58 ; CHECK: vrecps 59 ; CHECK: vmul 60 ; CHECK: vmovn 61 %1 = load <4 x i8>* %x, align 4 62 %2 = sdiv <4 x i8> zeroinitializer, %1 63 ret <4 x i8> %2 64 } 65 ; CHECK: j: 66 define <4 x i32> @j(<4 x i8>* %in) nounwind { 67 ; CHECK: vld1 68 ; CHECK: vmovl.u8 69 ; CHECK: vmovl.u16 70 ; CHECK-NOT: vand 71 %1 = load <4 x i8>* %in, align 4 72 %2 = zext <4 x i8> %1 to <4 x i32> 73 ret <4 x i32> %2 74 } 75 76
