1; RUN: llc < %s -mtriple=thumbv7-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-OLD 2; RUN: llc < %s -mtriple=thumbv7s-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-F16 3; RUN: llc < %s -mtriple=thumbv8-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8 4; RUN: llc < %s -mtriple=armv8r-none-none-eabi | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8 5; RUN: llc < %s -mtriple=armv8r-none-none-eabi -mattr=+fp-only-sp | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8-SP 6 7define void @test_load_store(half* %in, half* %out) { 8; CHECK-LABEL: test_load_store: 9; CHECK: ldrh [[TMP:r[0-9]+]], [r0] 10; CHECK: strh [[TMP]], [r1] 11 %val = load half, half* %in 12 store half %val, half* %out 13 ret void 14} 15 16define i16 @test_bitcast_from_half(half* %addr) { 17; CHECK-LABEL: test_bitcast_from_half: 18; CHECK: ldrh r0, [r0] 19 %val = load half, half* %addr 20 %val_int = bitcast half %val to i16 21 ret i16 %val_int 22} 23 24define void @test_bitcast_to_half(half* %addr, i16 %in) { 25; CHECK-LABEL: test_bitcast_to_half: 26; CHECK: strh r1, [r0] 27 %val_fp = bitcast i16 %in to half 28 store half %val_fp, half* %addr 29 ret void 30} 31 32define float @test_extend32(half* %addr) { 33; CHECK-LABEL: test_extend32: 34 35; CHECK-OLD: b.w ___extendhfsf2 36; CHECK-F16: vcvtb.f32.f16 37; CHECK-V8: vcvtb.f32.f16 38; CHECK-V8-SP: vcvtb.f32.f16 39 %val16 = load half, half* %addr 40 %val32 = fpext half %val16 to float 41 ret float %val32 42} 43 44define double @test_extend64(half* %addr) { 45; CHECK-LABEL: test_extend64: 46 47; CHECK-OLD: bl ___extendhfsf2 48; CHECK-OLD: vcvt.f64.f32 49; CHECK-F16: vcvtb.f32.f16 50; CHECK-F16: vcvt.f64.f32 51; CHECK-V8: vcvtb.f64.f16 52; CHECK-V8-SP: vcvtb.f32.f16 53; CHECK-V8-SP: bl __aeabi_f2d 54 %val16 = load half, half* %addr 55 %val32 = fpext half %val16 to double 56 ret double %val32 57} 58 59define void @test_trunc32(float %in, half* %addr) { 60; CHECK-LABEL: test_trunc32: 61 62; CHECK-OLD: bl ___truncsfhf2 63; CHECK-F16: vcvtb.f16.f32 64; CHECK-V8: vcvtb.f16.f32 65; CHECK-V8-SP: vcvtb.f16.f32 66 %val16 = fptrunc float %in to half 67 store half %val16, half* %addr 68 ret void 69} 70 71define void @test_trunc64(double %in, half* %addr) { 72; CHECK-LABEL: test_trunc64: 73 74; CHECK-OLD: bl ___truncdfhf2 75; CHECK-F16: bl ___truncdfhf2 76; CHECK-V8: vcvtb.f16.f64 77; CHECK-V8-SP: bl __aeabi_d2h 78 %val16 = fptrunc double %in to half 79 store half %val16, half* %addr 80 ret void 81} 82