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 5 define void @test_load_store(half* %in, half* %out) { 6 ; CHECK-LABEL: test_load_store: 7 ; CHECK: ldrh [[TMP:r[0-9]+]], [r0] 8 ; CHECK: strh [[TMP]], [r1] 9 %val = load half, half* %in 10 store half %val, half* %out 11 ret void 12 } 13 14 define i16 @test_bitcast_from_half(half* %addr) { 15 ; CHECK-LABEL: test_bitcast_from_half: 16 ; CHECK: ldrh r0, [r0] 17 %val = load half, half* %addr 18 %val_int = bitcast half %val to i16 19 ret i16 %val_int 20 } 21 22 define void @test_bitcast_to_half(half* %addr, i16 %in) { 23 ; CHECK-LABEL: test_bitcast_to_half: 24 ; CHECK: strh r1, [r0] 25 %val_fp = bitcast i16 %in to half 26 store half %val_fp, half* %addr 27 ret void 28 } 29 30 define float @test_extend32(half* %addr) { 31 ; CHECK-LABEL: test_extend32: 32 33 ; CHECK-OLD: b.w ___extendhfsf2 34 ; CHECK-F16: vcvtb.f32.f16 35 ; CHECK-V8: vcvtb.f32.f16 36 %val16 = load half, half* %addr 37 %val32 = fpext half %val16 to float 38 ret float %val32 39 } 40 41 define double @test_extend64(half* %addr) { 42 ; CHECK-LABEL: test_extend64: 43 44 ; CHECK-OLD: bl ___extendhfsf2 45 ; CHECK-OLD: vcvt.f64.f32 46 ; CHECK-F16: vcvtb.f32.f16 47 ; CHECK-F16: vcvt.f64.f32 48 ; CHECK-V8: vcvtb.f64.f16 49 %val16 = load half, half* %addr 50 %val32 = fpext half %val16 to double 51 ret double %val32 52 } 53 54 define void @test_trunc32(float %in, half* %addr) { 55 ; CHECK-LABEL: test_trunc32: 56 57 ; CHECK-OLD: bl ___truncsfhf2 58 ; CHECK-F16: vcvtb.f16.f32 59 ; CHECK-V8: vcvtb.f16.f32 60 %val16 = fptrunc float %in to half 61 store half %val16, half* %addr 62 ret void 63 } 64 65 define void @test_trunc64(double %in, half* %addr) { 66 ; CHECK-LABEL: test_trunc64: 67 68 ; CHECK-OLD: bl ___truncdfhf2 69 ; CHECK-F16: bl ___truncdfhf2 70 ; CHECK-V8: vcvtb.f16.f64 71 %val16 = fptrunc double %in to half 72 store half %val16, half* %addr 73 ret void 74 } 75
