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 5define 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 14define 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 22define 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 30define 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 41define 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 54define 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 65define 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