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
7 define 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
16 define 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
24 define 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
32 define float @test_extend32(half* %addr) {
33 ; CHECK-LABEL: test_extend32:
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
44 define double @test_extend64(half* %addr) {
45 ; CHECK-LABEL: test_extend64:
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
59 define void @test_trunc32(float %in, half* %addr) {
60 ; CHECK-LABEL: test_trunc32:
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
71 define void @test_trunc64(double %in, half* %addr) {
72 ; CHECK-LABEL: test_trunc64:
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