1 ; RUN: llc -mtriple=armv7a--none-eabi < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-HARDFLOAT-EABI %s
2 ; RUN: llc -mtriple=armv7a--none-gnueabi < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-HARDFLOAT-GNU %s
3 ; RUN: llc -mattr=+vfp3,+fp16 < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-FP16 %s
4 ; RUN: llc -mtriple=armv8-eabihf < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-ARMV8 %s
5 ; RUN: llc -mtriple=thumbv7m-eabi < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-SOFTFLOAT-EABI %s
6 ; RUN: llc -mtriple=thumbv7m-gnueabi < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-SOFTFLOAT-GNU %s
8 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32"
9 target triple = "armv7---eabihf"
13 @z = common global i16 0
15 define void @foo() nounwind {
18 %0 = load i16, i16* @x, align 2
19 %1 = load i16, i16* @y, align 2
20 %2 = tail call float @llvm.convert.from.fp16.f32(i16 %0)
21 ; CHECK-HARDFLOAT-EABI: __aeabi_h2f
22 ; CHECK-HARDFLOAT-GNU: __gnu_h2f_ieee
23 ; CHECK-FP16: vcvtb.f32.f16
24 ; CHECK-ARMv8: vcvtb.f32.f16
25 ; CHECK-SOFTFLOAT-EABI: __aeabi_h2f
26 ; CHECK-SOFTFLOAT-GNU: __gnu_h2f_ieee
27 %3 = tail call float @llvm.convert.from.fp16.f32(i16 %1)
28 ; CHECK-HARDFLOAT-EABI: __aeabi_h2f
29 ; CHECK-HARDFLOAT-GNU: __gnu_h2f_ieee
30 ; CHECK-FP16: vcvtb.f32.f16
31 ; CHECK-ARMV8: vcvtb.f32.f16
32 ; CHECK-SOFTFLOAT-EABI: __aeabi_h2f
33 ; CHECK-SOFTFLOAT-GNU: __gnu_h2f_ieee
34 %4 = fadd float %2, %3
35 %5 = tail call i16 @llvm.convert.to.fp16.f32(float %4)
36 ; CHECK-HARDFLOAT-EABI: __aeabi_f2h
37 ; CHECK-HARDFLOAT-GNU: __gnu_f2h_ieee
38 ; CHECK-FP16: vcvtb.f16.f32
39 ; CHECK-ARMV8: vcvtb.f16.f32
40 ; CHECK-SOFTFLOAT-EABI: __aeabi_f2h
41 ; CHECK-SOFTFLOAT-GNU: __gnu_f2h_ieee
42 store i16 %5, i16* @x, align 2
46 define double @test_from_fp16(i16 %in) {
47 ; CHECK-LABEL: test_from_fp16:
48 %val = call double @llvm.convert.from.fp16.f64(i16 %in)
49 ; CHECK-HARDFLOAT-EABI: bl __aeabi_h2f
50 ; CHECK-HARDFLOAT-EABI: vmov [[TMP:s[0-9]+]], r0
51 ; CHECK-HARDFLOAT-EABI: vcvt.f64.f32 {{d[0-9]+}}, [[TMP]]
53 ; CHECK-HARDFLOAT-GNU: bl __gnu_h2f_ieee
54 ; CHECK-HARDFLOAT-GNU: vmov [[TMP:s[0-9]+]], r0
55 ; CHECK-HARDFLOAT-GNU: vcvt.f64.f32 {{d[0-9]+}}, [[TMP]]
57 ; CHECK-FP16: vmov [[TMP16:s[0-9]+]], r0
58 ; CHECK-FP16: vcvtb.f32.f16 [[TMP32:s[0-9]+]], [[TMP16]]
59 ; CHECK-FP16: vcvt.f64.f32 d0, [[TMP32]]
61 ; CHECK-ARMV8: vmov [[TMP:s[0-9]+]], r0
62 ; CHECK-ARMV8: vcvtb.f64.f16 d0, [[TMP]]
64 ; CHECK-SOFTFLOAT-EABI: bl __aeabi_h2f
65 ; CHECK-SOFTFLOAT-EABI: bl __aeabi_f2d
67 ; CHECK-SOFTFLOAT-GNU: bl __gnu_h2f_ieee
68 ; CHECK-SOFTFLOAT-GNU: bl __aeabi_f2d
72 define i16 @test_to_fp16(double %in) {
73 ; CHECK-LABEL: test_to_fp16:
74 %val = call i16 @llvm.convert.to.fp16.f64(double %in)
75 ; CHECK-HARDFLOAT-EABI: bl __aeabi_d2h
77 ; CHECK-HARDFLOAT-GNU: bl __aeabi_d2h
79 ; CHECK-FP16: bl __aeabi_d2h
81 ; CHECK-ARMV8: vcvtb.f16.f64 [[TMP:s[0-9]+]], d0
82 ; CHECK-ARMV8: vmov r0, [[TMP]]
84 ; CHECK-SOFTFLOAT-EABI: bl __aeabi_d2h
86 ; CHECK-SOFTFLOAT-GNU: bl __aeabi_d2h
90 declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone
91 declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone
93 declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
94 declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone