| ; RUN: llc < %s | FileCheck %s |
| ; RUN: llc -mattr=+vfp3,+fp16 < %s | FileCheck --check-prefix=CHECK-FP16 %s |
| 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" |
| target triple = "armv7-eabi" |
| |
| @x = global i16 12902 |
| @y = global i16 0 |
| @z = common global i16 0 |
| |
| define arm_aapcs_vfpcc void @foo() nounwind { |
| ; CHECK: foo: |
| ; CHECK-FP6: foo: |
| entry: |
| %0 = load i16* @x, align 2 |
| %1 = load i16* @y, align 2 |
| %2 = tail call float @llvm.convert.from.fp16(i16 %0) |
| ; CHECK: __gnu_h2f_ieee |
| ; CHECK-FP16: vcvtb.f16.f32 |
| %3 = tail call float @llvm.convert.from.fp16(i16 %1) |
| ; CHECK: __gnu_h2f_ieee |
| ; CHECK-FP16: vcvtb.f16.f32 |
| %4 = fadd float %2, %3 |
| %5 = tail call i16 @llvm.convert.to.fp16(float %4) |
| ; CHECK: __gnu_f2h_ieee |
| ; CHECK-FP16: vcvtb.f32.f16 |
| store i16 %5, i16* @x, align 2 |
| ret void |
| } |
| |
| declare float @llvm.convert.from.fp16(i16) nounwind readnone |
| |
| declare i16 @llvm.convert.to.fp16(float) nounwind readnone |