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1; RUN: llc -march=nvptx -verify-machineinstrs < %s | FileCheck %s
2
3declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone
4declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone
5declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
6declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone
7
8; CHECK-LABEL: @test_convert_fp16_to_fp32
9; CHECK: cvt.f32.f16
10define void @test_convert_fp16_to_fp32(float addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind {
11  %val = load i16, i16 addrspace(1)* %in, align 2
12  %cvt = call float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone
13  store float %cvt, float addrspace(1)* %out, align 4
14  ret void
15}
16
17
18; CHECK-LABEL: @test_convert_fp16_to_fp64
19; CHECK: cvt.f64.f16
20define void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind {
21  %val = load i16, i16 addrspace(1)* %in, align 2
22  %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone
23  store double %cvt, double addrspace(1)* %out, align 4
24  ret void
25}
26
27
28; CHECK-LABEL: @test_convert_fp32_to_fp16
29; CHECK: cvt.rn.f16.f32
30define void @test_convert_fp32_to_fp16(i16 addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind {
31  %val = load float, float addrspace(1)* %in, align 2
32  %cvt = call i16 @llvm.convert.to.fp16.f32(float %val) nounwind readnone
33  store i16 %cvt, i16 addrspace(1)* %out, align 4
34  ret void
35}
36
37
38; CHECK-LABEL: @test_convert_fp64_to_fp16
39; CHECK: cvt.rn.f16.f64
40define void @test_convert_fp64_to_fp16(i16 addrspace(1)* noalias %out, double addrspace(1)* noalias %in) nounwind {
41  %val = load double, double addrspace(1)* %in, align 2
42  %cvt = call i16 @llvm.convert.to.fp16.f64(double %val) nounwind readnone
43  store i16 %cvt, i16 addrspace(1)* %out, align 4
44  ret void
45}
46