1; RUN: llc -mtriple=nvptx64 -verify-machineinstrs < %s | FileCheck %s 2; RUN: %if ptxas %{ llc -mtriple=nvptx64 -verify-machineinstrs < %s | %ptxas-verify %} 3 4declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone 5declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone 6declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone 7declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone 8 9; CHECK-LABEL: @test_convert_fp16_to_fp32 10; CHECK: cvt.f32.f16 11define void @test_convert_fp16_to_fp32(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { 12 %val = load i16, ptr addrspace(1) %in, align 2 13 %cvt = call float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone 14 store float %cvt, ptr addrspace(1) %out, align 4 15 ret void 16} 17 18 19; CHECK-LABEL: @test_convert_fp16_to_fp64 20; CHECK: cvt.f64.f16 21define void @test_convert_fp16_to_fp64(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { 22 %val = load i16, ptr addrspace(1) %in, align 2 23 %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone 24 store double %cvt, ptr addrspace(1) %out, align 4 25 ret void 26} 27 28 29; CHECK-LABEL: @test_convert_fp32_to_fp16 30; CHECK: cvt.rn.f16.f32 31define void @test_convert_fp32_to_fp16(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { 32 %val = load float, ptr addrspace(1) %in, align 2 33 %cvt = call i16 @llvm.convert.to.fp16.f32(float %val) nounwind readnone 34 store i16 %cvt, ptr addrspace(1) %out, align 4 35 ret void 36} 37 38 39; CHECK-LABEL: @test_convert_fp64_to_fp16 40; CHECK: cvt.rn.f16.f64 41define void @test_convert_fp64_to_fp16(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { 42 %val = load double, ptr addrspace(1) %in, align 2 43 %cvt = call i16 @llvm.convert.to.fp16.f64(double %val) nounwind readnone 44 store i16 %cvt, ptr addrspace(1) %out, align 4 45 ret void 46} 47