1 ; RUN: llc -march=nvptx -verify-machineinstrs < %s | FileCheck %s 2 3 declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone 4 declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone 5 declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone 6 declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone 7 8 ; CHECK-LABEL: @test_convert_fp16_to_fp32 9 ; CHECK: cvt.f32.f16 10 define 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 20 define 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 30 define 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 40 define 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
