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Diffstat (limited to 'test/CodeGen/NVPTX/fp16.ll')
-rw-r--r-- | test/CodeGen/NVPTX/fp16.ll | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/fp16.ll b/test/CodeGen/NVPTX/fp16.ll new file mode 100644 index 000000000000..8770399f2ec9 --- /dev/null +++ b/test/CodeGen/NVPTX/fp16.ll @@ -0,0 +1,45 @@ +; RUN: llc -march=nvptx -verify-machineinstrs < %s | FileCheck %s + +declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone +declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone +declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone +declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone + +; CHECK-LABEL: @test_convert_fp16_to_fp32 +; CHECK: cvt.f32.f16 +define void @test_convert_fp16_to_fp32(float addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind { + %val = load i16 addrspace(1)* %in, align 2 + %cvt = call float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone + store float %cvt, float addrspace(1)* %out, align 4 + ret void +} + + +; CHECK-LABEL: @test_convert_fp16_to_fp64 +; CHECK: cvt.f64.f16 +define void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind { + %val = load i16 addrspace(1)* %in, align 2 + %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone + store double %cvt, double addrspace(1)* %out, align 4 + ret void +} + + +; CHECK-LABEL: @test_convert_fp32_to_fp16 +; CHECK: cvt.rn.f16.f32 +define void @test_convert_fp32_to_fp16(i16 addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind { + %val = load float addrspace(1)* %in, align 2 + %cvt = call i16 @llvm.convert.to.fp16.f32(float %val) nounwind readnone + store i16 %cvt, i16 addrspace(1)* %out, align 4 + ret void +} + + +; CHECK-LABEL: @test_convert_fp64_to_fp16 +; CHECK: cvt.rn.f16.f64 +define void @test_convert_fp64_to_fp16(i16 addrspace(1)* noalias %out, double addrspace(1)* noalias %in) nounwind { + %val = load double addrspace(1)* %in, align 2 + %cvt = call i16 @llvm.convert.to.fp16.f64(double %val) nounwind readnone + store i16 %cvt, i16 addrspace(1)* %out, align 4 + ret void +} |