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
+}