From fa27a8621c4e890593a69b9033ac481cf8954075 Mon Sep 17 00:00:00 2001 From: Bob Wilson Date: Wed, 15 Dec 2010 22:14:12 +0000 Subject: Add Neon VCVT instructions for f32 <-> f16 conversions. Clang is now providing intrinsics for these and so we need to support them in the backend. Radar 8068427. llvm-svn: 121902 --- llvm/test/CodeGen/ARM/vcvt.ll | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) (limited to 'llvm/test/CodeGen/ARM/vcvt.ll') diff --git a/llvm/test/CodeGen/ARM/vcvt.ll b/llvm/test/CodeGen/ARM/vcvt.ll index f4cc5368d9a..c078f493094 100644 --- a/llvm/test/CodeGen/ARM/vcvt.ll +++ b/llvm/test/CodeGen/ARM/vcvt.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s +; RUN: llc < %s -march=arm -mattr=+neon,+fp16 | FileCheck %s define <2 x i32> @vcvt_f32tos32(<2 x float>* %A) nounwind { ;CHECK: vcvt_f32tos32: @@ -138,3 +138,21 @@ declare <4 x i32> @llvm.arm.neon.vcvtfp2fxu.v4i32.v4f32(<4 x float>, i32) nounwi declare <4 x float> @llvm.arm.neon.vcvtfxs2fp.v4f32.v4i32(<4 x i32>, i32) nounwind readnone declare <4 x float> @llvm.arm.neon.vcvtfxu2fp.v4f32.v4i32(<4 x i32>, i32) nounwind readnone +define <4 x float> @vcvt_f16tof32(<4 x i16>* %A) nounwind { +;CHECK: vcvt_f16tof32: +;CHECK: vcvt.f32.f16 + %tmp1 = load <4 x i16>* %A + %tmp2 = call <4 x float> @llvm.arm.neon.vcvthf2fp(<4 x i16> %tmp1) + ret <4 x float> %tmp2 +} + +define <4 x i16> @vcvt_f32tof16(<4 x float>* %A) nounwind { +;CHECK: vcvt_f32tof16: +;CHECK: vcvt.f16.f32 + %tmp1 = load <4 x float>* %A + %tmp2 = call <4 x i16> @llvm.arm.neon.vcvtfp2hf(<4 x float> %tmp1) + ret <4 x i16> %tmp2 +} + +declare <4 x float> @llvm.arm.neon.vcvthf2fp(<4 x i16>) nounwind readnone +declare <4 x i16> @llvm.arm.neon.vcvtfp2hf(<4 x float>) nounwind readnone -- cgit v1.2.3