llvm-mirror/test/CodeGen/ARM/vshrn.ll

; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s

define <8 x i8> @vshrns8(<8 x i16>* %A) nounwind {
;CHECK: vshrns8:
;CHECK: vshrn.i16
	%tmp1 = load <8 x i16>* %A
	%tmp2 = call <8 x i8> @llvm.arm.neon.vshiftn.v8i8(<8 x i16> %tmp1, <8 x i16> < i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8 >)
	ret <8 x i8> %tmp2
}

define <4 x i16> @vshrns16(<4 x i32>* %A) nounwind {
;CHECK: vshrns16:
;CHECK: vshrn.i32
	%tmp1 = load <4 x i32>* %A
	%tmp2 = call <4 x i16> @llvm.arm.neon.vshiftn.v4i16(<4 x i32> %tmp1, <4 x i32> < i32 -16, i32 -16, i32 -16, i32 -16 >)
	ret <4 x i16> %tmp2
}

define <2 x i32> @vshrns32(<2 x i64>* %A) nounwind {
;CHECK: vshrns32:
;CHECK: vshrn.i64
	%tmp1 = load <2 x i64>* %A
	%tmp2 = call <2 x i32> @llvm.arm.neon.vshiftn.v2i32(<2 x i64> %tmp1, <2 x i64> < i64 -32, i64 -32 >)
	ret <2 x i32> %tmp2
}

declare <8 x i8>  @llvm.arm.neon.vshiftn.v8i8(<8 x i16>, <8 x i16>) nounwind readnone
declare <4 x i16> @llvm.arm.neon.vshiftn.v4i16(<4 x i32>, <4 x i32>) nounwind readnone
declare <2 x i32> @llvm.arm.neon.vshiftn.v2i32(<2 x i64>, <2 x i64>) nounwind readnone

define <8 x i8> @vrshrns8(<8 x i16>* %A) nounwind {
;CHECK: vrshrns8:
;CHECK: vrshrn.i16
	%tmp1 = load <8 x i16>* %A
	%tmp2 = call <8 x i8> @llvm.arm.neon.vrshiftn.v8i8(<8 x i16> %tmp1, <8 x i16> < i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8 >)
	ret <8 x i8> %tmp2
}

define <4 x i16> @vrshrns16(<4 x i32>* %A) nounwind {
;CHECK: vrshrns16:
;CHECK: vrshrn.i32
	%tmp1 = load <4 x i32>* %A
	%tmp2 = call <4 x i16> @llvm.arm.neon.vrshiftn.v4i16(<4 x i32> %tmp1, <4 x i32> < i32 -16, i32 -16, i32 -16, i32 -16 >)
	ret <4 x i16> %tmp2
}

define <2 x i32> @vrshrns32(<2 x i64>* %A) nounwind {
;CHECK: vrshrns32:
;CHECK: vrshrn.i64
	%tmp1 = load <2 x i64>* %A
	%tmp2 = call <2 x i32> @llvm.arm.neon.vrshiftn.v2i32(<2 x i64> %tmp1, <2 x i64> < i64 -32, i64 -32 >)
	ret <2 x i32> %tmp2
}

declare <8 x i8>  @llvm.arm.neon.vrshiftn.v8i8(<8 x i16>, <8 x i16>) nounwind readnone
declare <4 x i16> @llvm.arm.neon.vrshiftn.v4i16(<4 x i32>, <4 x i32>) nounwind readnone
declare <2 x i32> @llvm.arm.neon.vrshiftn.v2i32(<2 x i64>, <2 x i64>) nounwind readnone