llvm/test/CodeGen/ARM/vrsubhn.ll
Bob Wilson 5bafff36c7 Add support for ARM's Advanced SIMD (NEON) instruction set.
This is still a work in progress but most of the NEON instruction set
is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-22 23:27:02 +00:00

30 lines
1.1 KiB
LLVM

; RUN: llvm-as < %s | llc -march=arm -mattr=+neon > %t
; RUN: grep {vrsubhn\\.i16} %t | count 1
; RUN: grep {vrsubhn\\.i32} %t | count 1
; RUN: grep {vrsubhn\\.i64} %t | count 1
define <8 x i8> @vrsubhni16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
%tmp1 = load <8 x i16>* %A
%tmp2 = load <8 x i16>* %B
%tmp3 = call <8 x i8> @llvm.arm.neon.vrsubhn.v8i8(<8 x i16> %tmp1, <8 x i16> %tmp2)
ret <8 x i8> %tmp3
}
define <4 x i16> @vrsubhni32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
%tmp1 = load <4 x i32>* %A
%tmp2 = load <4 x i32>* %B
%tmp3 = call <4 x i16> @llvm.arm.neon.vrsubhn.v4i16(<4 x i32> %tmp1, <4 x i32> %tmp2)
ret <4 x i16> %tmp3
}
define <2 x i32> @vrsubhni64(<2 x i64>* %A, <2 x i64>* %B) nounwind {
%tmp1 = load <2 x i64>* %A
%tmp2 = load <2 x i64>* %B
%tmp3 = call <2 x i32> @llvm.arm.neon.vrsubhn.v2i32(<2 x i64> %tmp1, <2 x i64> %tmp2)
ret <2 x i32> %tmp3
}
declare <8 x i8> @llvm.arm.neon.vrsubhn.v8i8(<8 x i16>, <8 x i16>) nounwind readnone
declare <4 x i16> @llvm.arm.neon.vrsubhn.v4i16(<4 x i32>, <4 x i32>) nounwind readnone
declare <2 x i32> @llvm.arm.neon.vrsubhn.v2i32(<2 x i64>, <2 x i64>) nounwind readnone