llvm/test/CodeGen/ARM/vcombine.ll
Tim Northover 645efd763d ARM: force soft-float ABI for tests depending on it.
This should fix the ARM bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197555 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-18 09:58:06 +00:00

73 lines
2.4 KiB
LLVM

; RUN: llc < %s -march=arm -float-abi=soft -mattr=+neon | FileCheck %s
define <16 x i8> @vcombine8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
; CHECK: vcombine8
; CHECK: vmov r0, r1, d16
; CHECK: vmov r2, r3, d17
%tmp1 = load <8 x i8>* %A
%tmp2 = load <8 x i8>* %B
%tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
ret <16 x i8> %tmp3
}
define <8 x i16> @vcombine16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
; CHECK: vcombine16
; CHECK: vmov r0, r1, d16
; CHECK: vmov r2, r3, d17
%tmp1 = load <4 x i16>* %A
%tmp2 = load <4 x i16>* %B
%tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
ret <8 x i16> %tmp3
}
define <4 x i32> @vcombine32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
; CHECK: vcombine32
; CHECK: vmov r0, r1, d16
; CHECK: vmov r2, r3, d17
%tmp1 = load <2 x i32>* %A
%tmp2 = load <2 x i32>* %B
%tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
ret <4 x i32> %tmp3
}
define <4 x float> @vcombinefloat(<2 x float>* %A, <2 x float>* %B) nounwind {
; CHECK: vcombinefloat
; CHECK: vmov r0, r1, d16
; CHECK: vmov r2, r3, d17
%tmp1 = load <2 x float>* %A
%tmp2 = load <2 x float>* %B
%tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
ret <4 x float> %tmp3
}
define <2 x i64> @vcombine64(<1 x i64>* %A, <1 x i64>* %B) nounwind {
; CHECK: vcombine64
; CHECK: vmov r0, r1, d16
; CHECK: vmov r2, r3, d17
%tmp1 = load <1 x i64>* %A
%tmp2 = load <1 x i64>* %B
%tmp3 = shufflevector <1 x i64> %tmp1, <1 x i64> %tmp2, <2 x i32> <i32 0, i32 1>
ret <2 x i64> %tmp3
}
; Check for vget_low and vget_high implemented with shufflevector. PR8411.
; They should not require storing to the stack.
define <4 x i16> @vget_low16(<8 x i16>* %A) nounwind {
; CHECK: vget_low16
; CHECK-NOT: vst
; CHECK: vmov r0, r1, d16
%tmp1 = load <8 x i16>* %A
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
ret <4 x i16> %tmp2
}
define <8 x i8> @vget_high8(<16 x i8>* %A) nounwind {
; CHECK: vget_high8
; CHECK-NOT: vst
; CHECK: vmov r0, r1, d17
%tmp1 = load <16 x i8>* %A
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
ret <8 x i8> %tmp2
}