llvm-6502/test/CodeGen/ARM/vrev.ll
Nadav Rotem 8fb06b3e8f Enable element promotion type legalization by deafault.
Changed tests which assumed that vectors are legalized by widening them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16 20:31:33 +00:00

178 lines
6.2 KiB
LLVM

; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
define <8 x i8> @test_vrev64D8(<8 x i8>* %A) nounwind {
;CHECK: test_vrev64D8:
;CHECK: vrev64.8
%tmp1 = load <8 x i8>* %A
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
ret <8 x i8> %tmp2
}
define <4 x i16> @test_vrev64D16(<4 x i16>* %A) nounwind {
;CHECK: test_vrev64D16:
;CHECK: vrev64.16
%tmp1 = load <4 x i16>* %A
%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
ret <4 x i16> %tmp2
}
define <2 x i32> @test_vrev64D32(<2 x i32>* %A) nounwind {
;CHECK: test_vrev64D32:
;CHECK: vrev64.32
%tmp1 = load <2 x i32>* %A
%tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> <i32 1, i32 0>
ret <2 x i32> %tmp2
}
define <2 x float> @test_vrev64Df(<2 x float>* %A) nounwind {
;CHECK: test_vrev64Df:
;CHECK: vrev64.32
%tmp1 = load <2 x float>* %A
%tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> <i32 1, i32 0>
ret <2 x float> %tmp2
}
define <16 x i8> @test_vrev64Q8(<16 x i8>* %A) nounwind {
;CHECK: test_vrev64Q8:
;CHECK: vrev64.8
%tmp1 = load <16 x i8>* %A
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0, i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8>
ret <16 x i8> %tmp2
}
define <8 x i16> @test_vrev64Q16(<8 x i16>* %A) nounwind {
;CHECK: test_vrev64Q16:
;CHECK: vrev64.16
%tmp1 = load <8 x i16>* %A
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
ret <8 x i16> %tmp2
}
define <4 x i32> @test_vrev64Q32(<4 x i32>* %A) nounwind {
;CHECK: test_vrev64Q32:
;CHECK: vrev64.32
%tmp1 = load <4 x i32>* %A
%tmp2 = shufflevector <4 x i32> %tmp1, <4 x i32> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
ret <4 x i32> %tmp2
}
define <4 x float> @test_vrev64Qf(<4 x float>* %A) nounwind {
;CHECK: test_vrev64Qf:
;CHECK: vrev64.32
%tmp1 = load <4 x float>* %A
%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
ret <4 x float> %tmp2
}
define <8 x i8> @test_vrev32D8(<8 x i8>* %A) nounwind {
;CHECK: test_vrev32D8:
;CHECK: vrev32.8
%tmp1 = load <8 x i8>* %A
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
ret <8 x i8> %tmp2
}
define <4 x i16> @test_vrev32D16(<4 x i16>* %A) nounwind {
;CHECK: test_vrev32D16:
;CHECK: vrev32.16
%tmp1 = load <4 x i16>* %A
%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
ret <4 x i16> %tmp2
}
define <16 x i8> @test_vrev32Q8(<16 x i8>* %A) nounwind {
;CHECK: test_vrev32Q8:
;CHECK: vrev32.8
%tmp1 = load <16 x i8>* %A
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
ret <16 x i8> %tmp2
}
define <8 x i16> @test_vrev32Q16(<8 x i16>* %A) nounwind {
;CHECK: test_vrev32Q16:
;CHECK: vrev32.16
%tmp1 = load <8 x i16>* %A
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6>
ret <8 x i16> %tmp2
}
define <8 x i8> @test_vrev16D8(<8 x i8>* %A) nounwind {
;CHECK: test_vrev16D8:
;CHECK: vrev16.8
%tmp1 = load <8 x i8>* %A
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6>
ret <8 x i8> %tmp2
}
define <16 x i8> @test_vrev16Q8(<16 x i8>* %A) nounwind {
;CHECK: test_vrev16Q8:
;CHECK: vrev16.8
%tmp1 = load <16 x i8>* %A
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 9, i32 8, i32 11, i32 10, i32 13, i32 12, i32 15, i32 14>
ret <16 x i8> %tmp2
}
; Undef shuffle indices should not prevent matching to VREV:
define <8 x i8> @test_vrev64D8_undef(<8 x i8>* %A) nounwind {
;CHECK: test_vrev64D8_undef:
;CHECK: vrev64.8
%tmp1 = load <8 x i8>* %A
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 7, i32 undef, i32 undef, i32 4, i32 3, i32 2, i32 1, i32 0>
ret <8 x i8> %tmp2
}
define <8 x i16> @test_vrev32Q16_undef(<8 x i16>* %A) nounwind {
;CHECK: test_vrev32Q16_undef:
;CHECK: vrev32.16
%tmp1 = load <8 x i16>* %A
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 undef, i32 0, i32 undef, i32 2, i32 5, i32 4, i32 7, i32 undef>
ret <8 x i16> %tmp2
}
; A vcombine feeding a VREV should not obscure things. Radar 8597007.
define void @test_with_vcombine(<4 x float>* %v) nounwind {
;CHECK: test_with_vcombine:
;CHECK-NOT: vext
;CHECK: vrev64.32
%tmp1 = load <4 x float>* %v, align 16
%tmp2 = bitcast <4 x float> %tmp1 to <2 x double>
%tmp3 = extractelement <2 x double> %tmp2, i32 0
%tmp4 = bitcast double %tmp3 to <2 x float>
%tmp5 = extractelement <2 x double> %tmp2, i32 1
%tmp6 = bitcast double %tmp5 to <2 x float>
%tmp7 = fadd <2 x float> %tmp6, %tmp6
%tmp8 = shufflevector <2 x float> %tmp4, <2 x float> %tmp7, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
store <4 x float> %tmp8, <4 x float>* %v, align 16
ret void
}
; vrev <4 x i16> should use VREV32 and not VREV64
define void @test_vrev64(<4 x i16>* nocapture %source, <2 x i16>* nocapture %dst) nounwind ssp {
entry:
%0 = bitcast <4 x i16>* %source to <8 x i16>*
%tmp2 = load <8 x i16>* %0, align 4
%tmp3 = extractelement <8 x i16> %tmp2, i32 6
%tmp5 = insertelement <2 x i16> undef, i16 %tmp3, i32 0
%tmp9 = extractelement <8 x i16> %tmp2, i32 5
%tmp11 = insertelement <2 x i16> %tmp5, i16 %tmp9, i32 1
store <2 x i16> %tmp11, <2 x i16>* %dst, align 4
ret void
}
; Test vrev of float4
define void @float_vrev64(float* nocapture %source, <4 x float>* nocapture %dest) nounwind noinline ssp {
; CHECK: float_vrev64
; CHECK: vext.32
; CHECK: vrev64.32
entry:
%0 = bitcast float* %source to <4 x float>*
%tmp2 = load <4 x float>* %0, align 4
%tmp5 = shufflevector <4 x float> <float 0.000000e+00, float undef, float undef, float undef>, <4 x float> %tmp2, <4 x i32> <i32 0, i32 7, i32 0, i32 0>
%arrayidx8 = getelementptr inbounds <4 x float>* %dest, i32 11
store <4 x float> %tmp5, <4 x float>* %arrayidx8, align 4
ret void
}