; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
-define arm_apcscc <8 x i8> @test_vrev64D8(<8 x i8>* %A) nounwind {
+define <8 x i8> @test_vrev64D8(<8 x i8>* %A) nounwind {
;CHECK: test_vrev64D8:
;CHECK: vrev64.8
%tmp1 = load <8 x i8>* %A
ret <8 x i8> %tmp2
}
-define arm_apcscc <4 x i16> @test_vrev64D16(<4 x i16>* %A) nounwind {
+define <4 x i16> @test_vrev64D16(<4 x i16>* %A) nounwind {
;CHECK: test_vrev64D16:
;CHECK: vrev64.16
%tmp1 = load <4 x i16>* %A
ret <4 x i16> %tmp2
}
-define arm_apcscc <2 x i32> @test_vrev64D32(<2 x i32>* %A) nounwind {
+define <2 x i32> @test_vrev64D32(<2 x i32>* %A) nounwind {
;CHECK: test_vrev64D32:
;CHECK: vrev64.32
%tmp1 = load <2 x i32>* %A
ret <2 x i32> %tmp2
}
-define arm_apcscc <2 x float> @test_vrev64Df(<2 x float>* %A) nounwind {
+define <2 x float> @test_vrev64Df(<2 x float>* %A) nounwind {
;CHECK: test_vrev64Df:
;CHECK: vrev64.32
%tmp1 = load <2 x float>* %A
ret <2 x float> %tmp2
}
-define arm_apcscc <16 x i8> @test_vrev64Q8(<16 x i8>* %A) nounwind {
+define <16 x i8> @test_vrev64Q8(<16 x i8>* %A) nounwind {
;CHECK: test_vrev64Q8:
;CHECK: vrev64.8
%tmp1 = load <16 x i8>* %A
ret <16 x i8> %tmp2
}
-define arm_apcscc <8 x i16> @test_vrev64Q16(<8 x i16>* %A) nounwind {
+define <8 x i16> @test_vrev64Q16(<8 x i16>* %A) nounwind {
;CHECK: test_vrev64Q16:
;CHECK: vrev64.16
%tmp1 = load <8 x i16>* %A
ret <8 x i16> %tmp2
}
-define arm_apcscc <4 x i32> @test_vrev64Q32(<4 x i32>* %A) nounwind {
+define <4 x i32> @test_vrev64Q32(<4 x i32>* %A) nounwind {
;CHECK: test_vrev64Q32:
;CHECK: vrev64.32
%tmp1 = load <4 x i32>* %A
ret <4 x i32> %tmp2
}
-define arm_apcscc <4 x float> @test_vrev64Qf(<4 x float>* %A) nounwind {
+define <4 x float> @test_vrev64Qf(<4 x float>* %A) nounwind {
;CHECK: test_vrev64Qf:
;CHECK: vrev64.32
%tmp1 = load <4 x float>* %A
ret <4 x float> %tmp2
}
-define arm_apcscc <8 x i8> @test_vrev32D8(<8 x i8>* %A) nounwind {
+define <8 x i8> @test_vrev32D8(<8 x i8>* %A) nounwind {
;CHECK: test_vrev32D8:
;CHECK: vrev32.8
%tmp1 = load <8 x i8>* %A
ret <8 x i8> %tmp2
}
-define arm_apcscc <4 x i16> @test_vrev32D16(<4 x i16>* %A) nounwind {
+define <4 x i16> @test_vrev32D16(<4 x i16>* %A) nounwind {
;CHECK: test_vrev32D16:
;CHECK: vrev32.16
%tmp1 = load <4 x i16>* %A
ret <4 x i16> %tmp2
}
-define arm_apcscc <16 x i8> @test_vrev32Q8(<16 x i8>* %A) nounwind {
+define <16 x i8> @test_vrev32Q8(<16 x i8>* %A) nounwind {
;CHECK: test_vrev32Q8:
;CHECK: vrev32.8
%tmp1 = load <16 x i8>* %A
ret <16 x i8> %tmp2
}
-define arm_apcscc <8 x i16> @test_vrev32Q16(<8 x i16>* %A) nounwind {
+define <8 x i16> @test_vrev32Q16(<8 x i16>* %A) nounwind {
;CHECK: test_vrev32Q16:
;CHECK: vrev32.16
%tmp1 = load <8 x i16>* %A
ret <8 x i16> %tmp2
}
-define arm_apcscc <8 x i8> @test_vrev16D8(<8 x i8>* %A) nounwind {
+define <8 x i8> @test_vrev16D8(<8 x i8>* %A) nounwind {
;CHECK: test_vrev16D8:
;CHECK: vrev16.8
%tmp1 = load <8 x i8>* %A
ret <8 x i8> %tmp2
}
-define arm_apcscc <16 x i8> @test_vrev16Q8(<16 x i8>* %A) nounwind {
+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 {
+; CHECK: test_vrev64:
+; CHECK: vext.16
+; CHECK: vrev32.16
+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
+}
+