-; RUN: llvm-as < %s | llc -march=arm -mattr=+neon > %t
-; RUN: grep vdup.8 %t | count 4
-; RUN: grep vdup.16 %t | count 4
-; RUN: grep vdup.32 %t | count 8
+; RUN: llc -mtriple=arm-eabi -float-abi=soft -mattr=+neon -verify-machineinstrs %s -o - \
+; RUN: | FileCheck %s
define <8 x i8> @v_dup8(i8 %A) nounwind {
+;CHECK-LABEL: v_dup8:
+;CHECK: vdup.8
%tmp1 = insertelement <8 x i8> zeroinitializer, i8 %A, i32 0
%tmp2 = insertelement <8 x i8> %tmp1, i8 %A, i32 1
%tmp3 = insertelement <8 x i8> %tmp2, i8 %A, i32 2
}
define <4 x i16> @v_dup16(i16 %A) nounwind {
+;CHECK-LABEL: v_dup16:
+;CHECK: vdup.16
%tmp1 = insertelement <4 x i16> zeroinitializer, i16 %A, i32 0
%tmp2 = insertelement <4 x i16> %tmp1, i16 %A, i32 1
%tmp3 = insertelement <4 x i16> %tmp2, i16 %A, i32 2
}
define <2 x i32> @v_dup32(i32 %A) nounwind {
+;CHECK-LABEL: v_dup32:
+;CHECK: vdup.32
%tmp1 = insertelement <2 x i32> zeroinitializer, i32 %A, i32 0
%tmp2 = insertelement <2 x i32> %tmp1, i32 %A, i32 1
ret <2 x i32> %tmp2
}
define <2 x float> @v_dupfloat(float %A) nounwind {
+;CHECK-LABEL: v_dupfloat:
+;CHECK: vdup.32
%tmp1 = insertelement <2 x float> zeroinitializer, float %A, i32 0
%tmp2 = insertelement <2 x float> %tmp1, float %A, i32 1
ret <2 x float> %tmp2
}
define <16 x i8> @v_dupQ8(i8 %A) nounwind {
+;CHECK-LABEL: v_dupQ8:
+;CHECK: vdup.8
%tmp1 = insertelement <16 x i8> zeroinitializer, i8 %A, i32 0
%tmp2 = insertelement <16 x i8> %tmp1, i8 %A, i32 1
%tmp3 = insertelement <16 x i8> %tmp2, i8 %A, i32 2
}
define <8 x i16> @v_dupQ16(i16 %A) nounwind {
+;CHECK-LABEL: v_dupQ16:
+;CHECK: vdup.16
%tmp1 = insertelement <8 x i16> zeroinitializer, i16 %A, i32 0
%tmp2 = insertelement <8 x i16> %tmp1, i16 %A, i32 1
%tmp3 = insertelement <8 x i16> %tmp2, i16 %A, i32 2
}
define <4 x i32> @v_dupQ32(i32 %A) nounwind {
+;CHECK-LABEL: v_dupQ32:
+;CHECK: vdup.32
%tmp1 = insertelement <4 x i32> zeroinitializer, i32 %A, i32 0
%tmp2 = insertelement <4 x i32> %tmp1, i32 %A, i32 1
%tmp3 = insertelement <4 x i32> %tmp2, i32 %A, i32 2
}
define <4 x float> @v_dupQfloat(float %A) nounwind {
+;CHECK-LABEL: v_dupQfloat:
+;CHECK: vdup.32
%tmp1 = insertelement <4 x float> zeroinitializer, float %A, i32 0
%tmp2 = insertelement <4 x float> %tmp1, float %A, i32 1
%tmp3 = insertelement <4 x float> %tmp2, float %A, i32 2
; Check to make sure it works with shuffles, too.
define <8 x i8> @v_shuffledup8(i8 %A) nounwind {
+;CHECK-LABEL: v_shuffledup8:
+;CHECK: vdup.8
%tmp1 = insertelement <8 x i8> undef, i8 %A, i32 0
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> zeroinitializer
ret <8 x i8> %tmp2
}
define <4 x i16> @v_shuffledup16(i16 %A) nounwind {
+;CHECK-LABEL: v_shuffledup16:
+;CHECK: vdup.16
%tmp1 = insertelement <4 x i16> undef, i16 %A, i32 0
%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> zeroinitializer
ret <4 x i16> %tmp2
}
define <2 x i32> @v_shuffledup32(i32 %A) nounwind {
+;CHECK-LABEL: v_shuffledup32:
+;CHECK: vdup.32
%tmp1 = insertelement <2 x i32> undef, i32 %A, i32 0
%tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> zeroinitializer
ret <2 x i32> %tmp2
}
define <2 x float> @v_shuffledupfloat(float %A) nounwind {
+;CHECK-LABEL: v_shuffledupfloat:
+;CHECK: vdup.32
%tmp1 = insertelement <2 x float> undef, float %A, i32 0
%tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> zeroinitializer
ret <2 x float> %tmp2
}
define <16 x i8> @v_shuffledupQ8(i8 %A) nounwind {
+;CHECK-LABEL: v_shuffledupQ8:
+;CHECK: vdup.8
%tmp1 = insertelement <16 x i8> undef, i8 %A, i32 0
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> zeroinitializer
ret <16 x i8> %tmp2
}
define <8 x i16> @v_shuffledupQ16(i16 %A) nounwind {
+;CHECK-LABEL: v_shuffledupQ16:
+;CHECK: vdup.16
%tmp1 = insertelement <8 x i16> undef, i16 %A, i32 0
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> zeroinitializer
ret <8 x i16> %tmp2
}
define <4 x i32> @v_shuffledupQ32(i32 %A) nounwind {
+;CHECK-LABEL: v_shuffledupQ32:
+;CHECK: vdup.32
%tmp1 = insertelement <4 x i32> undef, i32 %A, i32 0
%tmp2 = shufflevector <4 x i32> %tmp1, <4 x i32> undef, <4 x i32> zeroinitializer
ret <4 x i32> %tmp2
}
define <4 x float> @v_shuffledupQfloat(float %A) nounwind {
+;CHECK-LABEL: v_shuffledupQfloat:
+;CHECK: vdup.32
%tmp1 = insertelement <4 x float> undef, float %A, i32 0
%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> zeroinitializer
ret <4 x float> %tmp2
}
+
+define <8 x i8> @vduplane8(<8 x i8>* %A) nounwind {
+;CHECK-LABEL: vduplane8:
+;CHECK: vdup.8
+ %tmp1 = load <8 x i8>, <8 x i8>* %A
+ %tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
+ ret <8 x i8> %tmp2
+}
+
+define <4 x i16> @vduplane16(<4 x i16>* %A) nounwind {
+;CHECK-LABEL: vduplane16:
+;CHECK: vdup.16
+ %tmp1 = load <4 x i16>, <4 x i16>* %A
+ %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 >
+ ret <4 x i16> %tmp2
+}
+
+define <2 x i32> @vduplane32(<2 x i32>* %A) nounwind {
+;CHECK-LABEL: vduplane32:
+;CHECK: vdup.32
+ %tmp1 = load <2 x i32>, <2 x i32>* %A
+ %tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> < i32 1, i32 1 >
+ ret <2 x i32> %tmp2
+}
+
+define <2 x float> @vduplanefloat(<2 x float>* %A) nounwind {
+;CHECK-LABEL: vduplanefloat:
+;CHECK: vdup.32
+ %tmp1 = load <2 x float>, <2 x float>* %A
+ %tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> < i32 1, i32 1 >
+ ret <2 x float> %tmp2
+}
+
+define <16 x i8> @vduplaneQ8(<8 x i8>* %A) nounwind {
+;CHECK-LABEL: vduplaneQ8:
+;CHECK: vdup.8
+ %tmp1 = load <8 x i8>, <8 x i8>* %A
+ %tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <16 x i32> < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
+ ret <16 x i8> %tmp2
+}
+
+define <8 x i16> @vduplaneQ16(<4 x i16>* %A) nounwind {
+;CHECK-LABEL: vduplaneQ16:
+;CHECK: vdup.16
+ %tmp1 = load <4 x i16>, <4 x i16>* %A
+ %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <8 x i32> < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
+ ret <8 x i16> %tmp2
+}
+
+define <4 x i32> @vduplaneQ32(<2 x i32>* %A) nounwind {
+;CHECK-LABEL: vduplaneQ32:
+;CHECK: vdup.32
+ %tmp1 = load <2 x i32>, <2 x i32>* %A
+ %tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 >
+ ret <4 x i32> %tmp2
+}
+
+define <4 x float> @vduplaneQfloat(<2 x float>* %A) nounwind {
+;CHECK-LABEL: vduplaneQfloat:
+;CHECK: vdup.32
+ %tmp1 = load <2 x float>, <2 x float>* %A
+ %tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 >
+ ret <4 x float> %tmp2
+}
+
+define <2 x i64> @foo(<2 x i64> %arg0_int64x1_t) nounwind readnone {
+entry:
+ %0 = shufflevector <2 x i64> %arg0_int64x1_t, <2 x i64> undef, <2 x i32> <i32 1, i32 1>
+ ret <2 x i64> %0
+}
+
+define <2 x i64> @bar(<2 x i64> %arg0_int64x1_t) nounwind readnone {
+entry:
+ %0 = shufflevector <2 x i64> %arg0_int64x1_t, <2 x i64> undef, <2 x i32> <i32 0, i32 0>
+ ret <2 x i64> %0
+}
+
+define <2 x double> @baz(<2 x double> %arg0_int64x1_t) nounwind readnone {
+entry:
+ %0 = shufflevector <2 x double> %arg0_int64x1_t, <2 x double> undef, <2 x i32> <i32 1, i32 1>
+ ret <2 x double> %0
+}
+
+define <2 x double> @qux(<2 x double> %arg0_int64x1_t) nounwind readnone {
+entry:
+ %0 = shufflevector <2 x double> %arg0_int64x1_t, <2 x double> undef, <2 x i32> <i32 0, i32 0>
+ ret <2 x double> %0
+}
+
+; Radar 7373643
+;CHECK-LABEL: redundantVdup:
+;CHECK: vmov.i8
+;CHECK-NOT: vdup.8
+;CHECK: vstr
+define void @redundantVdup(<8 x i8>* %ptr) nounwind {
+ %1 = insertelement <8 x i8> undef, i8 -128, i32 0
+ %2 = shufflevector <8 x i8> %1, <8 x i8> undef, <8 x i32> zeroinitializer
+ store <8 x i8> %2, <8 x i8>* %ptr, align 8
+ ret void
+}
+
+define <4 x i32> @tdupi(i32 %x, i32 %y) {
+;CHECK-LABEL: tdupi:
+;CHECK: vdup.32
+ %1 = insertelement <4 x i32> undef, i32 %x, i32 0
+ %2 = insertelement <4 x i32> %1, i32 %x, i32 1
+ %3 = insertelement <4 x i32> %2, i32 %x, i32 2
+ %4 = insertelement <4 x i32> %3, i32 %y, i32 3
+ ret <4 x i32> %4
+}
+
+define <4 x float> @tdupf(float %x, float %y) {
+;CHECK-LABEL: tdupf:
+;CHECK: vdup.32
+ %1 = insertelement <4 x float> undef, float %x, i32 0
+ %2 = insertelement <4 x float> %1, float %x, i32 1
+ %3 = insertelement <4 x float> %2, float %x, i32 2
+ %4 = insertelement <4 x float> %3, float %y, i32 3
+ ret <4 x float> %4
+}
+
+; This test checks that when splatting an element from a vector into another,
+; the value isn't moved out to GPRs first.
+define <4 x i32> @tduplane(<4 x i32> %invec) {
+;CHECK-LABEL: tduplane:
+;CHECK-NOT: vmov {{.*}}, d16[1]
+;CHECK: vdup.32 {{.*}}, d16[1]
+ %in = extractelement <4 x i32> %invec, i32 1
+ %1 = insertelement <4 x i32> undef, i32 %in, i32 0
+ %2 = insertelement <4 x i32> %1, i32 %in, i32 1
+ %3 = insertelement <4 x i32> %2, i32 %in, i32 2
+ %4 = insertelement <4 x i32> %3, i32 255, i32 3
+ ret <4 x i32> %4
+}
+
+define <2 x float> @check_f32(<4 x float> %v) nounwind {
+;CHECK-LABEL: check_f32:
+;CHECK: vdup.32 {{.*}}, d{{..}}[1]
+ %x = extractelement <4 x float> %v, i32 3
+ %1 = insertelement <2 x float> undef, float %x, i32 0
+ %2 = insertelement <2 x float> %1, float %x, i32 1
+ ret <2 x float> %2
+}
+
+define <2 x i32> @check_i32(<4 x i32> %v) nounwind {
+;CHECK-LABEL: check_i32:
+;CHECK: vdup.32 {{.*}}, d{{..}}[1]
+ %x = extractelement <4 x i32> %v, i32 3
+ %1 = insertelement <2 x i32> undef, i32 %x, i32 0
+ %2 = insertelement <2 x i32> %1, i32 %x, i32 1
+ ret <2 x i32> %2
+}
+
+define <4 x i16> @check_i16(<8 x i16> %v) nounwind {
+;CHECK-LABEL: check_i16:
+;CHECK: vdup.16 {{.*}}, d{{..}}[3]
+ %x = extractelement <8 x i16> %v, i32 3
+ %1 = insertelement <4 x i16> undef, i16 %x, i32 0
+ %2 = insertelement <4 x i16> %1, i16 %x, i32 1
+ ret <4 x i16> %2
+}
+
+define <8 x i8> @check_i8(<16 x i8> %v) nounwind {
+;CHECK-LABEL: check_i8:
+;CHECK: vdup.8 {{.*}}, d{{..}}[3]
+ %x = extractelement <16 x i8> %v, i32 3
+ %1 = insertelement <8 x i8> undef, i8 %x, i32 0
+ %2 = insertelement <8 x i8> %1, i8 %x, i32 1
+ ret <8 x i8> %2
+}
+
+; Check that an SPR splat produces a vdup.
+
+define <2 x float> @check_spr_splat2(<2 x float> %p, i16 %q) {
+;CHECK-LABEL: check_spr_splat2:
+;CHECK: vdup.32 d
+ %conv = sitofp i16 %q to float
+ %splat.splatinsert = insertelement <2 x float> undef, float %conv, i32 0
+ %splat.splat = shufflevector <2 x float> %splat.splatinsert, <2 x float> undef, <2 x i32> zeroinitializer
+ %sub = fsub <2 x float> %splat.splat, %p
+ ret <2 x float> %sub
+}
+
+define <4 x float> @check_spr_splat4(<4 x float> %p, i16 %q) {
+;CHECK-LABEL: check_spr_splat4:
+;CHECK: vld1.16
+ %conv = sitofp i16 %q to float
+ %splat.splatinsert = insertelement <4 x float> undef, float %conv, i32 0
+ %splat.splat = shufflevector <4 x float> %splat.splatinsert, <4 x float> undef, <4 x i32> zeroinitializer
+ %sub = fsub <4 x float> %splat.splat, %p
+ ret <4 x float> %sub
+}
+; Same codegen as above test; scalar is splatted using vld1, so shuffle index is irrelevant.
+define <4 x float> @check_spr_splat4_lane1(<4 x float> %p, i16 %q) {
+;CHECK-LABEL: check_spr_splat4_lane1:
+;CHECK: vld1.16
+ %conv = sitofp i16 %q to float
+ %splat.splatinsert = insertelement <4 x float> undef, float %conv, i32 1
+ %splat.splat = shufflevector <4 x float> %splat.splatinsert, <4 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
+ %sub = fsub <4 x float> %splat.splat, %p
+ ret <4 x float> %sub
+}
+
+; Also make sure we don't barf on variable-index extractelts, where we almost
+; could have generated a vdup.
+
+define <8 x i8> @check_i8_varidx(<16 x i8> %v, i32 %idx) {
+; CHECK-LABEL: check_i8_varidx:
+; CHECK: mov r[[FP:[0-9]+]], sp
+; CHECK: ldr r[[IDX:[0-9]+]], [r[[FP]], #4]
+; CHECK: mov r[[SPCOPY:[0-9]+]], sp
+; CHECK: vst1.64 {d{{.*}}, d{{.*}}}, [r[[SPCOPY]]:128], r[[IDX]]
+; CHECK: vld1.8 {d{{.*}}[]}, [r[[SPCOPY]]]
+ %x = extractelement <16 x i8> %v, i32 %idx
+ %1 = insertelement <8 x i8> undef, i8 %x, i32 0
+ %2 = insertelement <8 x i8> %1, i8 %x, i32 1
+ ret <8 x i8> %2
+}
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