1; These are tests for SSE3 codegen.
2
3; RUN: llc < %s -march=x86-64 -mcpu=nocona -mtriple=i686-apple-darwin9 -O3 \
4; RUN:              | FileCheck %s --check-prefix=X64
5
6; Test for v8xi16 lowering where we extract the first element of the vector and
7; placed it in the second element of the result.
8
9define void @t0(<8 x i16>* %dest, <8 x i16>* %old) nounwind {
10entry:
11	%tmp3 = load <8 x i16>* %old
12	%tmp6 = shufflevector <8 x i16> %tmp3,
13                <8 x i16> < i16 0, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef >,
14                <8 x i32> < i32 8, i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef  >
15	store <8 x i16> %tmp6, <8 x i16>* %dest
16	ret void
17
18; X64-LABEL: t0:
19; X64:	movdqa	(%rsi), %xmm0
20; X64:	pslldq	$2, %xmm0
21; X64:	movdqa	%xmm0, (%rdi)
22; X64:	ret
23}
24
25define <8 x i16> @t1(<8 x i16>* %A, <8 x i16>* %B) nounwind {
26	%tmp1 = load <8 x i16>* %A
27	%tmp2 = load <8 x i16>* %B
28	%tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> < i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7 >
29	ret <8 x i16> %tmp3
30
31; X64-LABEL: t1:
32; X64: 	movdqa	(%rdi), %xmm0
33; X64: 	pinsrw	$0, (%rsi), %xmm0
34; X64: 	ret
35}
36
37define <8 x i16> @t2(<8 x i16> %A, <8 x i16> %B) nounwind {
38	%tmp = shufflevector <8 x i16> %A, <8 x i16> %B, <8 x i32> < i32 9, i32 1, i32 2, i32 9, i32 4, i32 5, i32 6, i32 7 >
39	ret <8 x i16> %tmp
40; X64-LABEL: t2:
41; X64:	pextrw	$1, %xmm1, %eax
42; X64:	pinsrw	$0, %eax, %xmm0
43; X64:	pinsrw	$3, %eax, %xmm0
44; X64:	ret
45}
46
47define <8 x i16> @t3(<8 x i16> %A, <8 x i16> %B) nounwind {
48	%tmp = shufflevector <8 x i16> %A, <8 x i16> %A, <8 x i32> < i32 8, i32 3, i32 2, i32 13, i32 7, i32 6, i32 5, i32 4 >
49	ret <8 x i16> %tmp
50; X64-LABEL: t3:
51; X64: 	pextrw	$5, %xmm0, %eax
52; X64: 	pshuflw	$44, %xmm0, %xmm0
53; X64: 	pshufhw	$27, %xmm0, %xmm0
54; X64: 	pinsrw	$3, %eax, %xmm0
55; X64: 	ret
56}
57
58define <8 x i16> @t4(<8 x i16> %A, <8 x i16> %B) nounwind {
59	%tmp = shufflevector <8 x i16> %A, <8 x i16> %B, <8 x i32> < i32 0, i32 7, i32 2, i32 3, i32 1, i32 5, i32 6, i32 5 >
60	ret <8 x i16> %tmp
61; X64-LABEL: t4:
62; X64: 	pextrw	$7, [[XMM0:%xmm[0-9]+]], %eax
63; X64: 	pshufhw	$100, [[XMM0]], [[XMM1:%xmm[0-9]+]]
64; X64: 	pinsrw	$1, %eax, [[XMM1]]
65; X64: 	pextrw	$1, [[XMM0]], %eax
66; X64: 	pinsrw	$4, %eax, %xmm{{[0-9]}}
67; X64: 	ret
68}
69
70define <8 x i16> @t5(<8 x i16> %A, <8 x i16> %B) nounwind {
71	%tmp = shufflevector <8 x i16> %A, <8 x i16> %B, <8 x i32> < i32 8, i32 9, i32 0, i32 1, i32 10, i32 11, i32 2, i32 3 >
72	ret <8 x i16> %tmp
73; X64: 	t5:
74; X64: 		movlhps	%xmm1, %xmm0
75; X64: 		pshufd	$114, %xmm0, %xmm0
76; X64: 		ret
77}
78
79define <8 x i16> @t6(<8 x i16> %A, <8 x i16> %B) nounwind {
80	%tmp = shufflevector <8 x i16> %A, <8 x i16> %B, <8 x i32> < i32 8, i32 9, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7 >
81	ret <8 x i16> %tmp
82; X64: 	t6:
83; X64: 		movss	%xmm1, %xmm0
84; X64: 		ret
85}
86
87define <8 x i16> @t7(<8 x i16> %A, <8 x i16> %B) nounwind {
88	%tmp = shufflevector <8 x i16> %A, <8 x i16> %B, <8 x i32> < i32 0, i32 0, i32 3, i32 2, i32 4, i32 6, i32 4, i32 7 >
89	ret <8 x i16> %tmp
90; X64: 	t7:
91; X64: 		pshuflw	$-80, %xmm0, %xmm0
92; X64: 		pshufhw	$-56, %xmm0, %xmm0
93; X64: 		ret
94}
95
96define void @t8(<2 x i64>* %res, <2 x i64>* %A) nounwind {
97	%tmp = load <2 x i64>* %A
98	%tmp.upgrd.1 = bitcast <2 x i64> %tmp to <8 x i16>
99	%tmp0 = extractelement <8 x i16> %tmp.upgrd.1, i32 0
100	%tmp1 = extractelement <8 x i16> %tmp.upgrd.1, i32 1
101	%tmp2 = extractelement <8 x i16> %tmp.upgrd.1, i32 2
102	%tmp3 = extractelement <8 x i16> %tmp.upgrd.1, i32 3
103	%tmp4 = extractelement <8 x i16> %tmp.upgrd.1, i32 4
104	%tmp5 = extractelement <8 x i16> %tmp.upgrd.1, i32 5
105	%tmp6 = extractelement <8 x i16> %tmp.upgrd.1, i32 6
106	%tmp7 = extractelement <8 x i16> %tmp.upgrd.1, i32 7
107	%tmp8 = insertelement <8 x i16> undef, i16 %tmp2, i32 0
108	%tmp9 = insertelement <8 x i16> %tmp8, i16 %tmp1, i32 1
109	%tmp10 = insertelement <8 x i16> %tmp9, i16 %tmp0, i32 2
110	%tmp11 = insertelement <8 x i16> %tmp10, i16 %tmp3, i32 3
111	%tmp12 = insertelement <8 x i16> %tmp11, i16 %tmp6, i32 4
112	%tmp13 = insertelement <8 x i16> %tmp12, i16 %tmp5, i32 5
113	%tmp14 = insertelement <8 x i16> %tmp13, i16 %tmp4, i32 6
114	%tmp15 = insertelement <8 x i16> %tmp14, i16 %tmp7, i32 7
115	%tmp15.upgrd.2 = bitcast <8 x i16> %tmp15 to <2 x i64>
116	store <2 x i64> %tmp15.upgrd.2, <2 x i64>* %res
117	ret void
118; X64: 	t8:
119; X64: 		pshuflw	$-58, (%rsi), %xmm0
120; X64: 		pshufhw	$-58, %xmm0, %xmm0
121; X64: 		movdqa	%xmm0, (%rdi)
122; X64: 		ret
123}
124
125define void @t9(<4 x float>* %r, <2 x i32>* %A) nounwind {
126	%tmp = load <4 x float>* %r
127	%tmp.upgrd.3 = bitcast <2 x i32>* %A to double*
128	%tmp.upgrd.4 = load double* %tmp.upgrd.3
129	%tmp.upgrd.5 = insertelement <2 x double> undef, double %tmp.upgrd.4, i32 0
130	%tmp5 = insertelement <2 x double> %tmp.upgrd.5, double undef, i32 1
131	%tmp6 = bitcast <2 x double> %tmp5 to <4 x float>
132	%tmp.upgrd.6 = extractelement <4 x float> %tmp, i32 0
133	%tmp7 = extractelement <4 x float> %tmp, i32 1
134	%tmp8 = extractelement <4 x float> %tmp6, i32 0
135	%tmp9 = extractelement <4 x float> %tmp6, i32 1
136	%tmp10 = insertelement <4 x float> undef, float %tmp.upgrd.6, i32 0
137	%tmp11 = insertelement <4 x float> %tmp10, float %tmp7, i32 1
138	%tmp12 = insertelement <4 x float> %tmp11, float %tmp8, i32 2
139	%tmp13 = insertelement <4 x float> %tmp12, float %tmp9, i32 3
140	store <4 x float> %tmp13, <4 x float>* %r
141	ret void
142; X64: 	t9:
143; X64: 		movaps	(%rdi), %xmm0
144; X64:	        movhps	(%rsi), %xmm0
145; X64:	        movaps	%xmm0, (%rdi)
146; X64: 		ret
147}
148
149
150
151; FIXME: This testcase produces icky code. It can be made much better!
152; PR2585
153
154@g1 = external constant <4 x i32>
155@g2 = external constant <4 x i16>
156
157define internal void @t10() nounwind {
158        load <4 x i32>* @g1, align 16
159        bitcast <4 x i32> %1 to <8 x i16>
160        shufflevector <8 x i16> %2, <8 x i16> undef, <8 x i32> < i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef >
161        bitcast <8 x i16> %3 to <2 x i64>
162        extractelement <2 x i64> %4, i32 0
163        bitcast i64 %5 to <4 x i16>
164        store <4 x i16> %6, <4 x i16>* @g2, align 8
165        ret void
166; X64: 	t10:
167; X64: 		pextrw	$4, [[X0:%xmm[0-9]+]], %e{{..}}
168; X64: 		pextrw	$6, [[X0]], %e{{..}}
169; X64: 		movlhps [[X0]], [[X0]]
170; X64: 		pshuflw	$8, [[X0]], [[X0]]
171; X64: 		pinsrw	$2, %e{{..}}, [[X0]]
172; X64: 		pinsrw	$3, %e{{..}}, [[X0]]
173}
174
175
176; Pack various elements via shuffles.
177define <8 x i16> @t11(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
178entry:
179	%tmp7 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 1, i32 8, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef , i32 undef >
180	ret <8 x i16> %tmp7
181
182; X64-LABEL: t11:
183; X64:	movd	%xmm1, %eax
184; X64:	movlhps	%xmm0, %xmm0
185; X64:	pshuflw	$1, %xmm0, %xmm0
186; X64:	pinsrw	$1, %eax, %xmm0
187; X64:	ret
188}
189
190
191define <8 x i16> @t12(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
192entry:
193	%tmp9 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 0, i32 1, i32 undef, i32 undef, i32 3, i32 11, i32 undef , i32 undef >
194	ret <8 x i16> %tmp9
195
196; X64-LABEL: t12:
197; X64: 	pextrw	$3, %xmm1, %eax
198; X64: 	movlhps	%xmm0, %xmm0
199; X64: 	pshufhw	$3, %xmm0, %xmm0
200; X64: 	pinsrw	$5, %eax, %xmm0
201; X64: 	ret
202}
203
204
205define <8 x i16> @t13(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
206entry:
207	%tmp9 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 8, i32 9, i32 undef, i32 undef, i32 11, i32 3, i32 undef , i32 undef >
208	ret <8 x i16> %tmp9
209; X64-LABEL: t13:
210; X64: 	punpcklqdq	%xmm0, %xmm1
211; X64: 	pextrw	$3, %xmm1, %eax
212; X64: 	pshufd	$52, %xmm1, %xmm0
213; X64: 	pinsrw	$4, %eax, %xmm0
214; X64: 	ret
215}
216
217
218define <8 x i16> @t14(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
219entry:
220	%tmp9 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 8, i32 9, i32 undef, i32 undef, i32 undef, i32 2, i32 undef , i32 undef >
221	ret <8 x i16> %tmp9
222; X64-LABEL: t14:
223; X64: 	punpcklqdq	%xmm0, %xmm1
224; X64: 	pshufhw	$8, %xmm1, %xmm0
225; X64: 	ret
226}
227
228
229; FIXME: t15 is worse off from disabling of scheduler 2-address hack.
230define <8 x i16> @t15(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
231entry:
232        %tmp8 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 undef, i32 undef, i32 7, i32 2, i32 8, i32 undef, i32 undef , i32 undef >
233        ret <8 x i16> %tmp8
234; X64: 	t15:
235; X64: 		pextrw	$7, %xmm0, %eax
236; X64: 		punpcklqdq	%xmm1, %xmm0
237; X64: 		pshuflw	$-128, %xmm0, %xmm0
238; X64: 		pinsrw	$2, %eax, %xmm0
239; X64: 		ret
240}
241
242
243; Test yonah where we convert a shuffle to pextrw and pinrsw
244define <16 x i8> @t16(<16 x i8> %T0) nounwind readnone {
245entry:
246        %tmp8 = shufflevector <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 1, i8 1, i8 1, i8 1, i8 0, i8 0, i8 0, i8 0,  i8 0, i8 0, i8 0, i8 0>, <16 x i8> %T0, <16 x i32> < i32 0, i32 1, i32 16, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef , i32 undef >
247        %tmp9 = shufflevector <16 x i8> %tmp8, <16 x i8> %T0,  <16 x i32> < i32 0, i32 1, i32 2, i32 17,  i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef , i32 undef >
248        ret <16 x i8> %tmp9
249; X64: 	t16:
250; X64: 		pextrw	$8, %xmm0, %eax
251; X64: 		pslldq	$2, %xmm0
252; X64: 		pextrw	$1, %xmm0, %ecx
253; X64: 		movzbl	%cl, %ecx
254; X64: 		orl	%eax, %ecx
255; X64: 		pinsrw	$1, %ecx, %xmm0
256; X64: 		ret
257}
258
259; rdar://8520311
260define <4 x i32> @t17() nounwind {
261entry:
262; X64-LABEL: t17:
263; X64:          movddup (%rax), %xmm0
264  %tmp1 = load <4 x float>* undef, align 16
265  %tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> <i32 4, i32 1, i32 2, i32 3>
266  %tmp3 = load <4 x float>* undef, align 16
267  %tmp4 = shufflevector <4 x float> %tmp2, <4 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
268  %tmp5 = bitcast <4 x float> %tmp3 to <4 x i32>
269  %tmp6 = shufflevector <4 x i32> %tmp5, <4 x i32> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
270  %tmp7 = and <4 x i32> %tmp6, <i32 undef, i32 undef, i32 -1, i32 0>
271  ret <4 x i32> %tmp7
272}
273