1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+sse2,-sse4.1 < %s | FileCheck %s
4 ; Verify that we don't emit packed vector shifts instructions if the
5 ; condition used by the vector select is a vector of constants.
7 define <4 x float> @test1(<4 x float> %a, <4 x float> %b) {
10 ; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[1,3]
11 ; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3]
13 %1 = select <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x float> %a, <4 x float> %b
17 define <4 x float> @test2(<4 x float> %a, <4 x float> %b) {
20 ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
21 ; CHECK-NEXT: movapd %xmm1, %xmm0
23 %1 = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x float> %a, <4 x float> %b
27 define <4 x float> @test3(<4 x float> %a, <4 x float> %b) {
30 ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
32 %1 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %a, <4 x float> %b
36 define <4 x float> @test4(<4 x float> %a, <4 x float> %b) {
39 ; CHECK-NEXT: movaps %xmm1, %xmm0
41 %1 = select <4 x i1> <i1 false, i1 false, i1 false, i1 false>, <4 x float> %a, <4 x float> %b
45 define <4 x float> @test5(<4 x float> %a, <4 x float> %b) {
49 %1 = select <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x float> %a, <4 x float> %b
53 define <8 x i16> @test6(<8 x i16> %a, <8 x i16> %b) {
57 %1 = select <8 x i1> <i1 true, i1 false, i1 true, i1 false, i1 true, i1 false, i1 true, i1 false>, <8 x i16> %a, <8 x i16> %a
61 define <8 x i16> @test7(<8 x i16> %a, <8 x i16> %b) {
64 ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
65 ; CHECK-NEXT: movapd %xmm1, %xmm0
67 %1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false>, <8 x i16> %a, <8 x i16> %b
71 define <8 x i16> @test8(<8 x i16> %a, <8 x i16> %b) {
74 ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
76 %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 false, i1 true, i1 true, i1 true, i1 true>, <8 x i16> %a, <8 x i16> %b
80 define <8 x i16> @test9(<8 x i16> %a, <8 x i16> %b) {
83 ; CHECK-NEXT: movaps %xmm1, %xmm0
85 %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <8 x i16> %a, <8 x i16> %b
89 define <8 x i16> @test10(<8 x i16> %a, <8 x i16> %b) {
90 ; CHECK-LABEL: test10:
93 %1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i16> %a, <8 x i16> %b
97 define <8 x i16> @test11(<8 x i16> %a, <8 x i16> %b) {
98 ; CHECK-LABEL: test11:
100 ; CHECK-NEXT: movaps {{.*#+}} xmm2 = [0,65535,65535,0,65535,65535,65535,65535]
101 ; CHECK-NEXT: andps %xmm2, %xmm0
102 ; CHECK-NEXT: andnps %xmm1, %xmm2
103 ; CHECK-NEXT: orps %xmm2, %xmm0
105 %1 = select <8 x i1> <i1 false, i1 true, i1 true, i1 false, i1 undef, i1 true, i1 true, i1 undef>, <8 x i16> %a, <8 x i16> %b
109 define <8 x i16> @test12(<8 x i16> %a, <8 x i16> %b) {
110 ; CHECK-LABEL: test12:
112 ; CHECK-NEXT: movaps %xmm1, %xmm0
114 %1 = select <8 x i1> <i1 false, i1 false, i1 undef, i1 false, i1 false, i1 false, i1 false, i1 undef>, <8 x i16> %a, <8 x i16> %b
118 define <8 x i16> @test13(<8 x i16> %a, <8 x i16> %b) {
119 ; CHECK-LABEL: test13:
121 ; CHECK-NEXT: movaps %xmm1, %xmm0
123 %1 = select <8 x i1> <i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef>, <8 x i16> %a, <8 x i16> %b
127 ; Fold (vselect (build_vector AllOnes), N1, N2) -> N1
128 define <4 x float> @test14(<4 x float> %a, <4 x float> %b) {
129 ; CHECK-LABEL: test14:
132 %1 = select <4 x i1> <i1 true, i1 undef, i1 true, i1 undef>, <4 x float> %a, <4 x float> %b
136 define <8 x i16> @test15(<8 x i16> %a, <8 x i16> %b) {
137 ; CHECK-LABEL: test15:
140 %1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 undef, i1 undef, i1 true, i1 true, i1 undef>, <8 x i16> %a, <8 x i16> %b
144 ; Fold (vselect (build_vector AllZeros), N1, N2) -> N2
145 define <4 x float> @test16(<4 x float> %a, <4 x float> %b) {
146 ; CHECK-LABEL: test16:
148 ; CHECK-NEXT: movaps %xmm1, %xmm0
150 %1 = select <4 x i1> <i1 false, i1 undef, i1 false, i1 undef>, <4 x float> %a, <4 x float> %b
154 define <8 x i16> @test17(<8 x i16> %a, <8 x i16> %b) {
155 ; CHECK-LABEL: test17:
157 ; CHECK-NEXT: movaps %xmm1, %xmm0
159 %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 undef, i1 undef, i1 false, i1 false, i1 undef>, <8 x i16> %a, <8 x i16> %b
163 define <4 x float> @test18(<4 x float> %a, <4 x float> %b) {
164 ; CHECK-LABEL: test18:
166 ; CHECK-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
168 %1 = select <4 x i1> <i1 false, i1 true, i1 true, i1 true>, <4 x float> %a, <4 x float> %b
172 define <4 x i32> @test19(<4 x i32> %a, <4 x i32> %b) {
173 ; CHECK-LABEL: test19:
175 ; CHECK-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
177 %1 = select <4 x i1> <i1 false, i1 true, i1 true, i1 true>, <4 x i32> %a, <4 x i32> %b
181 define <2 x double> @test20(<2 x double> %a, <2 x double> %b) {
182 ; CHECK-LABEL: test20:
184 ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
186 %1 = select <2 x i1> <i1 false, i1 true>, <2 x double> %a, <2 x double> %b
190 define <2 x i64> @test21(<2 x i64> %a, <2 x i64> %b) {
191 ; CHECK-LABEL: test21:
193 ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
195 %1 = select <2 x i1> <i1 false, i1 true>, <2 x i64> %a, <2 x i64> %b
199 define <4 x float> @test22(<4 x float> %a, <4 x float> %b) {
200 ; CHECK-LABEL: test22:
202 ; CHECK-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
203 ; CHECK-NEXT: movaps %xmm1, %xmm0
205 %1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x float> %a, <4 x float> %b
209 define <4 x i32> @test23(<4 x i32> %a, <4 x i32> %b) {
210 ; CHECK-LABEL: test23:
212 ; CHECK-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
213 ; CHECK-NEXT: movaps %xmm1, %xmm0
215 %1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x i32> %a, <4 x i32> %b
219 define <2 x double> @test24(<2 x double> %a, <2 x double> %b) {
220 ; CHECK-LABEL: test24:
222 ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
223 ; CHECK-NEXT: movapd %xmm1, %xmm0
225 %1 = select <2 x i1> <i1 true, i1 false>, <2 x double> %a, <2 x double> %b
229 define <2 x i64> @test25(<2 x i64> %a, <2 x i64> %b) {
230 ; CHECK-LABEL: test25:
232 ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
233 ; CHECK-NEXT: movapd %xmm1, %xmm0
235 %1 = select <2 x i1> <i1 true, i1 false>, <2 x i64> %a, <2 x i64> %b
239 define <4 x float> @select_of_shuffles_0(<2 x float> %a0, <2 x float> %b0, <2 x float> %a1, <2 x float> %b1) {
240 ; CHECK-LABEL: select_of_shuffles_0:
242 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
243 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm3[0]
244 ; CHECK-NEXT: subps %xmm1, %xmm0
246 %1 = shufflevector <2 x float> %a0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
247 %2 = shufflevector <2 x float> %a1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
248 %3 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %2, <4 x float> %1
249 %4 = shufflevector <2 x float> %b0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
250 %5 = shufflevector <2 x float> %b1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
251 %6 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %5, <4 x float> %4
252 %7 = fsub <4 x float> %3, %6
257 define <16 x double> @select_illegal(<16 x double> %a, <16 x double> %b) {
258 ; CHECK-LABEL: select_illegal:
260 ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm4
261 ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm5
262 ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm6
263 ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm7
264 ; CHECK-NEXT: movaps %xmm7, 112(%rdi)
265 ; CHECK-NEXT: movaps %xmm6, 96(%rdi)
266 ; CHECK-NEXT: movaps %xmm5, 80(%rdi)
267 ; CHECK-NEXT: movaps %xmm4, 64(%rdi)
268 ; CHECK-NEXT: movaps %xmm3, 48(%rdi)
269 ; CHECK-NEXT: movaps %xmm2, 32(%rdi)
270 ; CHECK-NEXT: movaps %xmm1, 16(%rdi)
271 ; CHECK-NEXT: movaps %xmm0, (%rdi)
272 ; CHECK-NEXT: movq %rdi, %rax
274 %sel = select <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <16 x double> %a, <16 x double> %b
275 ret <16 x double> %sel