1 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+ssse3 | FileCheck %s --check-prefix=SSE --check-prefix=SSSE3
3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE --check-prefix=SSE41
4 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
6 define <4 x i32> @trunc2x2i64(<2 x i64> %a, <2 x i64> %b) {
7 ; SSE2-LABEL: trunc2x2i64:
8 ; SSE2: # BB#0: # %entry
9 ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
10 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
11 ; SSE2-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
14 ; SSSE3-LABEL: trunc2x2i64:
15 ; SSSE3: # BB#0: # %entry
16 ; SSSE3-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
17 ; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
18 ; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
21 ; SSE41-LABEL: trunc2x2i64:
22 ; SSE41: # BB#0: # %entry
23 ; SSE41-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,1,0,2]
24 ; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
25 ; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]
28 ; AVX-LABEL: trunc2x2i64:
29 ; AVX: # BB#0: # %entry
30 ; AVX-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,1,0,2]
31 ; AVX-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
32 ; AVX-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]
37 %0 = trunc <2 x i64> %a to <2 x i32>
38 %1 = trunc <2 x i64> %b to <2 x i32>
39 %2 = shufflevector <2 x i32> %0, <2 x i32> %1, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
43 define i64 @trunc2i64(<2 x i64> %inval) {
44 ; SSE-LABEL: trunc2i64:
45 ; SSE: # BB#0: # %entry
46 ; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
47 ; SSE-NEXT: movd %xmm0, %rax
50 ; AVX-LABEL: trunc2i64:
51 ; AVX: # BB#0: # %entry
52 ; AVX-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
53 ; AVX-NEXT: vmovq %xmm0, %rax
58 %0 = trunc <2 x i64> %inval to <2 x i32>
59 %1 = bitcast <2 x i32> %0 to i64
63 define <8 x i16> @trunc2x4i32(<4 x i32> %a, <4 x i32> %b) {
64 ; SSE2-LABEL: trunc2x4i32:
65 ; SSE2: # BB#0: # %entry
66 ; SSE2-NEXT: pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
67 ; SSE2-NEXT: pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7]
68 ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
69 ; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
70 ; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
71 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
72 ; SSE2-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
75 ; SSSE3-LABEL: trunc2x4i32:
76 ; SSSE3: # BB#0: # %entry
77 ; SSSE3-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
78 ; SSSE3-NEXT: pshufb %xmm2, %xmm1
79 ; SSSE3-NEXT: pshufb %xmm2, %xmm0
80 ; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
83 ; SSE41-LABEL: trunc2x4i32:
84 ; SSE41: # BB#0: # %entry
85 ; SSE41-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
86 ; SSE41-NEXT: pshufb %xmm2, %xmm1
87 ; SSE41-NEXT: pshufb %xmm2, %xmm0
88 ; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
91 ; AVX-LABEL: trunc2x4i32:
92 ; AVX: # BB#0: # %entry
93 ; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
94 ; AVX-NEXT: vpshufb %xmm2, %xmm1, %xmm1
95 ; AVX-NEXT: vpshufb %xmm2, %xmm0, %xmm0
96 ; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
103 %0 = trunc <4 x i32> %a to <4 x i16>
104 %1 = trunc <4 x i32> %b to <4 x i16>
105 %2 = shufflevector <4 x i16> %0, <4 x i16> %1, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
109 ; PR15524 http://llvm.org/bugs/show_bug.cgi?id=15524
110 define i64 @trunc4i32(<4 x i32> %inval) {
111 ; SSE2-LABEL: trunc4i32:
112 ; SSE2: # BB#0: # %entry
113 ; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
114 ; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
115 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
116 ; SSE2-NEXT: movd %xmm0, %rax
119 ; SSSE3-LABEL: trunc4i32:
120 ; SSSE3: # BB#0: # %entry
121 ; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
122 ; SSSE3-NEXT: movd %xmm0, %rax
125 ; SSE41-LABEL: trunc4i32:
126 ; SSE41: # BB#0: # %entry
127 ; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
128 ; SSE41-NEXT: movd %xmm0, %rax
131 ; AVX-LABEL: trunc4i32:
132 ; AVX: # BB#0: # %entry
133 ; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
134 ; AVX-NEXT: vmovq %xmm0, %rax
141 %0 = trunc <4 x i32> %inval to <4 x i16>
142 %1 = bitcast <4 x i16> %0 to i64
146 define <16 x i8> @trunc2x8i16(<8 x i16> %a, <8 x i16> %b) {
147 ; SSE2-LABEL: trunc2x8i16:
148 ; SSE2: # BB#0: # %entry
149 ; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [255,255,255,255,255,255,255,255]
150 ; SSE2-NEXT: pand %xmm2, %xmm1
151 ; SSE2-NEXT: pand %xmm2, %xmm0
152 ; SSE2-NEXT: packuswb %xmm1, %xmm0
155 ; SSSE3-LABEL: trunc2x8i16:
156 ; SSSE3: # BB#0: # %entry
157 ; SSSE3-NEXT: movdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u>
158 ; SSSE3-NEXT: pshufb %xmm2, %xmm1
159 ; SSSE3-NEXT: pshufb %xmm2, %xmm0
160 ; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
163 ; SSE41-LABEL: trunc2x8i16:
164 ; SSE41: # BB#0: # %entry
165 ; SSE41-NEXT: movdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u>
166 ; SSE41-NEXT: pshufb %xmm2, %xmm1
167 ; SSE41-NEXT: pshufb %xmm2, %xmm0
168 ; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
171 ; AVX-LABEL: trunc2x8i16:
172 ; AVX: # BB#0: # %entry
173 ; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u>
174 ; AVX-NEXT: vpshufb %xmm2, %xmm1, %xmm1
175 ; AVX-NEXT: vpshufb %xmm2, %xmm0, %xmm0
176 ; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
183 %0 = trunc <8 x i16> %a to <8 x i8>
184 %1 = trunc <8 x i16> %b to <8 x i8>
185 %2 = shufflevector <8 x i8> %0, <8 x i8> %1, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
189 ; PR15524 http://llvm.org/bugs/show_bug.cgi?id=15524
190 define i64 @trunc8i16(<8 x i16> %inval) {
191 ; SSE2-LABEL: trunc8i16:
192 ; SSE2: # BB#0: # %entry
193 ; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
194 ; SSE2-NEXT: packuswb %xmm0, %xmm0
195 ; SSE2-NEXT: movd %xmm0, %rax
198 ; SSSE3-LABEL: trunc8i16:
199 ; SSSE3: # BB#0: # %entry
200 ; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
201 ; SSSE3-NEXT: movd %xmm0, %rax
204 ; SSE41-LABEL: trunc8i16:
205 ; SSE41: # BB#0: # %entry
206 ; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
207 ; SSE41-NEXT: movd %xmm0, %rax
210 ; AVX-LABEL: trunc8i16:
211 ; AVX: # BB#0: # %entry
212 ; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
213 ; AVX-NEXT: vmovq %xmm0, %rax
220 %0 = trunc <8 x i16> %inval to <8 x i8>
221 %1 = bitcast <8 x i8> %0 to i64