xref: /llvm-project/llvm/test/CodeGen/PowerPC/perfect-shuffle.ll (revision 300e1293de635adbe651030de5c8ebd3263458b2)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple powerpc64 -mcpu=pwr10 < %s | FileCheck %s --check-prefix=BE
3; RUN: llc -mtriple powerpc64le -mcpu=pwr10 < %s | FileCheck %s --check-prefix=LE
4; RUN: llc -mtriple powerpc64le -mcpu=pwr10 -ppc-disable-perfect-shuffle=false < %s | FileCheck %s --check-prefix=LE
5; RUN: llc -mtriple powerpc64 -mcpu=pwr10 -ppc-disable-perfect-shuffle=false < %s | FileCheck %s --check-prefix=BE-ENABLE
6
7; TODO: Fix the worse codegen when disabling perfect shuffle
8
9define <4 x float> @shuffle1(<16 x i8> %v1, <16 x i8> %v2) {
10; BE-LABEL: shuffle1:
11; BE:       # %bb.0:
12; BE-NEXT:    addis 3, 2, .LCPI0_0@toc@ha
13; BE-NEXT:    addi 3, 3, .LCPI0_0@toc@l
14; BE-NEXT:    lxv 36, 0(3)
15; BE-NEXT:    vperm 2, 2, 3, 4
16; BE-NEXT:    blr
17;
18; LE-LABEL: shuffle1:
19; LE:       # %bb.0:
20; LE-NEXT:    vpkudum 2, 3, 2
21; LE-NEXT:    blr
22;
23; BE-ENABLE-LABEL: shuffle1:
24; BE-ENABLE:       # %bb.0:
25; BE-ENABLE-NEXT:    xxmrglw 0, 34, 35
26; BE-ENABLE-NEXT:    xxmrghw 1, 34, 35
27; BE-ENABLE-NEXT:    xxmrghw 34, 1, 0
28; BE-ENABLE-NEXT:    blr
29  %shuf = shufflevector <16 x i8> %v1, <16 x i8> %v2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19, i32 24, i32 25, i32 26, i32 27>
30  %cast = bitcast <16 x i8> %shuf to <4 x float>
31  ret <4 x float> %cast
32}
33
34define <4 x float> @shuffle2(<16 x i8> %v1, <16 x i8> %v2) {
35; BE-LABEL: shuffle2:
36; BE:       # %bb.0:
37; BE-NEXT:    vpkudum 2, 2, 3
38; BE-NEXT:    blr
39;
40; LE-LABEL: shuffle2:
41; LE:       # %bb.0:
42; LE-NEXT:    plxv 36, .LCPI1_0@PCREL(0), 1
43; LE-NEXT:    vperm 2, 3, 2, 4
44; LE-NEXT:    blr
45;
46; BE-ENABLE-LABEL: shuffle2:
47; BE-ENABLE:       # %bb.0:
48; BE-ENABLE-NEXT:    vpkudum 2, 2, 3
49; BE-ENABLE-NEXT:    blr
50  %shuf = shufflevector <16 x i8> %v1, <16 x i8> %v2, <16 x i32> <i32 4, i32 5, i32 6, i32 7, i32 12, i32 13, i32 14, i32 15, i32 20, i32 21, i32 22, i32 23, i32 28, i32 29, i32 30, i32 31>
51  %cast = bitcast <16 x i8> %shuf to <4 x float>
52  ret <4 x float> %cast
53}
54
55define <4 x float> @shuffle3(<16 x i8> %v1, <16 x i8> %v2, <16 x i8> %v3, <16 x i8> %v4) {
56; BE-LABEL: shuffle3:
57; BE:       # %bb.0:
58; BE-NEXT:    addis 3, 2, .LCPI2_0@toc@ha
59; BE-NEXT:    addi 3, 3, .LCPI2_0@toc@l
60; BE-NEXT:    lxv 32, 0(3)
61; BE-NEXT:    vperm 2, 2, 3, 0
62; BE-NEXT:    vperm 3, 4, 5, 0
63; BE-NEXT:    xvaddsp 34, 34, 35
64; BE-NEXT:    blr
65;
66; LE-LABEL: shuffle3:
67; LE:       # %bb.0:
68; LE-NEXT:    vpkudum 2, 3, 2
69; LE-NEXT:    vpkudum 3, 5, 4
70; LE-NEXT:    xvaddsp 34, 34, 35
71; LE-NEXT:    blr
72;
73; BE-ENABLE-LABEL: shuffle3:
74; BE-ENABLE:       # %bb.0:
75; BE-ENABLE-NEXT:    xxmrglw 0, 34, 35
76; BE-ENABLE-NEXT:    xxmrghw 1, 34, 35
77; BE-ENABLE-NEXT:    xxmrghw 34, 1, 0
78; BE-ENABLE-NEXT:    xxmrglw 0, 36, 37
79; BE-ENABLE-NEXT:    xxmrghw 1, 36, 37
80; BE-ENABLE-NEXT:    xxmrghw 35, 1, 0
81; BE-ENABLE-NEXT:    xvaddsp 34, 34, 35
82; BE-ENABLE-NEXT:    blr
83  %shuf1 = shufflevector <16 x i8> %v1, <16 x i8> %v2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19, i32 24, i32 25, i32 26, i32 27>
84  %shuf2 = shufflevector <16 x i8> %v3, <16 x i8> %v4, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19, i32 24, i32 25, i32 26, i32 27>
85  %cast1 = bitcast <16 x i8> %shuf1 to <4 x float>
86  %cast2 = bitcast <16 x i8> %shuf2 to <4 x float>
87  %add = fadd <4 x float> %cast1, %cast2
88  ret <4 x float> %add
89}
90
91define <4 x float> @shuffle4(<16 x i8> %v1, <16 x i8> %v2, <16 x i8> %v3, <16 x i8> %v4) {
92; BE-LABEL: shuffle4:
93; BE:       # %bb.0:
94; BE-NEXT:    vpkudum 2, 2, 3
95; BE-NEXT:    vpkudum 3, 4, 5
96; BE-NEXT:    xvaddsp 34, 34, 35
97; BE-NEXT:    blr
98;
99; LE-LABEL: shuffle4:
100; LE:       # %bb.0:
101; LE-NEXT:    plxv 32, .LCPI3_0@PCREL(0), 1
102; LE-NEXT:    vperm 2, 3, 2, 0
103; LE-NEXT:    vperm 3, 5, 4, 0
104; LE-NEXT:    xvaddsp 34, 34, 35
105; LE-NEXT:    blr
106;
107; BE-ENABLE-LABEL: shuffle4:
108; BE-ENABLE:       # %bb.0:
109; BE-ENABLE-NEXT:    vpkudum 2, 2, 3
110; BE-ENABLE-NEXT:    vpkudum 3, 4, 5
111; BE-ENABLE-NEXT:    xvaddsp 34, 34, 35
112; BE-ENABLE-NEXT:    blr
113  %shuf1 = shufflevector <16 x i8> %v1, <16 x i8> %v2, <16 x i32> <i32 4, i32 5, i32 6, i32 7, i32 12, i32 13, i32 14, i32 15, i32 20, i32 21, i32 22, i32 23, i32 28, i32 29, i32 30, i32 31>
114  %shuf2 = shufflevector <16 x i8> %v3, <16 x i8> %v4, <16 x i32> <i32 4, i32 5, i32 6, i32 7, i32 12, i32 13, i32 14, i32 15, i32 20, i32 21, i32 22, i32 23, i32 28, i32 29, i32 30, i32 31>
115  %cast1 = bitcast <16 x i8> %shuf1 to <4 x float>
116  %cast2 = bitcast <16 x i8> %shuf2 to <4 x float>
117  %add = fadd <4 x float> %cast1, %cast2
118  ret <4 x float> %add
119}
120
121define <4 x float> @shuffle5(<16 x i8> %v1, <16 x i8> %v2, <16 x i8> %v3, <16 x i8> %v4) {
122; BE-LABEL: shuffle5:
123; BE:       # %bb.0: # %entry
124; BE-NEXT:    addis 3, 2, .LCPI4_0@toc@ha
125; BE-NEXT:    addi 3, 3, .LCPI4_0@toc@l
126; BE-NEXT:    lxv 32, 0(3)
127; BE-NEXT:    li 3, 8
128; BE-NEXT:    vextublx 3, 3, 2
129; BE-NEXT:    andi. 3, 3, 255
130; BE-NEXT:    vperm 3, 2, 3, 0
131; BE-NEXT:    vmr 2, 3
132; BE-NEXT:    beq 0, .LBB4_2
133; BE-NEXT:  # %bb.1: # %exit
134; BE-NEXT:    xvaddsp 34, 35, 34
135; BE-NEXT:    blr
136; BE-NEXT:  .LBB4_2: # %second
137; BE-NEXT:    vperm 2, 4, 5, 0
138; BE-NEXT:    xvaddsp 34, 35, 34
139; BE-NEXT:    blr
140;
141; LE-LABEL: shuffle5:
142; LE:       # %bb.0: # %entry
143; LE-NEXT:    vpkudum 3, 3, 2
144; LE-NEXT:    li 3, 8
145; LE-NEXT:    vextubrx 3, 3, 2
146; LE-NEXT:    vmr 2, 3
147; LE-NEXT:    andi. 3, 3, 255
148; LE-NEXT:    beq 0, .LBB4_2
149; LE-NEXT:  # %bb.1: # %exit
150; LE-NEXT:    xvaddsp 34, 35, 34
151; LE-NEXT:    blr
152; LE-NEXT:  .LBB4_2: # %second
153; LE-NEXT:    vpkudum 2, 5, 4
154; LE-NEXT:    xvaddsp 34, 35, 34
155; LE-NEXT:    blr
156;
157; BE-ENABLE-LABEL: shuffle5:
158; BE-ENABLE:       # %bb.0: # %entry
159; BE-ENABLE-NEXT:    xxmrglw 0, 34, 35
160; BE-ENABLE-NEXT:    xxmrghw 1, 34, 35
161; BE-ENABLE-NEXT:    li 3, 8
162; BE-ENABLE-NEXT:    vextublx 3, 3, 2
163; BE-ENABLE-NEXT:    xxmrghw 0, 1, 0
164; BE-ENABLE-NEXT:    andi. 3, 3, 255
165; BE-ENABLE-NEXT:    xxlor 1, 0, 0
166; BE-ENABLE-NEXT:    beq 0, .LBB4_2
167; BE-ENABLE-NEXT:  # %bb.1: # %exit
168; BE-ENABLE-NEXT:    xvaddsp 34, 0, 1
169; BE-ENABLE-NEXT:    blr
170; BE-ENABLE-NEXT:  .LBB4_2: # %second
171; BE-ENABLE-NEXT:    xxmrglw 1, 36, 37
172; BE-ENABLE-NEXT:    xxmrghw 2, 36, 37
173; BE-ENABLE-NEXT:    xxmrghw 1, 2, 1
174; BE-ENABLE-NEXT:    xvaddsp 34, 0, 1
175; BE-ENABLE-NEXT:    blr
176entry:
177  %shuf1 = shufflevector <16 x i8> %v1, <16 x i8> %v2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19, i32 24, i32 25, i32 26, i32 27>
178  %fetch = extractelement <16 x i8> %shuf1, i32 4
179  %icmp = icmp eq i8 %fetch, 0
180  br i1 %icmp, label %second, label %exit
181
182second:
183  %shufs = shufflevector <16 x i8> %v3, <16 x i8> %v4, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19, i32 24, i32 25, i32 26, i32 27>
184  br label %exit
185
186exit:
187  %shuf2 = phi <16 x i8> [%shuf1, %entry], [%shufs, %second]
188  %cast1 = bitcast <16 x i8> %shuf1 to <4 x float>
189  %cast2 = bitcast <16 x i8> %shuf2 to <4 x float>
190  %add = fadd <4 x float> %cast1, %cast2
191  ret <4 x float> %add
192}
193