xref: /llvm-project/llvm/test/CodeGen/AArch64/scmp.ll (revision de1a423c2356d2040cab74e657ed024bf9ce8517)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
2; RUN: llc -mtriple=aarch64 -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD
3; RUN: llc -mtriple=aarch64 -global-isel -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-GI
4
5define i8 @scmp.8.8(i8 %x, i8 %y) nounwind {
6; CHECK-SD-LABEL: scmp.8.8:
7; CHECK-SD:       // %bb.0:
8; CHECK-SD-NEXT:    sxtb w8, w0
9; CHECK-SD-NEXT:    cmp w8, w1, sxtb
10; CHECK-SD-NEXT:    cset w8, gt
11; CHECK-SD-NEXT:    csinv w0, w8, wzr, ge
12; CHECK-SD-NEXT:    ret
13;
14; CHECK-GI-LABEL: scmp.8.8:
15; CHECK-GI:       // %bb.0:
16; CHECK-GI-NEXT:    sxtb w8, w0
17; CHECK-GI-NEXT:    sxtb w9, w1
18; CHECK-GI-NEXT:    cmp w8, w9
19; CHECK-GI-NEXT:    cset w8, gt
20; CHECK-GI-NEXT:    csinv w0, w8, wzr, ge
21; CHECK-GI-NEXT:    ret
22  %1 = call i8 @llvm.scmp(i8 %x, i8 %y)
23  ret i8 %1
24}
25
26define i8 @scmp.8.16(i16 %x, i16 %y) nounwind {
27; CHECK-SD-LABEL: scmp.8.16:
28; CHECK-SD:       // %bb.0:
29; CHECK-SD-NEXT:    sxth w8, w0
30; CHECK-SD-NEXT:    cmp w8, w1, sxth
31; CHECK-SD-NEXT:    cset w8, gt
32; CHECK-SD-NEXT:    csinv w0, w8, wzr, ge
33; CHECK-SD-NEXT:    ret
34;
35; CHECK-GI-LABEL: scmp.8.16:
36; CHECK-GI:       // %bb.0:
37; CHECK-GI-NEXT:    sxth w8, w0
38; CHECK-GI-NEXT:    sxth w9, w1
39; CHECK-GI-NEXT:    cmp w8, w9
40; CHECK-GI-NEXT:    cset w8, gt
41; CHECK-GI-NEXT:    csinv w0, w8, wzr, ge
42; CHECK-GI-NEXT:    ret
43  %1 = call i8 @llvm.scmp(i16 %x, i16 %y)
44  ret i8 %1
45}
46
47define i8 @scmp.8.32(i32 %x, i32 %y) nounwind {
48; CHECK-LABEL: scmp.8.32:
49; CHECK:       // %bb.0:
50; CHECK-NEXT:    cmp w0, w1
51; CHECK-NEXT:    cset w8, gt
52; CHECK-NEXT:    csinv w0, w8, wzr, ge
53; CHECK-NEXT:    ret
54  %1 = call i8 @llvm.scmp(i32 %x, i32 %y)
55  ret i8 %1
56}
57
58define i8 @scmp.8.64(i64 %x, i64 %y) nounwind {
59; CHECK-LABEL: scmp.8.64:
60; CHECK:       // %bb.0:
61; CHECK-NEXT:    cmp x0, x1
62; CHECK-NEXT:    cset w8, gt
63; CHECK-NEXT:    csinv w0, w8, wzr, ge
64; CHECK-NEXT:    ret
65  %1 = call i8 @llvm.scmp(i64 %x, i64 %y)
66  ret i8 %1
67}
68
69define i8 @scmp.8.128(i128 %x, i128 %y) nounwind {
70; CHECK-SD-LABEL: scmp.8.128:
71; CHECK-SD:       // %bb.0:
72; CHECK-SD-NEXT:    cmp x2, x0
73; CHECK-SD-NEXT:    sbcs xzr, x3, x1
74; CHECK-SD-NEXT:    cset w8, lt
75; CHECK-SD-NEXT:    cmp x0, x2
76; CHECK-SD-NEXT:    sbcs xzr, x1, x3
77; CHECK-SD-NEXT:    csinv w0, w8, wzr, ge
78; CHECK-SD-NEXT:    ret
79;
80; CHECK-GI-LABEL: scmp.8.128:
81; CHECK-GI:       // %bb.0:
82; CHECK-GI-NEXT:    cmp x0, x2
83; CHECK-GI-NEXT:    cset w8, hi
84; CHECK-GI-NEXT:    cmp x1, x3
85; CHECK-GI-NEXT:    cset w9, gt
86; CHECK-GI-NEXT:    csel w8, w8, w9, eq
87; CHECK-GI-NEXT:    cmp x0, x2
88; CHECK-GI-NEXT:    cset w9, lo
89; CHECK-GI-NEXT:    cmp x1, x3
90; CHECK-GI-NEXT:    cset w10, lt
91; CHECK-GI-NEXT:    csel w9, w9, w10, eq
92; CHECK-GI-NEXT:    tst w8, #0x1
93; CHECK-GI-NEXT:    cset w8, ne
94; CHECK-GI-NEXT:    tst w9, #0x1
95; CHECK-GI-NEXT:    csinv w0, w8, wzr, eq
96; CHECK-GI-NEXT:    ret
97  %1 = call i8 @llvm.scmp(i128 %x, i128 %y)
98  ret i8 %1
99}
100
101define i32 @scmp.32.32(i32 %x, i32 %y) nounwind {
102; CHECK-LABEL: scmp.32.32:
103; CHECK:       // %bb.0:
104; CHECK-NEXT:    cmp w0, w1
105; CHECK-NEXT:    cset w8, gt
106; CHECK-NEXT:    csinv w0, w8, wzr, ge
107; CHECK-NEXT:    ret
108  %1 = call i32 @llvm.scmp(i32 %x, i32 %y)
109  ret i32 %1
110}
111
112define i32 @scmp.32.64(i64 %x, i64 %y) nounwind {
113; CHECK-LABEL: scmp.32.64:
114; CHECK:       // %bb.0:
115; CHECK-NEXT:    cmp x0, x1
116; CHECK-NEXT:    cset w8, gt
117; CHECK-NEXT:    csinv w0, w8, wzr, ge
118; CHECK-NEXT:    ret
119  %1 = call i32 @llvm.scmp(i64 %x, i64 %y)
120  ret i32 %1
121}
122
123define i64 @scmp.64.64(i64 %x, i64 %y) nounwind {
124; CHECK-LABEL: scmp.64.64:
125; CHECK:       // %bb.0:
126; CHECK-NEXT:    cmp x0, x1
127; CHECK-NEXT:    cset x8, gt
128; CHECK-NEXT:    csinv x0, x8, xzr, ge
129; CHECK-NEXT:    ret
130  %1 = call i64 @llvm.scmp(i64 %x, i64 %y)
131  ret i64 %1
132}
133
134define <8 x i8> @s_v8i8(<8 x i8> %a, <8 x i8> %b) {
135; CHECK-LABEL: s_v8i8:
136; CHECK:       // %bb.0: // %entry
137; CHECK-NEXT:    cmgt v2.8b, v0.8b, v1.8b
138; CHECK-NEXT:    cmgt v0.8b, v1.8b, v0.8b
139; CHECK-NEXT:    sub v0.8b, v0.8b, v2.8b
140; CHECK-NEXT:    ret
141entry:
142  %c = call <8 x i8> @llvm.scmp(<8 x i8> %a, <8 x i8> %b)
143  ret <8 x i8> %c
144}
145
146define <16 x i8> @s_v16i8(<16 x i8> %a, <16 x i8> %b) {
147; CHECK-LABEL: s_v16i8:
148; CHECK:       // %bb.0: // %entry
149; CHECK-NEXT:    cmgt v2.16b, v0.16b, v1.16b
150; CHECK-NEXT:    cmgt v0.16b, v1.16b, v0.16b
151; CHECK-NEXT:    sub v0.16b, v0.16b, v2.16b
152; CHECK-NEXT:    ret
153entry:
154  %c = call <16 x i8> @llvm.scmp(<16 x i8> %a, <16 x i8> %b)
155  ret <16 x i8> %c
156}
157
158define <4 x i16> @s_v4i16(<4 x i16> %a, <4 x i16> %b) {
159; CHECK-LABEL: s_v4i16:
160; CHECK:       // %bb.0: // %entry
161; CHECK-NEXT:    cmgt v2.4h, v0.4h, v1.4h
162; CHECK-NEXT:    cmgt v0.4h, v1.4h, v0.4h
163; CHECK-NEXT:    sub v0.4h, v0.4h, v2.4h
164; CHECK-NEXT:    ret
165entry:
166  %c = call <4 x i16> @llvm.scmp(<4 x i16> %a, <4 x i16> %b)
167  ret <4 x i16> %c
168}
169
170define <8 x i16> @s_v8i16(<8 x i16> %a, <8 x i16> %b) {
171; CHECK-LABEL: s_v8i16:
172; CHECK:       // %bb.0: // %entry
173; CHECK-NEXT:    cmgt v2.8h, v0.8h, v1.8h
174; CHECK-NEXT:    cmgt v0.8h, v1.8h, v0.8h
175; CHECK-NEXT:    sub v0.8h, v0.8h, v2.8h
176; CHECK-NEXT:    ret
177entry:
178  %c = call <8 x i16> @llvm.scmp(<8 x i16> %a, <8 x i16> %b)
179  ret <8 x i16> %c
180}
181
182define <16 x i16> @s_v16i16(<16 x i16> %a, <16 x i16> %b) {
183; CHECK-SD-LABEL: s_v16i16:
184; CHECK-SD:       // %bb.0: // %entry
185; CHECK-SD-NEXT:    cmgt v4.8h, v1.8h, v3.8h
186; CHECK-SD-NEXT:    cmgt v5.8h, v0.8h, v2.8h
187; CHECK-SD-NEXT:    cmgt v0.8h, v2.8h, v0.8h
188; CHECK-SD-NEXT:    cmgt v1.8h, v3.8h, v1.8h
189; CHECK-SD-NEXT:    sub v0.8h, v0.8h, v5.8h
190; CHECK-SD-NEXT:    sub v1.8h, v1.8h, v4.8h
191; CHECK-SD-NEXT:    ret
192;
193; CHECK-GI-LABEL: s_v16i16:
194; CHECK-GI:       // %bb.0: // %entry
195; CHECK-GI-NEXT:    cmgt v4.8h, v0.8h, v2.8h
196; CHECK-GI-NEXT:    cmgt v5.8h, v1.8h, v3.8h
197; CHECK-GI-NEXT:    cmgt v0.8h, v2.8h, v0.8h
198; CHECK-GI-NEXT:    cmgt v1.8h, v3.8h, v1.8h
199; CHECK-GI-NEXT:    sub v0.8h, v0.8h, v4.8h
200; CHECK-GI-NEXT:    sub v1.8h, v1.8h, v5.8h
201; CHECK-GI-NEXT:    ret
202entry:
203  %c = call <16 x i16> @llvm.scmp(<16 x i16> %a, <16 x i16> %b)
204  ret <16 x i16> %c
205}
206
207define <2 x i32> @s_v2i32(<2 x i32> %a, <2 x i32> %b) {
208; CHECK-LABEL: s_v2i32:
209; CHECK:       // %bb.0: // %entry
210; CHECK-NEXT:    cmgt v2.2s, v0.2s, v1.2s
211; CHECK-NEXT:    cmgt v0.2s, v1.2s, v0.2s
212; CHECK-NEXT:    sub v0.2s, v0.2s, v2.2s
213; CHECK-NEXT:    ret
214entry:
215  %c = call <2 x i32> @llvm.scmp(<2 x i32> %a, <2 x i32> %b)
216  ret <2 x i32> %c
217}
218
219define <4 x i32> @s_v4i32(<4 x i32> %a, <4 x i32> %b) {
220; CHECK-LABEL: s_v4i32:
221; CHECK:       // %bb.0: // %entry
222; CHECK-NEXT:    cmgt v2.4s, v0.4s, v1.4s
223; CHECK-NEXT:    cmgt v0.4s, v1.4s, v0.4s
224; CHECK-NEXT:    sub v0.4s, v0.4s, v2.4s
225; CHECK-NEXT:    ret
226entry:
227  %c = call <4 x i32> @llvm.scmp(<4 x i32> %a, <4 x i32> %b)
228  ret <4 x i32> %c
229}
230
231define <8 x i32> @s_v8i32(<8 x i32> %a, <8 x i32> %b) {
232; CHECK-SD-LABEL: s_v8i32:
233; CHECK-SD:       // %bb.0: // %entry
234; CHECK-SD-NEXT:    cmgt v4.4s, v1.4s, v3.4s
235; CHECK-SD-NEXT:    cmgt v5.4s, v0.4s, v2.4s
236; CHECK-SD-NEXT:    cmgt v0.4s, v2.4s, v0.4s
237; CHECK-SD-NEXT:    cmgt v1.4s, v3.4s, v1.4s
238; CHECK-SD-NEXT:    sub v0.4s, v0.4s, v5.4s
239; CHECK-SD-NEXT:    sub v1.4s, v1.4s, v4.4s
240; CHECK-SD-NEXT:    ret
241;
242; CHECK-GI-LABEL: s_v8i32:
243; CHECK-GI:       // %bb.0: // %entry
244; CHECK-GI-NEXT:    cmgt v4.4s, v0.4s, v2.4s
245; CHECK-GI-NEXT:    cmgt v5.4s, v1.4s, v3.4s
246; CHECK-GI-NEXT:    cmgt v0.4s, v2.4s, v0.4s
247; CHECK-GI-NEXT:    cmgt v1.4s, v3.4s, v1.4s
248; CHECK-GI-NEXT:    sub v0.4s, v0.4s, v4.4s
249; CHECK-GI-NEXT:    sub v1.4s, v1.4s, v5.4s
250; CHECK-GI-NEXT:    ret
251entry:
252  %c = call <8 x i32> @llvm.scmp(<8 x i32> %a, <8 x i32> %b)
253  ret <8 x i32> %c
254}
255
256define <2 x i64> @s_v2i64(<2 x i64> %a, <2 x i64> %b) {
257; CHECK-LABEL: s_v2i64:
258; CHECK:       // %bb.0: // %entry
259; CHECK-NEXT:    cmgt v2.2d, v0.2d, v1.2d
260; CHECK-NEXT:    cmgt v0.2d, v1.2d, v0.2d
261; CHECK-NEXT:    sub v0.2d, v0.2d, v2.2d
262; CHECK-NEXT:    ret
263entry:
264  %c = call <2 x i64> @llvm.scmp(<2 x i64> %a, <2 x i64> %b)
265  ret <2 x i64> %c
266}
267
268define <4 x i64> @s_v4i64(<4 x i64> %a, <4 x i64> %b) {
269; CHECK-SD-LABEL: s_v4i64:
270; CHECK-SD:       // %bb.0: // %entry
271; CHECK-SD-NEXT:    cmgt v4.2d, v1.2d, v3.2d
272; CHECK-SD-NEXT:    cmgt v5.2d, v0.2d, v2.2d
273; CHECK-SD-NEXT:    cmgt v0.2d, v2.2d, v0.2d
274; CHECK-SD-NEXT:    cmgt v1.2d, v3.2d, v1.2d
275; CHECK-SD-NEXT:    sub v0.2d, v0.2d, v5.2d
276; CHECK-SD-NEXT:    sub v1.2d, v1.2d, v4.2d
277; CHECK-SD-NEXT:    ret
278;
279; CHECK-GI-LABEL: s_v4i64:
280; CHECK-GI:       // %bb.0: // %entry
281; CHECK-GI-NEXT:    cmgt v4.2d, v0.2d, v2.2d
282; CHECK-GI-NEXT:    cmgt v5.2d, v1.2d, v3.2d
283; CHECK-GI-NEXT:    cmgt v0.2d, v2.2d, v0.2d
284; CHECK-GI-NEXT:    cmgt v1.2d, v3.2d, v1.2d
285; CHECK-GI-NEXT:    sub v0.2d, v0.2d, v4.2d
286; CHECK-GI-NEXT:    sub v1.2d, v1.2d, v5.2d
287; CHECK-GI-NEXT:    ret
288entry:
289  %c = call <4 x i64> @llvm.scmp(<4 x i64> %a, <4 x i64> %b)
290  ret <4 x i64> %c
291}
292
293define <16 x i8> @signOf_neon_scmp(<8 x i16> %s0_lo, <8 x i16> %s0_hi, <8 x i16> %s1_lo, <8 x i16> %s1_hi) {
294; CHECK-SD-LABEL: signOf_neon_scmp:
295; CHECK-SD:       // %bb.0: // %entry
296; CHECK-SD-NEXT:    cmgt v4.8h, v1.8h, v3.8h
297; CHECK-SD-NEXT:    cmgt v1.8h, v3.8h, v1.8h
298; CHECK-SD-NEXT:    cmgt v3.8h, v0.8h, v2.8h
299; CHECK-SD-NEXT:    cmgt v0.8h, v2.8h, v0.8h
300; CHECK-SD-NEXT:    sub v1.8h, v1.8h, v4.8h
301; CHECK-SD-NEXT:    sub v0.8h, v0.8h, v3.8h
302; CHECK-SD-NEXT:    uzp1 v0.16b, v0.16b, v1.16b
303; CHECK-SD-NEXT:    ret
304;
305; CHECK-GI-LABEL: signOf_neon_scmp:
306; CHECK-GI:       // %bb.0: // %entry
307; CHECK-GI-NEXT:    cmgt v4.8h, v0.8h, v2.8h
308; CHECK-GI-NEXT:    cmgt v5.8h, v1.8h, v3.8h
309; CHECK-GI-NEXT:    cmgt v0.8h, v2.8h, v0.8h
310; CHECK-GI-NEXT:    cmgt v1.8h, v3.8h, v1.8h
311; CHECK-GI-NEXT:    uzp1 v0.16b, v0.16b, v1.16b
312; CHECK-GI-NEXT:    uzp1 v1.16b, v4.16b, v5.16b
313; CHECK-GI-NEXT:    shl v0.16b, v0.16b, #7
314; CHECK-GI-NEXT:    shl v1.16b, v1.16b, #7
315; CHECK-GI-NEXT:    sshr v0.16b, v0.16b, #7
316; CHECK-GI-NEXT:    sshr v1.16b, v1.16b, #7
317; CHECK-GI-NEXT:    sub v0.16b, v0.16b, v1.16b
318; CHECK-GI-NEXT:    ret
319entry:
320  %0 = shufflevector <8 x i16> %s0_lo, <8 x i16> %s0_hi, <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>
321  %1 = shufflevector <8 x i16> %s1_lo, <8 x i16> %s1_hi, <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>
322  %or.i = tail call <16 x i8> @llvm.scmp.v16i8.v16i16(<16 x i16> %0, <16 x i16> %1)
323  ret <16 x i8> %or.i
324}
325