xref: /llvm-project/llvm/test/CodeGen/X86/neg-abs.ll (revision f0dd12ec5c0169ba5b4363b62d59511181cf954a) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -verify-machineinstrs -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -verify-machineinstrs -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
4
5declare i8 @llvm.abs.i8(i8, i1)
6declare i16 @llvm.abs.i16(i16, i1)
7declare i24 @llvm.abs.i24(i24, i1)
8declare i32 @llvm.abs.i32(i32, i1)
9declare i64 @llvm.abs.i64(i64, i1)
10declare i128 @llvm.abs.i128(i128, i1)
11
12define i8 @neg_abs_i8(i8 %x) nounwind {
13; X86-LABEL: neg_abs_i8:
14; X86:       # %bb.0:
15; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
16; X86-NEXT:    movl %ecx, %eax
17; X86-NEXT:    sarb $7, %al
18; X86-NEXT:    xorb %al, %cl
19; X86-NEXT:    subb %cl, %al
20; X86-NEXT:    retl
21;
22; X64-LABEL: neg_abs_i8:
23; X64:       # %bb.0:
24; X64-NEXT:    movl %edi, %eax
25; X64-NEXT:    sarb $7, %al
26; X64-NEXT:    xorb %al, %dil
27; X64-NEXT:    subb %dil, %al
28; X64-NEXT:    retq
29  %abs = tail call i8 @llvm.abs.i8(i8 %x, i1 true)
30  %neg = sub nsw i8 0, %abs
31  ret i8 %neg
32}
33
34define i16 @neg_abs_i16(i16 %x) nounwind {
35; X86-LABEL: neg_abs_i16:
36; X86:       # %bb.0:
37; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
38; X86-NEXT:    movswl %cx, %eax
39; X86-NEXT:    sarl $15, %eax
40; X86-NEXT:    xorl %eax, %ecx
41; X86-NEXT:    subl %ecx, %eax
42; X86-NEXT:    # kill: def $ax killed $ax killed $eax
43; X86-NEXT:    retl
44;
45; X64-LABEL: neg_abs_i16:
46; X64:       # %bb.0:
47; X64-NEXT:    movl %edi, %eax
48; X64-NEXT:    negw %ax
49; X64-NEXT:    cmovnsw %di, %ax
50; X64-NEXT:    retq
51  %abs = tail call i16 @llvm.abs.i16(i16 %x, i1 true)
52  %neg = sub nsw i16 0, %abs
53  ret i16 %neg
54}
55
56define i32 @neg_abs_i32(i32 %x) nounwind {
57; X86-LABEL: neg_abs_i32:
58; X86:       # %bb.0:
59; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
60; X86-NEXT:    movl %ecx, %eax
61; X86-NEXT:    sarl $31, %eax
62; X86-NEXT:    xorl %eax, %ecx
63; X86-NEXT:    subl %ecx, %eax
64; X86-NEXT:    retl
65;
66; X64-LABEL: neg_abs_i32:
67; X64:       # %bb.0:
68; X64-NEXT:    movl %edi, %eax
69; X64-NEXT:    negl %eax
70; X64-NEXT:    cmovnsl %edi, %eax
71; X64-NEXT:    retq
72  %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true)
73  %neg = sub nsw i32 0, %abs
74  ret i32 %neg
75}
76
77define i64 @neg_abs_i64(i64 %x) nounwind {
78; X86-LABEL: neg_abs_i64:
79; X86:       # %bb.0:
80; X86-NEXT:    pushl %esi
81; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
82; X86-NEXT:    movl %ecx, %edx
83; X86-NEXT:    sarl $31, %edx
84; X86-NEXT:    xorl %edx, %ecx
85; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
86; X86-NEXT:    xorl %edx, %esi
87; X86-NEXT:    movl %edx, %eax
88; X86-NEXT:    subl %esi, %eax
89; X86-NEXT:    sbbl %ecx, %edx
90; X86-NEXT:    popl %esi
91; X86-NEXT:    retl
92;
93; X64-LABEL: neg_abs_i64:
94; X64:       # %bb.0:
95; X64-NEXT:    movq %rdi, %rax
96; X64-NEXT:    negq %rax
97; X64-NEXT:    cmovnsq %rdi, %rax
98; X64-NEXT:    retq
99  %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true)
100  %neg = sub nsw i64 0, %abs
101  ret i64 %neg
102}
103
104define i128 @neg_abs_i128(i128 %x) nounwind {
105; X86-LABEL: neg_abs_i128:
106; X86:       # %bb.0:
107; X86-NEXT:    pushl %ebp
108; X86-NEXT:    pushl %ebx
109; X86-NEXT:    pushl %edi
110; X86-NEXT:    pushl %esi
111; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
112; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
113; X86-NEXT:    movl %edx, %ecx
114; X86-NEXT:    sarl $31, %ecx
115; X86-NEXT:    xorl %ecx, %edx
116; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
117; X86-NEXT:    xorl %ecx, %esi
118; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
119; X86-NEXT:    xorl %ecx, %edi
120; X86-NEXT:    movl {{[0-9]+}}(%esp), %ebx
121; X86-NEXT:    xorl %ecx, %ebx
122; X86-NEXT:    movl %ecx, %ebp
123; X86-NEXT:    subl %ebx, %ebp
124; X86-NEXT:    movl %ecx, %ebx
125; X86-NEXT:    sbbl %edi, %ebx
126; X86-NEXT:    movl %ecx, %edi
127; X86-NEXT:    sbbl %esi, %edi
128; X86-NEXT:    sbbl %edx, %ecx
129; X86-NEXT:    movl %ebp, (%eax)
130; X86-NEXT:    movl %ebx, 4(%eax)
131; X86-NEXT:    movl %edi, 8(%eax)
132; X86-NEXT:    movl %ecx, 12(%eax)
133; X86-NEXT:    popl %esi
134; X86-NEXT:    popl %edi
135; X86-NEXT:    popl %ebx
136; X86-NEXT:    popl %ebp
137; X86-NEXT:    retl $4
138;
139; X64-LABEL: neg_abs_i128:
140; X64:       # %bb.0:
141; X64-NEXT:    movq %rsi, %rdx
142; X64-NEXT:    sarq $63, %rdx
143; X64-NEXT:    xorq %rdx, %rsi
144; X64-NEXT:    xorq %rdx, %rdi
145; X64-NEXT:    movq %rdx, %rax
146; X64-NEXT:    subq %rdi, %rax
147; X64-NEXT:    sbbq %rsi, %rdx
148; X64-NEXT:    retq
149  %abs = tail call i128 @llvm.abs.i128(i128 %x, i1 true)
150  %neg = sub nsw i128 0, %abs
151  ret i128 %neg
152}
153
154define i8 @sub_abs_i8(i8 %x, i8 %y) nounwind {
155; X86-LABEL: sub_abs_i8:
156; X86:       # %bb.0:
157; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
158; X86-NEXT:    movl %ecx, %eax
159; X86-NEXT:    sarb $7, %al
160; X86-NEXT:    xorb %al, %cl
161; X86-NEXT:    subb %cl, %al
162; X86-NEXT:    addb {{[0-9]+}}(%esp), %al
163; X86-NEXT:    retl
164;
165; X64-LABEL: sub_abs_i8:
166; X64:       # %bb.0:
167; X64-NEXT:    movl %edi, %eax
168; X64-NEXT:    sarb $7, %al
169; X64-NEXT:    xorb %al, %dil
170; X64-NEXT:    subb %dil, %al
171; X64-NEXT:    addb %sil, %al
172; X64-NEXT:    retq
173  %abs = tail call i8 @llvm.abs.i8(i8 %x, i1 false)
174  %neg = sub nsw i8 %y, %abs
175  ret i8 %neg
176}
177
178define i16 @sub_abs_i16(i16 %x, i16 %y) nounwind {
179; X86-LABEL: sub_abs_i16:
180; X86:       # %bb.0:
181; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
182; X86-NEXT:    movswl %cx, %eax
183; X86-NEXT:    sarl $15, %eax
184; X86-NEXT:    xorl %eax, %ecx
185; X86-NEXT:    subl %ecx, %eax
186; X86-NEXT:    addl {{[0-9]+}}(%esp), %eax
187; X86-NEXT:    # kill: def $ax killed $ax killed $eax
188; X86-NEXT:    retl
189;
190; X64-LABEL: sub_abs_i16:
191; X64:       # %bb.0:
192; X64-NEXT:    movl %edi, %eax
193; X64-NEXT:    negw %ax
194; X64-NEXT:    cmovnsw %di, %ax
195; X64-NEXT:    addl %esi, %eax
196; X64-NEXT:    # kill: def $ax killed $ax killed $eax
197; X64-NEXT:    retq
198  %abs = tail call i16 @llvm.abs.i16(i16 %x, i1 false)
199  %neg = sub i16 %y, %abs
200  ret i16 %neg
201}
202
203define i32 @sub_abs_i32(i32 %x, i32 %y) nounwind {
204; X86-LABEL: sub_abs_i32:
205; X86:       # %bb.0:
206; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
207; X86-NEXT:    movl %ecx, %eax
208; X86-NEXT:    sarl $31, %eax
209; X86-NEXT:    xorl %eax, %ecx
210; X86-NEXT:    subl %ecx, %eax
211; X86-NEXT:    addl {{[0-9]+}}(%esp), %eax
212; X86-NEXT:    retl
213;
214; X64-LABEL: sub_abs_i32:
215; X64:       # %bb.0:
216; X64-NEXT:    movl %edi, %eax
217; X64-NEXT:    negl %eax
218; X64-NEXT:    cmovnsl %edi, %eax
219; X64-NEXT:    addl %esi, %eax
220; X64-NEXT:    retq
221  %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 false)
222  %neg = sub i32 %y, %abs
223  ret i32 %neg
224}
225
226define i64 @sub_abs_i64(i64 %x, i64 %y) nounwind {
227; X86-LABEL: sub_abs_i64:
228; X86:       # %bb.0:
229; X86-NEXT:    pushl %edi
230; X86-NEXT:    pushl %esi
231; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
232; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
233; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
234; X86-NEXT:    movl %ecx, %esi
235; X86-NEXT:    sarl $31, %esi
236; X86-NEXT:    xorl %esi, %ecx
237; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
238; X86-NEXT:    xorl %esi, %edi
239; X86-NEXT:    subl %esi, %edi
240; X86-NEXT:    sbbl %esi, %ecx
241; X86-NEXT:    subl %edi, %eax
242; X86-NEXT:    sbbl %ecx, %edx
243; X86-NEXT:    popl %esi
244; X86-NEXT:    popl %edi
245; X86-NEXT:    retl
246;
247; X64-LABEL: sub_abs_i64:
248; X64:       # %bb.0:
249; X64-NEXT:    movq %rdi, %rax
250; X64-NEXT:    negq %rax
251; X64-NEXT:    cmovnsq %rdi, %rax
252; X64-NEXT:    addq %rsi, %rax
253; X64-NEXT:    retq
254  %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 false)
255  %neg = sub i64 %y, %abs
256  ret i64 %neg
257}
258
259define i128 @sub_abs_i128(i128 %x, i128 %y) nounwind {
260; X86-LABEL: sub_abs_i128:
261; X86:       # %bb.0:
262; X86-NEXT:    pushl %edi
263; X86-NEXT:    pushl %esi
264; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
265; X86-NEXT:    movl %eax, %edx
266; X86-NEXT:    sarl $31, %edx
267; X86-NEXT:    xorl %edx, %eax
268; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
269; X86-NEXT:    xorl %edx, %ecx
270; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
271; X86-NEXT:    xorl %edx, %esi
272; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
273; X86-NEXT:    xorl %edx, %edi
274; X86-NEXT:    subl %edx, %edi
275; X86-NEXT:    sbbl %edx, %esi
276; X86-NEXT:    sbbl %edx, %ecx
277; X86-NEXT:    sbbl %edx, %eax
278; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
279; X86-NEXT:    subl %edi, %edx
280; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
281; X86-NEXT:    sbbl %esi, %edi
282; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
283; X86-NEXT:    sbbl %ecx, %esi
284; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
285; X86-NEXT:    sbbl %eax, %ecx
286; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
287; X86-NEXT:    movl %edx, (%eax)
288; X86-NEXT:    movl %edi, 4(%eax)
289; X86-NEXT:    movl %esi, 8(%eax)
290; X86-NEXT:    movl %ecx, 12(%eax)
291; X86-NEXT:    popl %esi
292; X86-NEXT:    popl %edi
293; X86-NEXT:    retl $4
294;
295; X64-LABEL: sub_abs_i128:
296; X64:       # %bb.0:
297; X64-NEXT:    movq %rdx, %rax
298; X64-NEXT:    movq %rsi, %rdx
299; X64-NEXT:    sarq $63, %rdx
300; X64-NEXT:    xorq %rdx, %rsi
301; X64-NEXT:    xorq %rdx, %rdi
302; X64-NEXT:    subq %rdx, %rdi
303; X64-NEXT:    sbbq %rdx, %rsi
304; X64-NEXT:    subq %rdi, %rax
305; X64-NEXT:    sbbq %rsi, %rcx
306; X64-NEXT:    movq %rcx, %rdx
307; X64-NEXT:    retq
308  %abs = tail call i128 @llvm.abs.i128(i128 %x, i1 false)
309  %neg = sub i128 %y, %abs
310  ret i128 %neg
311}
312