xref: /llvm-project/llvm/test/CodeGen/X86/icmp-abs-C.ll (revision 7b3bbd83c0c24087072ec5b22a76799ab31f87d5) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=i686-unknown-linux-gnu < %s | FileCheck %s --check-prefixes=X86
3; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s --check-prefixes=X64
4
5declare i64 @llvm.abs.i64(i64, i1)
6declare i32 @llvm.abs.i32(i32, i1)
7declare i16 @llvm.abs.i16(i16, i1)
8declare i8 @llvm.abs.i8(i8, i1)
9
10define i64 @eq_or_with_dom_abs(i64 %x) nounwind {
11; X86-LABEL: eq_or_with_dom_abs:
12; X86:       # %bb.0:
13; X86-NEXT:    pushl %ebx
14; X86-NEXT:    pushl %edi
15; X86-NEXT:    pushl %esi
16; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
17; X86-NEXT:    movl %edx, %eax
18; X86-NEXT:    sarl $31, %eax
19; X86-NEXT:    xorl %eax, %edx
20; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
21; X86-NEXT:    xorl %eax, %esi
22; X86-NEXT:    subl %eax, %esi
23; X86-NEXT:    sbbl %eax, %edx
24; X86-NEXT:    movl %esi, %eax
25; X86-NEXT:    xorl $12312, %eax # imm = 0x3018
26; X86-NEXT:    xorl $64, %esi
27; X86-NEXT:    xorl %ecx, %ecx
28; X86-NEXT:    orl %edx, %esi
29; X86-NEXT:    sete %bl
30; X86-NEXT:    xorl %esi, %esi
31; X86-NEXT:    movl $2344, %edi # imm = 0x928
32; X86-NEXT:    cmpl %eax, %edi
33; X86-NEXT:    sbbl %edx, %esi
34; X86-NEXT:    jb .LBB0_2
35; X86-NEXT:  # %bb.1:
36; X86-NEXT:    movb %bl, %cl
37; X86-NEXT:    xorl %edx, %edx
38; X86-NEXT:    movl %ecx, %eax
39; X86-NEXT:  .LBB0_2:
40; X86-NEXT:    popl %esi
41; X86-NEXT:    popl %edi
42; X86-NEXT:    popl %ebx
43; X86-NEXT:    retl
44;
45; X64-LABEL: eq_or_with_dom_abs:
46; X64:       # %bb.0:
47; X64-NEXT:    movq %rdi, %rcx
48; X64-NEXT:    negq %rcx
49; X64-NEXT:    cmovsq %rdi, %rcx
50; X64-NEXT:    movq %rcx, %rdx
51; X64-NEXT:    xorq $12312, %rdx # imm = 0x3018
52; X64-NEXT:    xorl %eax, %eax
53; X64-NEXT:    cmpq $64, %rcx
54; X64-NEXT:    sete %al
55; X64-NEXT:    cmpq $2345, %rdx # imm = 0x929
56; X64-NEXT:    cmovaeq %rdx, %rax
57; X64-NEXT:    retq
58  %absx = call i64 @llvm.abs.i64(i64 %x, i1 true)
59  %foo = xor i64 %absx, 12312
60  %bar = icmp ugt i64 %foo, 2344
61  %cmp0 = icmp eq i64 %x, 64
62  %cmp1 = icmp eq i64 %x, -64
63  %cmp = or i1 %cmp0, %cmp1
64  %cmp64 = zext i1 %cmp to i64
65  %r = select i1 %bar, i64 %foo, i64 %cmp64
66  ret i64 %r
67}
68
69define i32 @eq_or_with_dom_abs_non_po2(i32 %x) nounwind {
70; X86-LABEL: eq_or_with_dom_abs_non_po2:
71; X86:       # %bb.0:
72; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
73; X86-NEXT:    movl %edx, %eax
74; X86-NEXT:    sarl $31, %eax
75; X86-NEXT:    xorl %eax, %edx
76; X86-NEXT:    subl %eax, %edx
77; X86-NEXT:    movl %edx, %eax
78; X86-NEXT:    xorl $12312, %eax # imm = 0x3018
79; X86-NEXT:    xorl %ecx, %ecx
80; X86-NEXT:    cmpl $123, %edx
81; X86-NEXT:    sete %dl
82; X86-NEXT:    cmpl $2345, %eax # imm = 0x929
83; X86-NEXT:    jae .LBB1_2
84; X86-NEXT:  # %bb.1:
85; X86-NEXT:    movb %dl, %cl
86; X86-NEXT:    movl %ecx, %eax
87; X86-NEXT:  .LBB1_2:
88; X86-NEXT:    retl
89;
90; X64-LABEL: eq_or_with_dom_abs_non_po2:
91; X64:       # %bb.0:
92; X64-NEXT:    movl %edi, %ecx
93; X64-NEXT:    negl %ecx
94; X64-NEXT:    cmovsl %edi, %ecx
95; X64-NEXT:    movl %ecx, %edx
96; X64-NEXT:    xorl $12312, %edx # imm = 0x3018
97; X64-NEXT:    xorl %eax, %eax
98; X64-NEXT:    cmpl $123, %ecx
99; X64-NEXT:    sete %al
100; X64-NEXT:    cmpl $2345, %edx # imm = 0x929
101; X64-NEXT:    cmovael %edx, %eax
102; X64-NEXT:    retq
103  %absx = call i32 @llvm.abs.i32(i32 %x, i1 true)
104  %foo = xor i32 %absx, 12312
105  %bar = icmp ugt i32 %foo, 2344
106  %cmp0 = icmp eq i32 %x, 123
107  %cmp1 = icmp eq i32 %x, -123
108  %cmp = or i1 %cmp0, %cmp1
109  %cmp64 = zext i1 %cmp to i32
110  %r = select i1 %bar, i32 %foo, i32 %cmp64
111  ret i32 %r
112}
113
114define i8 @ne_and_with_dom_abs_non_pow2(i8 %x) nounwind {
115; X86-LABEL: ne_and_with_dom_abs_non_pow2:
116; X86:       # %bb.0:
117; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
118; X86-NEXT:    movl %ecx, %eax
119; X86-NEXT:    sarb $7, %al
120; X86-NEXT:    xorb %al, %cl
121; X86-NEXT:    subb %al, %cl
122; X86-NEXT:    movl %ecx, %eax
123; X86-NEXT:    xorb $12, %al
124; X86-NEXT:    cmpb $121, %cl
125; X86-NEXT:    setne %cl
126; X86-NEXT:    cmpb $24, %al
127; X86-NEXT:    jae .LBB2_2
128; X86-NEXT:  # %bb.1:
129; X86-NEXT:    movl %ecx, %eax
130; X86-NEXT:  .LBB2_2:
131; X86-NEXT:    retl
132;
133; X64-LABEL: ne_and_with_dom_abs_non_pow2:
134; X64:       # %bb.0:
135; X64-NEXT:    movl %edi, %eax
136; X64-NEXT:    sarb $7, %al
137; X64-NEXT:    xorb %al, %dil
138; X64-NEXT:    subb %al, %dil
139; X64-NEXT:    movl %edi, %ecx
140; X64-NEXT:    xorb $12, %cl
141; X64-NEXT:    xorl %eax, %eax
142; X64-NEXT:    cmpb $121, %dil
143; X64-NEXT:    setne %al
144; X64-NEXT:    cmpb $24, %cl
145; X64-NEXT:    movzbl %cl, %ecx
146; X64-NEXT:    cmovael %ecx, %eax
147; X64-NEXT:    # kill: def $al killed $al killed $eax
148; X64-NEXT:    retq
149  %absx = call i8 @llvm.abs.i8(i8 %x, i1 true)
150  %foo = xor i8 %absx, 12
151  %bar = icmp ugt i8 %foo, 23
152  %cmp0 = icmp ne i8 %x, 121
153  %cmp1 = icmp ne i8 %x, -121
154  %cmp = and i1 %cmp0, %cmp1
155  %cmp64 = zext i1 %cmp to i8
156  %r = select i1 %bar, i8 %foo, i8 %cmp64
157  ret i8 %r
158}
159
160define i16 @ne_and_with_dom_abs(i16 %x) nounwind {
161; X86-LABEL: ne_and_with_dom_abs:
162; X86:       # %bb.0:
163; X86-NEXT:    pushl %esi
164; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
165; X86-NEXT:    movswl %cx, %eax
166; X86-NEXT:    sarl $15, %eax
167; X86-NEXT:    xorl %eax, %ecx
168; X86-NEXT:    subl %eax, %ecx
169; X86-NEXT:    movl %ecx, %eax
170; X86-NEXT:    xorl $12312, %eax # imm = 0x3018
171; X86-NEXT:    movzwl %ax, %esi
172; X86-NEXT:    xorl %edx, %edx
173; X86-NEXT:    cmpw $64, %cx
174; X86-NEXT:    setne %cl
175; X86-NEXT:    cmpl $2345, %esi # imm = 0x929
176; X86-NEXT:    jae .LBB3_2
177; X86-NEXT:  # %bb.1:
178; X86-NEXT:    movb %cl, %dl
179; X86-NEXT:    movl %edx, %eax
180; X86-NEXT:  .LBB3_2:
181; X86-NEXT:    # kill: def $ax killed $ax killed $eax
182; X86-NEXT:    popl %esi
183; X86-NEXT:    retl
184;
185; X64-LABEL: ne_and_with_dom_abs:
186; X64:       # %bb.0:
187; X64-NEXT:    movl %edi, %ecx
188; X64-NEXT:    negw %cx
189; X64-NEXT:    cmovsw %di, %cx
190; X64-NEXT:    movl %ecx, %edx
191; X64-NEXT:    xorl $12312, %edx # imm = 0x3018
192; X64-NEXT:    movzwl %dx, %esi
193; X64-NEXT:    xorl %eax, %eax
194; X64-NEXT:    cmpw $64, %cx
195; X64-NEXT:    setne %al
196; X64-NEXT:    cmpl $2345, %esi # imm = 0x929
197; X64-NEXT:    cmovael %edx, %eax
198; X64-NEXT:    # kill: def $ax killed $ax killed $eax
199; X64-NEXT:    retq
200  %absx = call i16 @llvm.abs.i16(i16 %x, i1 true)
201  %foo = xor i16 %absx, 12312
202  %bar = icmp ugt i16 %foo, 2344
203  %cmp0 = icmp ne i16 %x, 64
204  %cmp1 = icmp ne i16 %x, -64
205  %cmp = and i1 %cmp0, %cmp1
206  %cmp64 = zext i1 %cmp to i16
207  %r = select i1 %bar, i16 %foo, i16 %cmp64
208  ret i16 %r
209}
210