xref: /llvm-project/llvm/test/CodeGen/X86/sadd_sat.ll (revision 7b3bbd83c0c24087072ec5b22a76799ab31f87d5) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefix=X64
4
5declare i4 @llvm.sadd.sat.i4(i4, i4)
6declare i8 @llvm.sadd.sat.i8(i8, i8)
7declare i16 @llvm.sadd.sat.i16(i16, i16)
8declare i32 @llvm.sadd.sat.i32(i32, i32)
9declare i64 @llvm.sadd.sat.i64(i64, i64)
10declare <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32>, <4 x i32>)
11
12define i32 @func(i32 %x, i32 %y) nounwind {
13; X86-LABEL: func:
14; X86:       # %bb.0:
15; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
16; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
17; X86-NEXT:    leal (%eax,%ecx), %edx
18; X86-NEXT:    sarl $31, %edx
19; X86-NEXT:    addl $-2147483648, %edx # imm = 0x80000000
20; X86-NEXT:    addl %ecx, %eax
21; X86-NEXT:    cmovol %edx, %eax
22; X86-NEXT:    retl
23;
24; X64-LABEL: func:
25; X64:       # %bb.0:
26; X64-NEXT:    # kill: def $esi killed $esi def $rsi
27; X64-NEXT:    # kill: def $edi killed $edi def $rdi
28; X64-NEXT:    leal (%rdi,%rsi), %eax
29; X64-NEXT:    sarl $31, %eax
30; X64-NEXT:    addl $-2147483648, %eax # imm = 0x80000000
31; X64-NEXT:    addl %esi, %edi
32; X64-NEXT:    cmovnol %edi, %eax
33; X64-NEXT:    retq
34  %tmp = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y);
35  ret i32 %tmp;
36}
37
38define i64 @func2(i64 %x, i64 %y) nounwind {
39; X86-LABEL: func2:
40; X86:       # %bb.0:
41; X86-NEXT:    pushl %ebx
42; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
43; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
44; X86-NEXT:    addl {{[0-9]+}}(%esp), %eax
45; X86-NEXT:    adcl {{[0-9]+}}(%esp), %ecx
46; X86-NEXT:    seto %bl
47; X86-NEXT:    movl %ecx, %edx
48; X86-NEXT:    sarl $31, %edx
49; X86-NEXT:    testb %bl, %bl
50; X86-NEXT:    cmovnel %edx, %eax
51; X86-NEXT:    addl $-2147483648, %edx # imm = 0x80000000
52; X86-NEXT:    testb %bl, %bl
53; X86-NEXT:    cmovel %ecx, %edx
54; X86-NEXT:    popl %ebx
55; X86-NEXT:    retl
56;
57; X64-LABEL: func2:
58; X64:       # %bb.0:
59; X64-NEXT:    leaq (%rdi,%rsi), %rcx
60; X64-NEXT:    sarq $63, %rcx
61; X64-NEXT:    movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
62; X64-NEXT:    xorq %rcx, %rax
63; X64-NEXT:    addq %rsi, %rdi
64; X64-NEXT:    cmovnoq %rdi, %rax
65; X64-NEXT:    retq
66  %tmp = call i64 @llvm.sadd.sat.i64(i64 %x, i64 %y);
67  ret i64 %tmp;
68}
69
70define signext i16 @func16(i16 signext %x, i16 signext %y) nounwind {
71; X86-LABEL: func16:
72; X86:       # %bb.0:
73; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
74; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
75; X86-NEXT:    movl %eax, %edx
76; X86-NEXT:    addw %cx, %dx
77; X86-NEXT:    movswl %dx, %edx
78; X86-NEXT:    sarl $15, %edx
79; X86-NEXT:    xorl $-32768, %edx # imm = 0x8000
80; X86-NEXT:    addw %cx, %ax
81; X86-NEXT:    cmovol %edx, %eax
82; X86-NEXT:    # kill: def $ax killed $ax killed $eax
83; X86-NEXT:    retl
84;
85; X64-LABEL: func16:
86; X64:       # %bb.0:
87; X64-NEXT:    # kill: def $esi killed $esi def $rsi
88; X64-NEXT:    # kill: def $edi killed $edi def $rdi
89; X64-NEXT:    leal (%rdi,%rsi), %eax
90; X64-NEXT:    cwtl
91; X64-NEXT:    sarl $15, %eax
92; X64-NEXT:    xorl $-32768, %eax # imm = 0x8000
93; X64-NEXT:    addw %si, %di
94; X64-NEXT:    cmovnol %edi, %eax
95; X64-NEXT:    # kill: def $ax killed $ax killed $eax
96; X64-NEXT:    retq
97  %tmp = call i16 @llvm.sadd.sat.i16(i16 %x, i16 %y)
98  ret i16 %tmp
99}
100
101define signext i8 @func8(i8 signext %x, i8 signext %y) nounwind {
102; X86-LABEL: func8:
103; X86:       # %bb.0:
104; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
105; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
106; X86-NEXT:    movl %eax, %edx
107; X86-NEXT:    addb %cl, %dl
108; X86-NEXT:    sarb $7, %dl
109; X86-NEXT:    addb $-128, %dl
110; X86-NEXT:    addb %cl, %al
111; X86-NEXT:    movzbl %al, %ecx
112; X86-NEXT:    movzbl %dl, %eax
113; X86-NEXT:    cmovnol %ecx, %eax
114; X86-NEXT:    # kill: def $al killed $al killed $eax
115; X86-NEXT:    retl
116;
117; X64-LABEL: func8:
118; X64:       # %bb.0:
119; X64-NEXT:    # kill: def $esi killed $esi def $rsi
120; X64-NEXT:    # kill: def $edi killed $edi def $rdi
121; X64-NEXT:    leal (%rdi,%rsi), %eax
122; X64-NEXT:    sarb $7, %al
123; X64-NEXT:    addb $-128, %al
124; X64-NEXT:    addb %sil, %dil
125; X64-NEXT:    movzbl %dil, %ecx
126; X64-NEXT:    movzbl %al, %eax
127; X64-NEXT:    cmovnol %ecx, %eax
128; X64-NEXT:    # kill: def $al killed $al killed $eax
129; X64-NEXT:    retq
130  %tmp = call i8 @llvm.sadd.sat.i8(i8 %x, i8 %y)
131  ret i8 %tmp
132}
133
134define signext i4 @func3(i4 signext %x, i4 signext %y) nounwind {
135; X86-LABEL: func3:
136; X86:       # %bb.0:
137; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
138; X86-NEXT:    addb {{[0-9]+}}(%esp), %al
139; X86-NEXT:    movzbl %al, %ecx
140; X86-NEXT:    cmpb $7, %al
141; X86-NEXT:    movl $7, %eax
142; X86-NEXT:    cmovll %ecx, %eax
143; X86-NEXT:    cmpb $-7, %al
144; X86-NEXT:    movl $248, %ecx
145; X86-NEXT:    cmovgel %eax, %ecx
146; X86-NEXT:    movsbl %cl, %eax
147; X86-NEXT:    retl
148;
149; X64-LABEL: func3:
150; X64:       # %bb.0:
151; X64-NEXT:    addb %sil, %dil
152; X64-NEXT:    movzbl %dil, %eax
153; X64-NEXT:    cmpb $7, %al
154; X64-NEXT:    movl $7, %ecx
155; X64-NEXT:    cmovll %eax, %ecx
156; X64-NEXT:    cmpb $-7, %cl
157; X64-NEXT:    movl $248, %eax
158; X64-NEXT:    cmovgel %ecx, %eax
159; X64-NEXT:    movsbl %al, %eax
160; X64-NEXT:    retq
161  %tmp = call i4 @llvm.sadd.sat.i4(i4 %x, i4 %y);
162  ret i4 %tmp;
163}
164
165define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
166; X86-LABEL: vec:
167; X86:       # %bb.0:
168; X86-NEXT:    pushl %ebx
169; X86-NEXT:    pushl %edi
170; X86-NEXT:    pushl %esi
171; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
172; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
173; X86-NEXT:    leal (%ecx,%eax), %esi
174; X86-NEXT:    sarl $31, %esi
175; X86-NEXT:    addl $-2147483648, %esi # imm = 0x80000000
176; X86-NEXT:    addl %eax, %ecx
177; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
178; X86-NEXT:    cmovol %esi, %ecx
179; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
180; X86-NEXT:    leal (%edx,%eax), %edi
181; X86-NEXT:    sarl $31, %edi
182; X86-NEXT:    addl $-2147483648, %edi # imm = 0x80000000
183; X86-NEXT:    addl %eax, %edx
184; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
185; X86-NEXT:    cmovol %edi, %edx
186; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
187; X86-NEXT:    leal (%esi,%eax), %ebx
188; X86-NEXT:    sarl $31, %ebx
189; X86-NEXT:    addl $-2147483648, %ebx # imm = 0x80000000
190; X86-NEXT:    addl %eax, %esi
191; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
192; X86-NEXT:    cmovol %ebx, %esi
193; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
194; X86-NEXT:    leal (%edi,%eax), %ebx
195; X86-NEXT:    sarl $31, %ebx
196; X86-NEXT:    addl $-2147483648, %ebx # imm = 0x80000000
197; X86-NEXT:    addl %eax, %edi
198; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
199; X86-NEXT:    cmovol %ebx, %edi
200; X86-NEXT:    movl %ecx, 12(%eax)
201; X86-NEXT:    movl %edx, 8(%eax)
202; X86-NEXT:    movl %esi, 4(%eax)
203; X86-NEXT:    movl %edi, (%eax)
204; X86-NEXT:    popl %esi
205; X86-NEXT:    popl %edi
206; X86-NEXT:    popl %ebx
207; X86-NEXT:    retl $4
208;
209; X64-LABEL: vec:
210; X64:       # %bb.0:
211; X64-NEXT:    pxor %xmm2, %xmm2
212; X64-NEXT:    pcmpgtd %xmm1, %xmm2
213; X64-NEXT:    paddd %xmm0, %xmm1
214; X64-NEXT:    pcmpgtd %xmm1, %xmm0
215; X64-NEXT:    pxor %xmm2, %xmm0
216; X64-NEXT:    movdqa %xmm0, %xmm2
217; X64-NEXT:    pandn %xmm1, %xmm2
218; X64-NEXT:    psrad $31, %xmm1
219; X64-NEXT:    pxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
220; X64-NEXT:    pand %xmm1, %xmm0
221; X64-NEXT:    por %xmm2, %xmm0
222; X64-NEXT:    retq
223  %tmp = call <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32> %x, <4 x i32> %y);
224  ret <4 x i32> %tmp;
225}
226