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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.ssub.sat.i4(i4, i4)
6declare i8 @llvm.ssub.sat.i8(i8, i8)
7declare i16 @llvm.ssub.sat.i16(i16, i16)
8declare i32 @llvm.ssub.sat.i32(i32, i32)
9declare i64 @llvm.ssub.sat.i64(i64, i64)
10declare <4 x i32> @llvm.ssub.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), %edx
17; X86-NEXT:    xorl %ecx, %ecx
18; X86-NEXT:    cmpl %edx, %eax
19; X86-NEXT:    setns %cl
20; X86-NEXT:    addl $2147483647, %ecx # imm = 0x7FFFFFFF
21; X86-NEXT:    subl %edx, %eax
22; X86-NEXT:    cmovol %ecx, %eax
23; X86-NEXT:    retl
24;
25; X64-LABEL: func:
26; X64:       # %bb.0:
27; X64-NEXT:    xorl %eax, %eax
28; X64-NEXT:    cmpl %esi, %edi
29; X64-NEXT:    setns %al
30; X64-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
31; X64-NEXT:    subl %esi, %edi
32; X64-NEXT:    cmovnol %edi, %eax
33; X64-NEXT:    retq
34  %tmp = call i32 @llvm.ssub.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:    pushl %esi
43; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
44; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
45; X86-NEXT:    subl {{[0-9]+}}(%esp), %ecx
46; X86-NEXT:    sbbl {{[0-9]+}}(%esp), %esi
47; X86-NEXT:    seto %bl
48; X86-NEXT:    movl %esi, %eax
49; X86-NEXT:    sarl $31, %eax
50; X86-NEXT:    testb %bl, %bl
51; X86-NEXT:    cmovel %ecx, %eax
52; X86-NEXT:    xorl %edx, %edx
53; X86-NEXT:    testl %esi, %esi
54; X86-NEXT:    setns %dl
55; X86-NEXT:    addl $2147483647, %edx # imm = 0x7FFFFFFF
56; X86-NEXT:    testb %bl, %bl
57; X86-NEXT:    cmovel %esi, %edx
58; X86-NEXT:    popl %esi
59; X86-NEXT:    popl %ebx
60; X86-NEXT:    retl
61;
62; X64-LABEL: func2:
63; X64:       # %bb.0:
64; X64-NEXT:    xorl %ecx, %ecx
65; X64-NEXT:    cmpq %rsi, %rdi
66; X64-NEXT:    setns %cl
67; X64-NEXT:    movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
68; X64-NEXT:    addq %rcx, %rax
69; X64-NEXT:    subq %rsi, %rdi
70; X64-NEXT:    cmovnoq %rdi, %rax
71; X64-NEXT:    retq
72  %tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %y)
73  ret i64 %tmp
74}
75
76define signext i16 @func16(i16 signext %x, i16 signext %y) nounwind {
77; X86-LABEL: func16:
78; X86:       # %bb.0:
79; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
80; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %edx
81; X86-NEXT:    xorl %ecx, %ecx
82; X86-NEXT:    cmpw %dx, %ax
83; X86-NEXT:    setns %cl
84; X86-NEXT:    addl $32767, %ecx # imm = 0x7FFF
85; X86-NEXT:    subw %dx, %ax
86; X86-NEXT:    cmovol %ecx, %eax
87; X86-NEXT:    # kill: def $ax killed $ax killed $eax
88; X86-NEXT:    retl
89;
90; X64-LABEL: func16:
91; X64:       # %bb.0:
92; X64-NEXT:    xorl %eax, %eax
93; X64-NEXT:    cmpw %si, %di
94; X64-NEXT:    setns %al
95; X64-NEXT:    addl $32767, %eax # imm = 0x7FFF
96; X64-NEXT:    subw %si, %di
97; X64-NEXT:    cmovnol %edi, %eax
98; X64-NEXT:    # kill: def $ax killed $ax killed $eax
99; X64-NEXT:    retq
100  %tmp = call i16 @llvm.ssub.sat.i16(i16 %x, i16 %y)
101  ret i16 %tmp
102}
103
104define signext i8 @func8(i8 signext %x, i8 signext %y) nounwind {
105; X86-LABEL: func8:
106; X86:       # %bb.0:
107; X86-NEXT:    movb {{[0-9]+}}(%esp), %al
108; X86-NEXT:    movb {{[0-9]+}}(%esp), %dl
109; X86-NEXT:    xorl %ecx, %ecx
110; X86-NEXT:    cmpb %dl, %al
111; X86-NEXT:    setns %cl
112; X86-NEXT:    addl $127, %ecx
113; X86-NEXT:    subb %dl, %al
114; X86-NEXT:    movzbl %al, %eax
115; X86-NEXT:    cmovol %ecx, %eax
116; X86-NEXT:    # kill: def $al killed $al killed $eax
117; X86-NEXT:    retl
118;
119; X64-LABEL: func8:
120; X64:       # %bb.0:
121; X64-NEXT:    xorl %ecx, %ecx
122; X64-NEXT:    cmpb %sil, %dil
123; X64-NEXT:    setns %cl
124; X64-NEXT:    addl $127, %ecx
125; X64-NEXT:    subb %sil, %dil
126; X64-NEXT:    movzbl %dil, %eax
127; X64-NEXT:    cmovol %ecx, %eax
128; X64-NEXT:    # kill: def $al killed $al killed $eax
129; X64-NEXT:    retq
130  %tmp = call i8 @llvm.ssub.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:    movb {{[0-9]+}}(%esp), %al
138; X86-NEXT:    subb {{[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 $-8, %al
144; X86-NEXT:    movl $248, %ecx
145; X86-NEXT:    cmovgl %eax, %ecx
146; X86-NEXT:    movsbl %cl, %eax
147; X86-NEXT:    retl
148;
149; X64-LABEL: func3:
150; X64:       # %bb.0:
151; X64-NEXT:    subb %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 $-8, %cl
157; X64-NEXT:    movl $248, %eax
158; X64-NEXT:    cmovgl %ecx, %eax
159; X64-NEXT:    movsbl %al, %eax
160; X64-NEXT:    retq
161  %tmp = call i4 @llvm.ssub.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), %edx
173; X86-NEXT:    xorl %eax, %eax
174; X86-NEXT:    cmpl %edx, %ecx
175; X86-NEXT:    setns %al
176; X86-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
177; X86-NEXT:    subl %edx, %ecx
178; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
179; X86-NEXT:    cmovol %eax, %ecx
180; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
181; X86-NEXT:    xorl %eax, %eax
182; X86-NEXT:    cmpl %esi, %edx
183; X86-NEXT:    setns %al
184; X86-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
185; X86-NEXT:    subl %esi, %edx
186; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
187; X86-NEXT:    cmovol %eax, %edx
188; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
189; X86-NEXT:    xorl %eax, %eax
190; X86-NEXT:    cmpl %edi, %esi
191; X86-NEXT:    setns %al
192; X86-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
193; X86-NEXT:    subl %edi, %esi
194; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
195; X86-NEXT:    cmovol %eax, %esi
196; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
197; X86-NEXT:    xorl %ebx, %ebx
198; X86-NEXT:    cmpl %eax, %edi
199; X86-NEXT:    setns %bl
200; X86-NEXT:    addl $2147483647, %ebx # imm = 0x7FFFFFFF
201; X86-NEXT:    subl %eax, %edi
202; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
203; X86-NEXT:    cmovol %ebx, %edi
204; X86-NEXT:    movl %ecx, 12(%eax)
205; X86-NEXT:    movl %edx, 8(%eax)
206; X86-NEXT:    movl %esi, 4(%eax)
207; X86-NEXT:    movl %edi, (%eax)
208; X86-NEXT:    popl %esi
209; X86-NEXT:    popl %edi
210; X86-NEXT:    popl %ebx
211; X86-NEXT:    retl $4
212;
213; X64-LABEL: vec:
214; X64:       # %bb.0:
215; X64-NEXT:    pxor %xmm2, %xmm2
216; X64-NEXT:    movdqa %xmm0, %xmm3
217; X64-NEXT:    psubd %xmm1, %xmm3
218; X64-NEXT:    pcmpgtd %xmm2, %xmm1
219; X64-NEXT:    pcmpgtd %xmm3, %xmm0
220; X64-NEXT:    pxor %xmm1, %xmm0
221; X64-NEXT:    movdqa %xmm3, %xmm1
222; X64-NEXT:    pandn {{.*}}(%rip), %xmm1
223; X64-NEXT:    pcmpgtd %xmm3, %xmm2
224; X64-NEXT:    psrld $1, %xmm2
225; X64-NEXT:    por %xmm2, %xmm1
226; X64-NEXT:    pand %xmm0, %xmm1
227; X64-NEXT:    pandn %xmm3, %xmm0
228; X64-NEXT:    por %xmm1, %xmm0
229; X64-NEXT:    retq
230  %tmp = call <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32> %x, <4 x i32> %y)
231  ret <4 x i32> %tmp
232}
233