| blob | 5baf7a1dac74c877c41d44bf7d4622181301d519 |
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
5 declare i4 @llvm.ssub.sat.i4(i4, i4)
6 declare i8 @llvm.ssub.sat.i8(i8, i8)
7 declare i16 @llvm.ssub.sat.i16(i16, i16)
8 declare i32 @llvm.ssub.sat.i32(i32, i32)
9 declare i64 @llvm.ssub.sat.i64(i64, i64)
11 define i32 @func32(i32 %x, i32 %y, i32 %z) nounwind {
12 ; X86-LABEL: func32:
13 ; X86: # %bb.0:
14 ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
15 ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
16 ; X86-NEXT: imull {{[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: func32:
26 ; X64: # %bb.0:
27 ; X64-NEXT: imull %edx, %esi
28 ; X64-NEXT: xorl %eax, %eax
29 ; X64-NEXT: cmpl %esi, %edi
30 ; X64-NEXT: setns %al
31 ; X64-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF
32 ; X64-NEXT: subl %esi, %edi
33 ; X64-NEXT: cmovnol %edi, %eax
34 ; X64-NEXT: retq
35 %a = mul i32 %y, %z
36 %tmp = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %a)
37 ret i32 %tmp
38 }
40 define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind {
41 ; X86-LABEL: func64:
42 ; X86: # %bb.0:
43 ; X86-NEXT: pushl %ebx
44 ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
45 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
46 ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax
47 ; X86-NEXT: sbbl {{[0-9]+}}(%esp), %ecx
48 ; X86-NEXT: seto %bl
49 ; X86-NEXT: movl %ecx, %edx
50 ; X86-NEXT: sarl $31, %edx
51 ; X86-NEXT: testb %bl, %bl
52 ; X86-NEXT: cmovnel %edx, %eax
53 ; X86-NEXT: addl $-2147483648, %edx # imm = 0x80000000
54 ; X86-NEXT: testb %bl, %bl
55 ; X86-NEXT: cmovel %ecx, %edx
56 ; X86-NEXT: popl %ebx
57 ; X86-NEXT: retl
58 ;
59 ; X64-LABEL: func64:
60 ; X64: # %bb.0:
61 ; X64-NEXT: xorl %ecx, %ecx
62 ; X64-NEXT: cmpq %rdx, %rdi
63 ; X64-NEXT: setns %cl
64 ; X64-NEXT: movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
65 ; X64-NEXT: addq %rcx, %rax
66 ; X64-NEXT: subq %rdx, %rdi
67 ; X64-NEXT: cmovnoq %rdi, %rax
68 ; X64-NEXT: retq
69 %a = mul i64 %y, %z
70 %tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %z)
71 ret i64 %tmp
72 }
74 define signext i16 @func16(i16 signext %x, i16 signext %y, i16 signext %z) nounwind {
75 ; X86-LABEL: func16:
76 ; X86: # %bb.0:
77 ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
78 ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx
79 ; X86-NEXT: imulw {{[0-9]+}}(%esp), %dx
80 ; X86-NEXT: xorl %ecx, %ecx
81 ; X86-NEXT: cmpw %dx, %ax
82 ; X86-NEXT: setns %cl
83 ; X86-NEXT: addl $32767, %ecx # imm = 0x7FFF
84 ; X86-NEXT: subw %dx, %ax
85 ; X86-NEXT: cmovol %ecx, %eax
86 ; X86-NEXT: # kill: def $ax killed $ax killed $eax
87 ; X86-NEXT: retl
88 ;
89 ; X64-LABEL: func16:
90 ; X64: # %bb.0:
91 ; X64-NEXT: imull %edx, %esi
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 %a = mul i16 %y, %z
101 %tmp = call i16 @llvm.ssub.sat.i16(i16 %x, i16 %a)
102 ret i16 %tmp
103 }
105 define signext i8 @func8(i8 signext %x, i8 signext %y, i8 signext %z) nounwind {
106 ; X86-LABEL: func8:
107 ; X86: # %bb.0:
108 ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %edx
109 ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
110 ; X86-NEXT: mulb {{[0-9]+}}(%esp)
111 ; X86-NEXT: xorl %ecx, %ecx
112 ; X86-NEXT: cmpb %al, %dl
113 ; X86-NEXT: setns %cl
114 ; X86-NEXT: addl $127, %ecx
115 ; X86-NEXT: subb %al, %dl
116 ; X86-NEXT: movzbl %dl, %eax
117 ; X86-NEXT: cmovol %ecx, %eax
118 ; X86-NEXT: # kill: def $al killed $al killed $eax
119 ; X86-NEXT: retl
120 ;
121 ; X64-LABEL: func8:
122 ; X64: # %bb.0:
123 ; X64-NEXT: movl %esi, %eax
124 ; X64-NEXT: # kill: def $al killed $al killed $eax
125 ; X64-NEXT: mulb %dl
126 ; X64-NEXT: xorl %ecx, %ecx
127 ; X64-NEXT: cmpb %al, %dil
128 ; X64-NEXT: setns %cl
129 ; X64-NEXT: addl $127, %ecx
130 ; X64-NEXT: subb %al, %dil
131 ; X64-NEXT: movzbl %dil, %eax
132 ; X64-NEXT: cmovol %ecx, %eax
133 ; X64-NEXT: # kill: def $al killed $al killed $eax
134 ; X64-NEXT: retq
135 %a = mul i8 %y, %z
136 %tmp = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %a)
137 ret i8 %tmp
138 }
140 define signext i4 @func4(i4 signext %x, i4 signext %y, i4 signext %z) nounwind {
141 ; X86-LABEL: func4:
142 ; X86: # %bb.0:
143 ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
144 ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
145 ; X86-NEXT: mulb {{[0-9]+}}(%esp)
146 ; X86-NEXT: shlb $4, %al
147 ; X86-NEXT: sarb $4, %al
148 ; X86-NEXT: subb %al, %cl
149 ; X86-NEXT: movzbl %cl, %eax
150 ; X86-NEXT: cmpb $7, %cl
151 ; X86-NEXT: movl $7, %ecx
152 ; X86-NEXT: cmovll %eax, %ecx
153 ; X86-NEXT: cmpb $-7, %cl
154 ; X86-NEXT: movl $248, %eax
155 ; X86-NEXT: cmovgel %ecx, %eax
156 ; X86-NEXT: movsbl %al, %eax
157 ; X86-NEXT: retl
158 ;
159 ; X64-LABEL: func4:
160 ; X64: # %bb.0:
161 ; X64-NEXT: movl %esi, %eax
162 ; X64-NEXT: # kill: def $al killed $al killed $eax
163 ; X64-NEXT: mulb %dl
164 ; X64-NEXT: shlb $4, %al
165 ; X64-NEXT: sarb $4, %al
166 ; X64-NEXT: subb %al, %dil
167 ; X64-NEXT: movzbl %dil, %eax
168 ; X64-NEXT: cmpb $7, %al
169 ; X64-NEXT: movl $7, %ecx
170 ; X64-NEXT: cmovll %eax, %ecx
171 ; X64-NEXT: cmpb $-7, %cl
172 ; X64-NEXT: movl $248, %eax
173 ; X64-NEXT: cmovgel %ecx, %eax
174 ; X64-NEXT: movsbl %al, %eax
175 ; X64-NEXT: retq
176 %a = mul i4 %y, %z
177 %tmp = call i4 @llvm.ssub.sat.i4(i4 %x, i4 %a)
178 ret i4 %tmp
179 }