1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-pc-elfiamcu | FileCheck %s
%struct.st12_t = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
define i32 @test_ints(i32 %a, i32 %b, i32 %c, i32 %d) #0 {
; CHECK-LABEL: test_ints:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addl %edx, %eax
; CHECK-NEXT: imull %ecx, %eax
; CHECK-NEXT: addl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: retl
entry:
%r1 = add i32 %b, %a
%r2 = mul i32 %c, %r1
%r3 = add i32 %d, %r2
ret i32 %r3
}
define i32 @test_floats(i32 %a, i32 %b, float %c, float %d) #0 {
; CHECK-LABEL: test_floats:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addl %edx, %eax
; CHECK-NEXT: imull %ecx, %eax
; CHECK-NEXT: addl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: retl
entry:
%ci = bitcast float %c to i32
%di = bitcast float %d to i32
%r1 = add i32 %b, %a
%r2 = mul i32 %ci, %r1
%r3 = add i32 %di, %r2
ret i32 %r3
}
define double @test_doubles(double %d1, double %d2) #0 {
; CHECK-LABEL: test_doubles:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: adcl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: retl
entry:
%d1i = bitcast double %d1 to i64
%d2i = bitcast double %d2 to i64
%r = add i64 %d1i, %d2i
%rd = bitcast i64 %r to double
ret double %rd
}
define double @test_mixed_doubles(double %d2, i32 %i) #0 {
; CHECK-LABEL: test_mixed_doubles:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addl %ecx, %eax
; CHECK-NEXT: adcl $0, %edx
; CHECK-NEXT: retl
entry:
%iext = zext i32 %i to i64
%d2i = bitcast double %d2 to i64
%r = add i64 %iext, %d2i
%rd = bitcast i64 %r to double
ret double %rd
}
define void @ret_large_struct(ptr noalias nocapture sret(%struct.st12_t) %agg.result, ptr byval(%struct.st12_t) nocapture readonly align 4 %r) #0 {
; CHECK-LABEL: ret_large_struct:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: leal {{[0-9]+}}(%esp), %esi
; CHECK-NEXT: movl $12, %ecx
; CHECK-NEXT: movl %eax, %edi
; CHECK-NEXT: rep;movsl (%esi), %es:(%edi)
; CHECK-NEXT: popl %esi
; CHECK-NEXT: popl %edi
; CHECK-NEXT: retl
entry:
call void @llvm.memcpy.p0.p0.i32(ptr %agg.result, ptr %r, i32 48, i1 false)
ret void
}
define i32 @var_args(i32 %i1, ...) #0 {
; CHECK-LABEL: var_args:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: retl
entry:
ret i32 %i1
}
%struct.S = type { i8 }
define i32 @test_lib_args(float %a, float %b) #0 {
; CHECK-LABEL: test_lib_args:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edx, %eax
; CHECK-NEXT: calll __fixsfsi
; CHECK-NEXT: retl
%ret = fptosi float %b to i32
ret i32 %ret
}
define i32 @test_fp128(ptr %ptr) #0 {
; CHECK-LABEL: test_fp128:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl 12(%eax)
; CHECK-NEXT: pushl 8(%eax)
; CHECK-NEXT: pushl 4(%eax)
; CHECK-NEXT: pushl (%eax)
; CHECK-NEXT: calll __fixtfsi
; CHECK-NEXT: addl $16, %esp
; CHECK-NEXT: retl
%v = load fp128, ptr %ptr
%ret = fptosi fp128 %v to i32
ret i32 %ret
}
declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1
define void @test_alignment_d() #0 {
; CHECK-LABEL: test_alignment_d:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: subl $8, %esp
; CHECK-NEXT: movl $1073741824, {{[0-9]+}}(%esp) # imm = 0x40000000
; CHECK-NEXT: movl $0, (%esp)
; CHECK-NEXT: movl %esp, %eax
; CHECK-NEXT: calll food@PLT
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: retl
entry:
%d = alloca double
store double 2.000000e+00, ptr %d
call void @food(ptr inreg %d)
ret void
}
define void @test_alignment_i() #0 {
; CHECK-LABEL: test_alignment_i:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: subl $8, %esp
; CHECK-NEXT: movl $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: movl $2, (%esp)
; CHECK-NEXT: movl %esp, %eax
; CHECK-NEXT: calll fooi@PLT
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: retl
entry:
%i = alloca i64
store i64 2, ptr %i
call void @fooi(ptr inreg %i)
ret void
}
define void @test_alignment_s() #0 {
; CHECK-LABEL: test_alignment_s:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: movl %esp, %eax
; CHECK-NEXT: calll foos@PLT
; CHECK-NEXT: popl %eax
; CHECK-NEXT: retl
%s = alloca %struct.S, align 4
call void @foos(ptr inreg %s)
ret void
}
define void @test_alignment_fp() #0 {
; CHECK-LABEL: test_alignment_fp:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: subl $16, %esp
; CHECK-NEXT: movl $1073741824, {{[0-9]+}}(%esp) # imm = 0x40000000
; CHECK-NEXT: movl $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: movl $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: movl $0, (%esp)
; CHECK-NEXT: movl %esp, %eax
; CHECK-NEXT: calll foofp@PLT
; CHECK-NEXT: addl $16, %esp
; CHECK-NEXT: retl
entry:
%f = alloca fp128
store fp128 0xL00000000000000004000000000000000, ptr %f
call void @foofp(ptr inreg %f)
ret void
}
declare void @food(ptr inreg)
declare void @fooi(ptr inreg)
declare void @foos(ptr inreg)
declare void @foofp(ptr inreg)
attributes #0 = { nounwind "use-soft-float"="true"}
attributes #1 = { nounwind argmemonly }
|
