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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-windows -verify-machineinstrs | FileCheck %s --check-prefixes=DAGISEL
; RUN: llc < %s -mtriple=aarch64-windows -verify-machineinstrs -O0 -fast-isel | FileCheck %s --check-prefixes=O0,FASTISEL
; RUN: llc < %s -mtriple=aarch64-windows -verify-machineinstrs -O0 -global-isel | FileCheck %s --check-prefixes=O0,GISEL
; Check that non-vararg functions compilation is not broken
define win64cc float @foo(float %arg) nounwind {
; GISEL-LABEL: foo:
; GISEL-NEXT: // %bb.0: // %entry
; GISEL-NEXT: ret
entry:
ret float %arg
}
define win64cc void @float_va_fn(float %a, i32 %b, ...) nounwind {
; DAGISEL-LABEL: float_va_fn:
; DAGISEL: // %bb.0: // %entry
; DAGISEL-NEXT: str x30, [sp, #-64]! // 8-byte Folded Spill
; DAGISEL-NEXT: add x8, sp, #16
; DAGISEL-NEXT: fmov s0, w0
; DAGISEL-NEXT: add x0, sp, #16
; DAGISEL-NEXT: stp x3, x4, [sp, #24]
; DAGISEL-NEXT: stp x5, x6, [sp, #40]
; DAGISEL-NEXT: stp x8, x2, [sp, #8]
; DAGISEL-NEXT: str x7, [sp, #56]
; DAGISEL-NEXT: bl f_va_list
; DAGISEL-NEXT: ldr x30, [sp], #64 // 8-byte Folded Reload
; DAGISEL-NEXT: ret
;
; O0-LABEL: float_va_fn:
; O0: // %bb.0: // %entry
; O0-NEXT: sub sp, sp, #80
; O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; O0-NEXT: str x7, [sp, #72]
; O0-NEXT: str x6, [sp, #64]
; O0-NEXT: str x5, [sp, #56]
; O0-NEXT: str x4, [sp, #48]
; O0-NEXT: str x3, [sp, #40]
; O0-NEXT: str x2, [sp, #32]
; O0-NEXT: fmov s0, w0
; O0-NEXT: add x8, sp, #32
; O0-NEXT: str x8, [sp, #8]
; O0-NEXT: ldr x0, [sp, #8]
; O0-NEXT: bl f_va_list
; O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; O0-NEXT: add sp, sp, #80
; O0-NEXT: ret
entry:
%ap = alloca ptr, align 8
call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %ap)
call void @llvm.va_start(ptr nonnull %ap)
%0 = load ptr, ptr %ap, align 8
call void @f_va_list(float %a, ptr %0)
call void @llvm.va_end(ptr nonnull %ap)
call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %ap)
ret void
}
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
declare void @llvm.va_start(ptr)
declare void @f_va_list(float, ptr)
declare void @llvm.va_end(ptr)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
define win64cc void @double_va_fn(double %a, i32 %b, ...) nounwind {
; DAGISEL-LABEL: double_va_fn:
; DAGISEL: // %bb.0: // %entry
; DAGISEL-NEXT: str x30, [sp, #-64]! // 8-byte Folded Spill
; DAGISEL-NEXT: add x8, sp, #16
; DAGISEL-NEXT: fmov d0, x0
; DAGISEL-NEXT: add x0, sp, #16
; DAGISEL-NEXT: stp x3, x4, [sp, #24]
; DAGISEL-NEXT: stp x5, x6, [sp, #40]
; DAGISEL-NEXT: stp x8, x2, [sp, #8]
; DAGISEL-NEXT: str x7, [sp, #56]
; DAGISEL-NEXT: bl d_va_list
; DAGISEL-NEXT: ldr x30, [sp], #64 // 8-byte Folded Reload
; DAGISEL-NEXT: ret
;
; O0-LABEL: double_va_fn:
; O0: // %bb.0: // %entry
; O0-NEXT: sub sp, sp, #80
; O0-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; O0-NEXT: str x7, [sp, #72]
; O0-NEXT: str x6, [sp, #64]
; O0-NEXT: str x5, [sp, #56]
; O0-NEXT: str x4, [sp, #48]
; O0-NEXT: str x3, [sp, #40]
; O0-NEXT: str x2, [sp, #32]
; O0-NEXT: fmov d0, x0
; O0-NEXT: add x8, sp, #32
; O0-NEXT: str x8, [sp, #8]
; O0-NEXT: ldr x0, [sp, #8]
; O0-NEXT: bl d_va_list
; O0-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; O0-NEXT: add sp, sp, #80
; O0-NEXT: ret
entry:
%ap = alloca ptr, align 8
call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %ap)
call void @llvm.va_start(ptr nonnull %ap)
%0 = load ptr, ptr %ap, align 8
call void @d_va_list(double %a, ptr %0)
call void @llvm.va_end(ptr nonnull %ap)
call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %ap)
ret void
}
declare void @d_va_list(double, ptr)
define void @call_f_va() nounwind {
; DAGISEL-LABEL: call_f_va:
; DAGISEL: // %bb.0: // %entry
; DAGISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; DAGISEL-NEXT: mov w0, #1065353216
; DAGISEL-NEXT: mov w1, #2
; DAGISEL-NEXT: mov x2, #4613937818241073152
; DAGISEL-NEXT: mov w3, #4
; DAGISEL-NEXT: bl other_f_va_fn
; DAGISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; DAGISEL-NEXT: ret
;
; FASTISEL-LABEL: call_f_va:
; FASTISEL: // %bb.0: // %entry
; FASTISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; FASTISEL-NEXT: mov w0, #1065353216
; FASTISEL-NEXT: mov w1, #2
; FASTISEL-NEXT: mov x2, #4613937818241073152
; FASTISEL-NEXT: mov w3, #4
; FASTISEL-NEXT: bl other_f_va_fn
; FASTISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; FASTISEL-NEXT: ret
;
; GISEL-LABEL: call_f_va:
; GISEL: // %bb.0: // %entry
; GISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; GISEL-NEXT: fmov s0, #1.00000000
; GISEL-NEXT: fmov w0, s0
; GISEL-NEXT: mov w1, #2
; GISEL-NEXT: fmov d0, #3.00000000
; GISEL-NEXT: fmov x2, d0
; GISEL-NEXT: mov w3, #4
; GISEL-NEXT: bl other_f_va_fn
; GISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; GISEL-NEXT: ret
entry:
tail call win64cc void (float, i32, ...) @other_f_va_fn(float 1.000000e+00, i32 2, double 3.000000e+00, i32 4)
ret void
}
declare win64cc void @other_f_va_fn(float, i32, ...)
define void @call_d_va() nounwind {
; DAGISEL-LABEL: call_d_va:
; DAGISEL: // %bb.0: // %entry
; DAGISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; DAGISEL-NEXT: mov x0, #4607182418800017408
; DAGISEL-NEXT: mov w1, #2
; DAGISEL-NEXT: mov x2, #4613937818241073152
; DAGISEL-NEXT: mov w3, #4
; DAGISEL-NEXT: bl other_d_va_fn
; DAGISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; DAGISEL-NEXT: ret
;
; FASTISEL-LABEL: call_d_va:
; FASTISEL: // %bb.0: // %entry
; FASTISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; FASTISEL-NEXT: mov x0, #4607182418800017408
; FASTISEL-NEXT: mov w1, #2
; FASTISEL-NEXT: mov x2, #4613937818241073152
; FASTISEL-NEXT: mov w3, #4
; FASTISEL-NEXT: bl other_d_va_fn
; FASTISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; FASTISEL-NEXT: ret
;
; GISEL-LABEL: call_d_va:
; GISEL: // %bb.0: // %entry
; GISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; GISEL-NEXT: fmov d0, #1.00000000
; GISEL-NEXT: fmov x0, d0
; GISEL-NEXT: mov w1, #2
; GISEL-NEXT: fmov d0, #3.00000000
; GISEL-NEXT: fmov x2, d0
; GISEL-NEXT: mov w3, #4
; GISEL-NEXT: bl other_d_va_fn
; GISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; GISEL-NEXT: ret
entry:
tail call win64cc void (double, i32, ...) @other_d_va_fn(double 1.000000e+00, i32 2, double 3.000000e+00, i32 4)
ret void
}
declare win64cc void @other_d_va_fn(double, i32, ...)
define void @call_d_non_va() nounwind {
; DAGISEL-LABEL: call_d_non_va:
; DAGISEL: // %bb.0: // %entry
; DAGISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; DAGISEL-NEXT: fmov d0, #1.00000000
; DAGISEL-NEXT: fmov d1, #3.00000000
; DAGISEL-NEXT: mov w0, #2
; DAGISEL-NEXT: mov w1, #4
; DAGISEL-NEXT: bl other_d_non_va_fn
; DAGISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; DAGISEL-NEXT: ret
;
; O0-LABEL: call_d_non_va:
; O0: // %bb.0: // %entry
; O0-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; O0-NEXT: fmov d0, #1.00000000
; O0-NEXT: mov w0, #2
; O0-NEXT: fmov d1, #3.00000000
; O0-NEXT: mov w1, #4
; O0-NEXT: bl other_d_non_va_fn
; O0-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; O0-NEXT: ret
entry:
tail call win64cc void (double, i32, double, i32) @other_d_non_va_fn(double 1.000000e+00, i32 2, double 3.000000e+00, i32 4)
ret void
}
declare win64cc void @other_d_non_va_fn(double, i32, double, i32)
|
