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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O3 < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"
; Check that we don't crash on handling of various types of constants
; (including non-integer constants)
define void @test_legal_constants() gc "statepoint-example" {
; CHECK-LABEL: test_legal_constants:
; CHECK: # %bb.0:
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: .Ltmp0:
; CHECK-NEXT: popq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%statepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 2, i32 0, i32 0) #0 [ "deopt" (float 2.0, double 3.0, i8 5, i16 22, i32 8, i64 9, i8 addrspace(1)* null) ]
ret void
}
; Ensure we can allocate and assign values in registers for each type
define void @test_registers(float %v1, double %v2, i8 %v3, i16 %v4, i32 %v5, i64 %v6, i8 addrspace(1)* %v7) gc "statepoint-example" {
; CHECK-LABEL: test_registers:
; CHECK: # %bb.0:
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: movq %r8, (%rsp)
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: .Ltmp1:
; CHECK-NEXT: popq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%statepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 2, i32 0, i32 0) #0 [ "deopt" (float %v1, double %v2, i8 %v3, i16 %v4, i32 %v5, i64 %v6, i8 addrspace(1)* %v7) ]
ret void
}
; For constants which definitely *don't* fit in registers, can we still
; encode them in the stackmap?
define void @test_illegal_constants() gc "statepoint-example" {
; CHECK-LABEL: test_illegal_constants:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $248, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 256
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $144, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $144, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $144, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $0, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq $144, {{[0-9]+}}(%rsp)
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: .Ltmp2:
; CHECK-NEXT: addq $248, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%statepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 2, i32 0, i32 0) #0 [ "deopt" (i128 144, i256 144, i512 144, i1024 144) ]
ret void
}
; Ensure we don't crash w/a value which can't fit in a
; register, and must be spilled.
define void @test_illegal_values(i128 %v1, i256 %v2, i512 %v3, i1024 %v4) gc "statepoint-example" {
; CHECK-LABEL: test_illegal_values:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $248, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 256
; CHECK-NEXT: movq %r9, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq %r8, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq %rcx, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq %rdx, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq %rsi, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq %rdi, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: .Ltmp3:
; CHECK-NEXT: addq $248, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%statepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 2, i32 0, i32 0) #0 [ "deopt" (i128 %v1, i256 %v2, i512 %v3, i1024 %v4) ]
ret void
}
;; TODO: Add a test for illegal register values (i.e. spilling). A
;; trivial one currently crashes.
declare void @foo()
declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 , i32 , void ()*, i32 , i32 , ...)
attributes #0 = { "deopt-lowering"="live-in" }
|
