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
223
224
225
226
227
228
229
230
231
|
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -max-registers-for-gc-values=4 -stop-after virtregrewriter < %s | FileCheck %s
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
declare dso_local void @"some_call"(ptr addrspace(1))
declare dso_local i32 @foo(i32, ptr addrspace(1), i32, i32, i32)
declare dso_local ptr @personality_function()
define ptr addrspace(1) @test_basic_invoke(ptr addrspace(1) %obj, ptr addrspace(1) %obj1)
; CHECK-LABEL: name: test_basic_invoke
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x7ffff800), %bb.3(0x00000800)
; CHECK-NEXT: liveins: $rdi, $rsi
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: MOV64mr %stack.1, 1, $noreg, 0, $noreg, renamable $rdi :: (store (s64) into %stack.1)
; CHECK-NEXT: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rsi :: (store (s64) into %stack.0)
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: STATEPOINT 0, 0, 1, @some_call, $rdi, 2, 0, 2, 0, 2, 5, 2, 0, 2, -1, 2, 0, 2, 0, 2, 0, 2, 2, 1, 8, %stack.0, 0, 1, 8, %stack.1, 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s64) on %stack.0), (volatile load store (s64) on %stack.1)
; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: JMP_1 %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1.safepoint_normal_dest:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $rax = MOV64rm %stack.1, 1, $noreg, 0, $noreg :: (load (s64) from %stack.1)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.normal_return:
; CHECK-NEXT: liveins: $rax
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: RET 0, $rax
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3.exceptional_return (landing-pad):
; CHECK-NEXT: liveins: $rax, $rdx
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: RET 0, $rax
gc "statepoint-example" personality ptr @"personality_function" {
entry:
%0 = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void (ptr addrspace(1))) @some_call, i32 1, i32 0, ptr addrspace(1) %obj, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %obj, ptr addrspace(1) %obj1), "deopt" (i32 0, i32 -1, i32 0, i32 0, i32 0)]
to label %safepoint_normal_dest unwind label %exceptional_return
safepoint_normal_dest:
%obj.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %0, i32 0, i32 0)
%obj1.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %0, i32 1, i32 1)
br label %normal_return
normal_return:
ret ptr addrspace(1) %obj.relocated
exceptional_return:
%landing_pad = landingpad token
cleanup
%obj.relocated1 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %landing_pad, i32 0, i32 0)
%obj1.relocated1 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %landing_pad, i32 1, i32 1)
ret ptr addrspace(1) %obj1.relocated1
}
define ptr addrspace(1) @test_invoke_same_val(i1 %cond, ptr addrspace(1) %val1, ptr addrspace(1) %val2, ptr addrspace(1) %val3)
; CHECK-LABEL: name: test_invoke_same_val
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.3(0x40000000)
; CHECK-NEXT: liveins: $edi, $rcx, $rdx, $rsi
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $r14 = COPY $rcx
; CHECK-NEXT: renamable $r15 = COPY $rdx
; CHECK-NEXT: renamable $ebx = COPY $edi
; CHECK-NEXT: TEST8ri renamable $bl, 1, implicit-def $eflags
; CHECK-NEXT: JCC_1 %bb.3, 4, implicit killed $eflags
; CHECK-NEXT: JMP_1 %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1.left:
; CHECK-NEXT: successors: %bb.2(0x7ffff800), %bb.6(0x00000800)
; CHECK-NEXT: liveins: $ebx, $rsi, $r15
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: MOV64mr %stack.0, 1, $noreg, 0, $noreg, renamable $rsi :: (store (s64) into %stack.0)
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: $rdi = COPY killed renamable $rsi
; CHECK-NEXT: renamable $r15 = STATEPOINT 0, 0, 1, @some_call, $rdi, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $r15(tied-def 0), 1, 8, %stack.0, 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s64) on %stack.0)
; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: JMP_1 %bb.2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.left.relocs:
; CHECK-NEXT: successors: %bb.5(0x80000000)
; CHECK-NEXT: liveins: $ebx, $r15
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $r14 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: JMP_1 %bb.5
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3.right:
; CHECK-NEXT: successors: %bb.4(0x7ffff800), %bb.7(0x00000800)
; CHECK-NEXT: liveins: $ebx, $rsi, $r14, $r15
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $r15 :: (store (s64) into %stack.0)
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: $rdi = COPY killed renamable $rsi
; CHECK-NEXT: renamable $r14 = STATEPOINT 0, 0, 1, @some_call, $rdi, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $r14(tied-def 0), 1, 8, %stack.0, 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s64) on %stack.0)
; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4.right.relocs:
; CHECK-NEXT: successors: %bb.5(0x80000000)
; CHECK-NEXT: liveins: $ebx, $r14
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $r15 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5.normal_return:
; CHECK-NEXT: liveins: $ebx, $r14, $r15
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: TEST8ri renamable $bl, 1, implicit-def $eflags, implicit killed $ebx
; CHECK-NEXT: renamable $r14 = CMOV64rr killed renamable $r14, killed renamable $r15, 4, implicit killed $eflags
; CHECK-NEXT: $rax = COPY killed renamable $r14
; CHECK-NEXT: RET 0, $rax
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.6.exceptional_return.left (landing-pad):
; CHECK-NEXT: liveins: $rax, $rdx
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: RET 0, $rax
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.7.exceptional_return.right (landing-pad):
; CHECK-NEXT: liveins: $rax, $rdx
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: RET 0, $rax
gc "statepoint-example" personality ptr @"personality_function" {
entry:
br i1 %cond, label %left, label %right
left:
%sp1 = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void (ptr addrspace(1))) @some_call, i32 1, i32 0, ptr addrspace(1) %val1, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %val1, ptr addrspace(1) %val2)]
to label %left.relocs unwind label %exceptional_return.left
left.relocs:
%val1.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %sp1, i32 0, i32 0)
%val2.relocated_left = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %sp1, i32 1, i32 1)
br label %normal_return
right:
%sp2 = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void (ptr addrspace(1))) @some_call, i32 1, i32 0, ptr addrspace(1) %val1, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %val2, ptr addrspace(1) %val3)]
to label %right.relocs unwind label %exceptional_return.right
right.relocs:
%val2.relocated_right = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %sp2, i32 0, i32 0)
%val3.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %sp2, i32 1, i32 1)
br label %normal_return
normal_return:
%a1 = phi ptr addrspace(1) [%val1.relocated, %left.relocs], [%val3.relocated, %right.relocs]
%a2 = phi ptr addrspace(1) [%val2.relocated_left, %left.relocs], [%val2.relocated_right, %right.relocs]
%ret = select i1 %cond, ptr addrspace(1) %a1, ptr addrspace(1) %a2
ret ptr addrspace(1) %ret
exceptional_return.left:
%landing_pad = landingpad token
cleanup
%val1.relocated2 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %landing_pad, i32 0, i32 0)
ret ptr addrspace(1) %val1.relocated2
exceptional_return.right:
%landing_pad1 = landingpad token
cleanup
%val2.relocated3 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %landing_pad1, i32 0, i32 0)
ret ptr addrspace(1) %val2.relocated3
}
define void @test_duplicate_ir_values() gc "statepoint-example" personality ptr @personality_function {
; CHECK-LABEL: name: test_duplicate_ir_values
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $rax = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg :: (load (s64) from `ptr addrspace(1) undef`, addrspace 1)
; CHECK-NEXT: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rax :: (store (s64) into %stack.0)
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: STATEPOINT 1, 16, 5, undef renamable $rax, undef $edi, undef $rsi, undef $edx, undef $ecx, undef $r8d, 2, 0, 2, 0, 2, 0, 2, 1, 1, 8, %stack.0, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def dead $eax :: (volatile load store (s64) on %stack.0)
; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: JMP_1 %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1.normal_continue:
; CHECK-NEXT: successors: {{$}}
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $rbx = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: $edi = MOV32ri 10
; CHECK-NEXT: dead renamable $rbx = STATEPOINT 2882400000, 0, 1, target-flags(x86-plt) @__llvm_deoptimize, killed $edi, 2, 0, 2, 2, 2, 2, killed renamable $rbx, renamable $rbx, 2, 1, renamable $rbx(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp
; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.exceptional_return (landing-pad):
; CHECK-NEXT: liveins: $rax, $rdx
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: EH_LABEL <mcsymbol >
; CHECK-NEXT: renamable $rbx = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK-NEXT: $edi = MOV32ri -271
; CHECK-NEXT: dead renamable $rbx = STATEPOINT 2882400000, 0, 1, target-flags(x86-plt) @__llvm_deoptimize, killed $edi, 2, 0, 2, 0, 2, 1, killed renamable $rbx, 2, 1, renamable $rbx(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp
; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
entry:
%val1 = load ptr addrspace(1), ptr addrspace(1) undef, align 8
%val2 = load ptr addrspace(1), ptr addrspace(1) undef, align 8
%statepoint_token1 = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 1, i32 16, ptr nonnull elementtype(i32 (i32, ptr addrspace(1), i32, i32, i32)) @foo, i32 5, i32 0, i32 undef, ptr addrspace(1) undef, i32 undef, i32 undef, i32 undef, i32 0, i32 0) [ "deopt"(), "gc-live"(ptr addrspace(1) %val1, ptr addrspace(1) %val2) ]
to label %normal_continue unwind label %exceptional_return
normal_continue: ; preds = %entry
%val1.relocated1 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %statepoint_token1, i32 0, i32 0) ; (%val1, %val1)
%val2.relocated1 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %statepoint_token1, i32 1, i32 1) ; (%val2, %val2)
%safepoint_token2 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr nonnull elementtype(void (i32)) @__llvm_deoptimize, i32 1, i32 2, i32 10, i32 0, i32 0) [ "deopt"(ptr addrspace(1) %val1.relocated1, ptr addrspace(1) %val2.relocated1), "gc-live"() ]
unreachable
exceptional_return: ; preds = %entry
%lpad_token11090 = landingpad token
cleanup
%val2.relocated2 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %lpad_token11090, i32 1, i32 1) ; (%val2, %val2)
%safepoint_token3 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr nonnull elementtype(void (i32)) @__llvm_deoptimize, i32 1, i32 0, i32 -271, i32 0, i32 0) [ "deopt"(ptr addrspace(1) %val2.relocated2), "gc-live"() ]
unreachable
}
declare void @__llvm_deoptimize(i32)
declare token @llvm.experimental.gc.statepoint.p0(i64 immarg, i32 immarg, ptr, i32 immarg, i32 immarg, ...)
declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32)
|
