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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=x86_64-grtev4-linux-gnu < %s | FileCheck %s
%struct.wibble = type { %struct.wombat }
%struct.wombat = type { %struct.ham, [3 x i8] }
%struct.ham = type { %struct.zot }
%struct.zot = type { %struct.blam }
%struct.blam = type { %struct.ham.0 }
%struct.ham.0 = type { %struct.bar }
%struct.bar = type { %struct.bar.1 }
%struct.bar.1 = type { %struct.baz, i8 }
%struct.baz = type { %struct.snork }
%struct.snork = type <{ %struct.spam, i8, [3 x i8] }>
%struct.spam = type { %struct.snork.2, %struct.snork.2 }
%struct.snork.2 = type { i32 }
%struct.snork.3 = type { %struct.baz, i8, [3 x i8] }
define void @foo(ptr %arg, ptr %arg1, i40 %arg2, ptr %arg3, i32 %arg4) #0 {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbp, -16
; CHECK-NEXT: movq %rsp, %rbp
; CHECK-NEXT: .cfi_def_cfa_register %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r13
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: subq $24, %rsp
; CHECK-NEXT: .cfi_offset %rbx, -56
; CHECK-NEXT: .cfi_offset %r12, -48
; CHECK-NEXT: .cfi_offset %r13, -40
; CHECK-NEXT: .cfi_offset %r14, -32
; CHECK-NEXT: .cfi_offset %r15, -24
; CHECK-NEXT: movl %r8d, %r14d
; CHECK-NEXT: movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT: movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT: movq %rsi, %r13
; CHECK-NEXT: movq %rdi, %r15
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: # implicit-def: $r12
; CHECK-NEXT: movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT: jmp .LBB0_3
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %bb17
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: movq %r15, %r13
; CHECK-NEXT: xorl %r15d, %r15d
; CHECK-NEXT: testq %rbx, %rbx
; CHECK-NEXT: sete %r15b
; CHECK-NEXT: xorl %edi, %edi
; CHECK-NEXT: callq _Znwm@PLT
; CHECK-NEXT: shll $4, %r15d
; CHECK-NEXT: addq {{[-0-9]+}}(%r{{[sb]}}p), %r15 # 8-byte Folded Reload
; CHECK-NEXT: movq %r12, %rcx
; CHECK-NEXT: shrq $32, %rcx
; CHECK-NEXT: movb %cl, 12(%rax)
; CHECK-NEXT: movl %r12d, 8(%rax)
; CHECK-NEXT: movq %r15, %rbx
; CHECK-NEXT: movq %r13, %r15
; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %r13 # 8-byte Reload
; CHECK-NEXT: decl %r14d
; CHECK-NEXT: je .LBB0_8
; CHECK-NEXT: .LBB0_3: # %bb7
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: callq widget@PLT
; CHECK-NEXT: cmpb $-5, (%r13)
; CHECK-NEXT: jae .LBB0_5
; CHECK-NEXT: # %bb.4: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: movl %r12d, %r12d
; CHECK-NEXT: cmpq %r15, %rbx
; CHECK-NEXT: jbe .LBB0_1
; CHECK-NEXT: jmp .LBB0_7
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_5: # %bb12
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: movq 0, %rax
; CHECK-NEXT: movq 8, %rax
; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %r12 # 8-byte Reload
; CHECK-NEXT: cmpq %r15, %rbx
; CHECK-NEXT: jbe .LBB0_1
; CHECK-NEXT: .LBB0_7: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: decl %r14d
; CHECK-NEXT: jne .LBB0_3
; CHECK-NEXT: .LBB0_8: # %bb21
; CHECK-NEXT: cmpb $0, 12(%rax)
; CHECK-NEXT: jne .LBB0_10
; CHECK-NEXT: # %bb.9: # %bb26
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r13
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .cfi_def_cfa %rsp, 8
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB0_10: # %bb25
; CHECK-NEXT: .cfi_def_cfa %rbp, 16
; CHECK-NEXT: movq %r15, %rdi
; CHECK-NEXT: callq pluto@PLT
bb:
br label %bb7
bb5: ; preds = %bb17, %bb14
%phi = phi ptr [ %call19, %bb17 ], [ null, %bb14 ]
%phi6 = phi ptr [ %getelementptr, %bb17 ], [ null, %bb14 ]
%add = add i32 %phi9, 1
%icmp = icmp eq i32 %phi9, %arg4
br i1 %icmp, label %bb21, label %bb7
bb7: ; preds = %bb5, %bb
%phi8 = phi ptr [ null, %bb ], [ %phi6, %bb5 ]
%phi9 = phi i32 [ 0, %bb ], [ %add, %bb5 ]
%phi10 = phi i40 [ poison, %bb ], [ %phi15, %bb5 ]
%call = call ptr @widget()
%load = load i8, ptr %arg1, align 8
%icmp11 = icmp ult i8 %load, -5
%and = and i40 %phi10, 4294967295
br i1 %icmp11, label %bb14, label %bb12
bb12: ; preds = %bb7
%load13 = load volatile { i64, i64 }, ptr null, align 4294967296
br label %bb14
bb14: ; preds = %bb12, %bb7
%phi15 = phi i40 [ %and, %bb7 ], [ %arg2, %bb12 ]
%icmp16 = icmp ugt ptr %phi8, %arg
br i1 %icmp16, label %bb5, label %bb17
bb17: ; preds = %bb14
%icmp18 = icmp eq ptr %phi8, null
%zext = zext i1 %icmp18 to i64
%call19 = call ptr @_Znwm(i64 0)
%getelementptr = getelementptr %struct.wibble, ptr %arg3, i64 %zext
%getelementptr20 = getelementptr i8, ptr %call19, i64 8
store i40 %phi15, ptr %getelementptr20, align 4
br label %bb5
bb21: ; preds = %bb5
%getelementptr22 = getelementptr %struct.snork.3, ptr %phi, i64 0, i32 1
%load23 = load i8, ptr %getelementptr22, align 4
%icmp24 = icmp eq i8 %load23, 0
br i1 %icmp24, label %bb26, label %bb25
bb25: ; preds = %bb21
call void @pluto(ptr %arg)
unreachable
bb26: ; preds = %bb21
ret void
}
define void @eggs(ptr %arg, ptr %arg1) {
; CHECK-LABEL: eggs:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: movq %rsi, %rdi
; CHECK-NEXT: movq %rax, %rsi
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: xorl %r8d, %r8d
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: popq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
bb:
call void @foo(ptr %arg1, ptr %arg, i40 0, ptr null, i32 0)
ret void
}
declare ptr @widget()
declare void @pluto(ptr)
declare ptr @_Znwm(i64)
attributes #0 = { noinline "frame-pointer"="all" }
|
