1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown-linux < %s | FileCheck %s
3 ; RUN: llc -verify-machineinstrs -mtriple=i386-unknown-linux < %s | FileCheck %s --check-prefix=CHECK-32BIT
5 ; Check CSR split can work properly for tests below.
7 @a = common dso_local local_unnamed_addr global i32 0, align 4
9 define dso_local signext i32 @test1(i32* %b) local_unnamed_addr {
11 ; CHECK: # %bb.0: # %entry
12 ; CHECK-NEXT: pushq %rbx
13 ; CHECK-NEXT: .cfi_def_cfa_offset 16
14 ; CHECK-NEXT: .cfi_offset %rbx, -16
15 ; CHECK-NEXT: movslq {{.*}}(%rip), %rax
16 ; CHECK-NEXT: cmpq %rdi, %rax
17 ; CHECK-NEXT: je .LBB0_2
18 ; CHECK-NEXT: # %bb.1: # %if.end
19 ; CHECK-NEXT: popq %rbx
20 ; CHECK-NEXT: .cfi_def_cfa_offset 8
22 ; CHECK-NEXT: .LBB0_2: # %if.then
23 ; CHECK-NEXT: .cfi_def_cfa_offset 16
24 ; CHECK-NEXT: movq %rdi, %rbx
25 ; CHECK-NEXT: callq callVoid
26 ; CHECK-NEXT: movq %rbx, %rdi
27 ; CHECK-NEXT: popq %rbx
28 ; CHECK-NEXT: .cfi_def_cfa_offset 8
29 ; CHECK-NEXT: jmp callNonVoid # TAILCALL
31 ; CHECK-32BIT-LABEL: test1:
32 ; CHECK-32BIT: # %bb.0: # %entry
33 ; CHECK-32BIT-NEXT: subl $12, %esp
34 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 16
35 ; CHECK-32BIT-NEXT: movl {{[0-9]+}}(%esp), %eax
36 ; CHECK-32BIT-NEXT: cmpl %eax, a
37 ; CHECK-32BIT-NEXT: je .LBB0_2
38 ; CHECK-32BIT-NEXT: # %bb.1: # %if.end
39 ; CHECK-32BIT-NEXT: addl $12, %esp
40 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 4
41 ; CHECK-32BIT-NEXT: retl
42 ; CHECK-32BIT-NEXT: .LBB0_2: # %if.then
43 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 16
44 ; CHECK-32BIT-NEXT: calll callVoid
45 ; CHECK-32BIT-NEXT: addl $12, %esp
46 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 4
47 ; CHECK-32BIT-NEXT: jmp callNonVoid # TAILCALL
49 %0 = load i32, i32* @a, align 4, !tbaa !2
50 %conv = sext i32 %0 to i64
51 %1 = inttoptr i64 %conv to i32*
52 %cmp = icmp eq i32* %1, %b
53 br i1 %cmp, label %if.then, label %if.end
55 if.then: ; preds = %entry
56 %call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
57 %call2 = tail call signext i32 @callNonVoid(i32* %b)
60 if.end: ; preds = %if.then, %entry
61 %retval.0 = phi i32 [ %call2, %if.then ], [ undef, %entry ]
65 declare signext i32 @callVoid(...) local_unnamed_addr
67 declare signext i32 @callNonVoid(i32*) local_unnamed_addr
69 define dso_local signext i32 @test2(i32* %p1) local_unnamed_addr {
71 ; CHECK: # %bb.0: # %entry
72 ; CHECK-NEXT: pushq %rbx
73 ; CHECK-NEXT: .cfi_def_cfa_offset 16
74 ; CHECK-NEXT: .cfi_offset %rbx, -16
75 ; CHECK-NEXT: testq %rdi, %rdi
76 ; CHECK-NEXT: je .LBB1_2
77 ; CHECK-NEXT: # %bb.1: # %if.end
78 ; CHECK-NEXT: movq %rdi, %rbx
79 ; CHECK-NEXT: movslq {{.*}}(%rip), %rax
80 ; CHECK-NEXT: cmpq %rdi, %rax
81 ; CHECK-NEXT: je .LBB1_3
82 ; CHECK-NEXT: .LBB1_2: # %return
83 ; CHECK-NEXT: xorl %eax, %eax
84 ; CHECK-NEXT: popq %rbx
85 ; CHECK-NEXT: .cfi_def_cfa_offset 8
87 ; CHECK-NEXT: .LBB1_3: # %if.then2
88 ; CHECK-NEXT: .cfi_def_cfa_offset 16
89 ; CHECK-NEXT: callq callVoid
90 ; CHECK-NEXT: movq %rbx, %rdi
91 ; CHECK-NEXT: popq %rbx
92 ; CHECK-NEXT: .cfi_def_cfa_offset 8
93 ; CHECK-NEXT: jmp callNonVoid # TAILCALL
95 ; CHECK-32BIT-LABEL: test2:
96 ; CHECK-32BIT: # %bb.0: # %entry
97 ; CHECK-32BIT-NEXT: subl $12, %esp
98 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 16
99 ; CHECK-32BIT-NEXT: movl {{[0-9]+}}(%esp), %eax
100 ; CHECK-32BIT-NEXT: testl %eax, %eax
101 ; CHECK-32BIT-NEXT: je .LBB1_2
102 ; CHECK-32BIT-NEXT: # %bb.1: # %if.end
103 ; CHECK-32BIT-NEXT: cmpl %eax, a
104 ; CHECK-32BIT-NEXT: je .LBB1_3
105 ; CHECK-32BIT-NEXT: .LBB1_2: # %return
106 ; CHECK-32BIT-NEXT: xorl %eax, %eax
107 ; CHECK-32BIT-NEXT: addl $12, %esp
108 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 4
109 ; CHECK-32BIT-NEXT: retl
110 ; CHECK-32BIT-NEXT: .LBB1_3: # %if.then2
111 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 16
112 ; CHECK-32BIT-NEXT: calll callVoid
113 ; CHECK-32BIT-NEXT: addl $12, %esp
114 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 4
115 ; CHECK-32BIT-NEXT: jmp callNonVoid # TAILCALL
117 %tobool = icmp eq i32* %p1, null
118 br i1 %tobool, label %return, label %if.end
120 if.end: ; preds = %entry
121 %0 = load i32, i32* @a, align 4, !tbaa !2
122 %conv = sext i32 %0 to i64
123 %1 = inttoptr i64 %conv to i32*
124 %cmp = icmp eq i32* %1, %p1
125 br i1 %cmp, label %if.then2, label %return
127 if.then2: ; preds = %if.end
128 %call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
129 %call3 = tail call signext i32 @callNonVoid(i32* nonnull %p1)
132 return: ; preds = %if.end, %entry, %if.then2
133 %retval.0 = phi i32 [ %call3, %if.then2 ], [ 0, %entry ], [ 0, %if.end ]
138 define dso_local i8* @test3(i8** nocapture %p1, i8 zeroext %p2) local_unnamed_addr {
139 ; CHECK-LABEL: test3:
140 ; CHECK: # %bb.0: # %entry
141 ; CHECK-NEXT: pushq %r14
142 ; CHECK-NEXT: .cfi_def_cfa_offset 16
143 ; CHECK-NEXT: pushq %rbx
144 ; CHECK-NEXT: .cfi_def_cfa_offset 24
145 ; CHECK-NEXT: pushq %rax
146 ; CHECK-NEXT: .cfi_def_cfa_offset 32
147 ; CHECK-NEXT: .cfi_offset %rbx, -24
148 ; CHECK-NEXT: .cfi_offset %r14, -16
149 ; CHECK-NEXT: movq (%rdi), %rbx
150 ; CHECK-NEXT: testq %rbx, %rbx
151 ; CHECK-NEXT: je .LBB2_2
152 ; CHECK-NEXT: # %bb.1: # %land.rhs
153 ; CHECK-NEXT: movq %rdi, %r14
154 ; CHECK-NEXT: movzbl %sil, %esi
155 ; CHECK-NEXT: movq %rbx, %rdi
156 ; CHECK-NEXT: callq bar
157 ; CHECK-NEXT: movq %rax, (%r14)
158 ; CHECK-NEXT: .LBB2_2: # %land.end
159 ; CHECK-NEXT: movq %rbx, %rax
160 ; CHECK-NEXT: addq $8, %rsp
161 ; CHECK-NEXT: .cfi_def_cfa_offset 24
162 ; CHECK-NEXT: popq %rbx
163 ; CHECK-NEXT: .cfi_def_cfa_offset 16
164 ; CHECK-NEXT: popq %r14
165 ; CHECK-NEXT: .cfi_def_cfa_offset 8
168 ; CHECK-32BIT-LABEL: test3:
169 ; CHECK-32BIT: # %bb.0: # %entry
170 ; CHECK-32BIT-NEXT: pushl %edi
171 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 8
172 ; CHECK-32BIT-NEXT: pushl %esi
173 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 12
174 ; CHECK-32BIT-NEXT: pushl %eax
175 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 16
176 ; CHECK-32BIT-NEXT: .cfi_offset %esi, -12
177 ; CHECK-32BIT-NEXT: .cfi_offset %edi, -8
178 ; CHECK-32BIT-NEXT: movl {{[0-9]+}}(%esp), %edi
179 ; CHECK-32BIT-NEXT: movl (%edi), %esi
180 ; CHECK-32BIT-NEXT: testl %esi, %esi
181 ; CHECK-32BIT-NEXT: je .LBB2_2
182 ; CHECK-32BIT-NEXT: # %bb.1: # %land.rhs
183 ; CHECK-32BIT-NEXT: subl $8, %esp
184 ; CHECK-32BIT-NEXT: .cfi_adjust_cfa_offset 8
185 ; CHECK-32BIT-NEXT: movzbl {{[0-9]+}}(%esp), %eax
186 ; CHECK-32BIT-NEXT: pushl %eax
187 ; CHECK-32BIT-NEXT: .cfi_adjust_cfa_offset 4
188 ; CHECK-32BIT-NEXT: pushl %esi
189 ; CHECK-32BIT-NEXT: .cfi_adjust_cfa_offset 4
190 ; CHECK-32BIT-NEXT: calll bar
191 ; CHECK-32BIT-NEXT: addl $16, %esp
192 ; CHECK-32BIT-NEXT: .cfi_adjust_cfa_offset -16
193 ; CHECK-32BIT-NEXT: movl %eax, (%edi)
194 ; CHECK-32BIT-NEXT: .LBB2_2: # %land.end
195 ; CHECK-32BIT-NEXT: movl %esi, %eax
196 ; CHECK-32BIT-NEXT: addl $4, %esp
197 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 12
198 ; CHECK-32BIT-NEXT: popl %esi
199 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 8
200 ; CHECK-32BIT-NEXT: popl %edi
201 ; CHECK-32BIT-NEXT: .cfi_def_cfa_offset 4
202 ; CHECK-32BIT-NEXT: retl
204 %0 = load i8*, i8** %p1, align 8, !tbaa !6
205 %tobool = icmp eq i8* %0, null
206 br i1 %tobool, label %land.end, label %land.rhs
208 land.rhs: ; preds = %entry
209 %call = tail call i8* @bar(i8* nonnull %0, i8 zeroext %p2)
210 store i8* %call, i8** %p1, align 8, !tbaa !6
213 land.end: ; preds = %entry, %land.rhs
217 declare i8* @bar(i8*, i8 zeroext) local_unnamed_addr
220 !llvm.module.flags = !{!0}
223 !0 = !{i32 1, !"wchar_size", i32 4}
224 !1 = !{!"clang version 10.0.0 (trunk 367381) (llvm/trunk 367388)"}
225 !2 = !{!3, !3, i64 0}
226 !3 = !{!"int", !4, i64 0}
227 !4 = !{!"omnipotent char", !5, i64 0}
228 !5 = !{!"Simple C/C++ TBAA"}
229 !6 = !{!7, !7, i64 0}
230 !7 = !{!"any pointer", !4, i64 0}