1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -verify-machineinstrs -mtriple=aarch64-unknown-linux < %s | FileCheck %s
3 ; RUN: llc -verify-machineinstrs -mtriple=arm64-apple-ios < %s | FileCheck %s --check-prefix=CHECK-APPLE
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: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
13 ; CHECK-NEXT: .cfi_def_cfa_offset 16
14 ; CHECK-NEXT: .cfi_offset w19, -8
15 ; CHECK-NEXT: .cfi_offset w30, -16
16 ; CHECK-NEXT: adrp x8, a
17 ; CHECK-NEXT: ldrsw x8, [x8, :lo12:a]
18 ; CHECK-NEXT: cmp x8, x0
19 ; CHECK-NEXT: b.eq .LBB0_2
20 ; CHECK-NEXT: // %bb.1: // %if.end
21 ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
23 ; CHECK-NEXT: .LBB0_2: // %if.then
24 ; CHECK-NEXT: mov x19, x0
25 ; CHECK-NEXT: bl callVoid
26 ; CHECK-NEXT: mov x0, x19
27 ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
28 ; CHECK-NEXT: b callNonVoid
30 ; CHECK-APPLE-LABEL: test1:
31 ; CHECK-APPLE: ; %bb.0: ; %entry
32 ; CHECK-APPLE-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill
33 ; CHECK-APPLE-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill
34 ; CHECK-APPLE-NEXT: .cfi_def_cfa_offset 32
35 ; CHECK-APPLE-NEXT: .cfi_offset w30, -8
36 ; CHECK-APPLE-NEXT: .cfi_offset w29, -16
37 ; CHECK-APPLE-NEXT: .cfi_offset w19, -24
38 ; CHECK-APPLE-NEXT: .cfi_offset w20, -32
39 ; CHECK-APPLE-NEXT: Lloh0:
40 ; CHECK-APPLE-NEXT: adrp x8, _a@PAGE
41 ; CHECK-APPLE-NEXT: Lloh1:
42 ; CHECK-APPLE-NEXT: ldrsw x8, [x8, _a@PAGEOFF]
43 ; CHECK-APPLE-NEXT: cmp x8, x0
44 ; CHECK-APPLE-NEXT: b.eq LBB0_2
45 ; CHECK-APPLE-NEXT: ; %bb.1: ; %if.end
46 ; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
47 ; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
48 ; CHECK-APPLE-NEXT: ret
49 ; CHECK-APPLE-NEXT: LBB0_2: ; %if.then
50 ; CHECK-APPLE-NEXT: mov x19, x0
51 ; CHECK-APPLE-NEXT: bl _callVoid
52 ; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
53 ; CHECK-APPLE-NEXT: mov x0, x19
54 ; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
55 ; CHECK-APPLE-NEXT: b _callNonVoid
56 ; CHECK-APPLE-NEXT: .loh AdrpLdr Lloh0, Lloh1
58 %0 = load i32, i32* @a, align 4, !tbaa !2
59 %conv = sext i32 %0 to i64
60 %1 = inttoptr i64 %conv to i32*
61 %cmp = icmp eq i32* %1, %b
62 br i1 %cmp, label %if.then, label %if.end
64 if.then: ; preds = %entry
65 %call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
66 %call2 = tail call signext i32 @callNonVoid(i32* %b)
69 if.end: ; preds = %if.then, %entry
70 %retval.0 = phi i32 [ %call2, %if.then ], [ undef, %entry ]
74 declare signext i32 @callVoid(...) local_unnamed_addr
76 declare signext i32 @callNonVoid(i32*) local_unnamed_addr
78 define dso_local signext i32 @test2(i32* %p1) local_unnamed_addr {
80 ; CHECK: // %bb.0: // %entry
81 ; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
82 ; CHECK-NEXT: .cfi_def_cfa_offset 16
83 ; CHECK-NEXT: .cfi_offset w19, -8
84 ; CHECK-NEXT: .cfi_offset w30, -16
85 ; CHECK-NEXT: cbz x0, .LBB1_2
86 ; CHECK-NEXT: // %bb.1: // %if.end
87 ; CHECK-NEXT: adrp x8, a
88 ; CHECK-NEXT: ldrsw x8, [x8, :lo12:a]
89 ; CHECK-NEXT: mov x19, x0
90 ; CHECK-NEXT: cmp x8, x0
91 ; CHECK-NEXT: b.eq .LBB1_3
92 ; CHECK-NEXT: .LBB1_2: // %return
93 ; CHECK-NEXT: mov w0, wzr
94 ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
96 ; CHECK-NEXT: .LBB1_3: // %if.then2
97 ; CHECK-NEXT: bl callVoid
98 ; CHECK-NEXT: mov x0, x19
99 ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
100 ; CHECK-NEXT: b callNonVoid
102 ; CHECK-APPLE-LABEL: test2:
103 ; CHECK-APPLE: ; %bb.0: ; %entry
104 ; CHECK-APPLE-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill
105 ; CHECK-APPLE-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill
106 ; CHECK-APPLE-NEXT: .cfi_def_cfa_offset 32
107 ; CHECK-APPLE-NEXT: .cfi_offset w30, -8
108 ; CHECK-APPLE-NEXT: .cfi_offset w29, -16
109 ; CHECK-APPLE-NEXT: .cfi_offset w19, -24
110 ; CHECK-APPLE-NEXT: .cfi_offset w20, -32
111 ; CHECK-APPLE-NEXT: cbz x0, LBB1_2
112 ; CHECK-APPLE-NEXT: ; %bb.1: ; %if.end
113 ; CHECK-APPLE-NEXT: Lloh2:
114 ; CHECK-APPLE-NEXT: adrp x8, _a@PAGE
115 ; CHECK-APPLE-NEXT: Lloh3:
116 ; CHECK-APPLE-NEXT: ldrsw x8, [x8, _a@PAGEOFF]
117 ; CHECK-APPLE-NEXT: mov x19, x0
118 ; CHECK-APPLE-NEXT: cmp x8, x0
119 ; CHECK-APPLE-NEXT: b.eq LBB1_3
120 ; CHECK-APPLE-NEXT: LBB1_2: ; %return
121 ; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
122 ; CHECK-APPLE-NEXT: mov w0, wzr
123 ; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
124 ; CHECK-APPLE-NEXT: ret
125 ; CHECK-APPLE-NEXT: LBB1_3: ; %if.then2
126 ; CHECK-APPLE-NEXT: bl _callVoid
127 ; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
128 ; CHECK-APPLE-NEXT: mov x0, x19
129 ; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
130 ; CHECK-APPLE-NEXT: b _callNonVoid
131 ; CHECK-APPLE-NEXT: .loh AdrpLdr Lloh2, Lloh3
133 %tobool = icmp eq i32* %p1, null
134 br i1 %tobool, label %return, label %if.end
136 if.end: ; preds = %entry
137 %0 = load i32, i32* @a, align 4, !tbaa !2
138 %conv = sext i32 %0 to i64
139 %1 = inttoptr i64 %conv to i32*
140 %cmp = icmp eq i32* %1, %p1
141 br i1 %cmp, label %if.then2, label %return
143 if.then2: ; preds = %if.end
144 %call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
145 %call3 = tail call signext i32 @callNonVoid(i32* nonnull %p1)
148 return: ; preds = %if.end, %entry, %if.then2
149 %retval.0 = phi i32 [ %call3, %if.then2 ], [ 0, %entry ], [ 0, %if.end ]
154 define dso_local i8* @test3(i8** nocapture %p1, i8 zeroext %p2) local_unnamed_addr {
155 ; CHECK-LABEL: test3:
156 ; CHECK: // %bb.0: // %entry
157 ; CHECK-NEXT: str x30, [sp, #-32]! // 8-byte Folded Spill
158 ; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill
159 ; CHECK-NEXT: .cfi_def_cfa_offset 32
160 ; CHECK-NEXT: .cfi_offset w19, -8
161 ; CHECK-NEXT: .cfi_offset w20, -16
162 ; CHECK-NEXT: .cfi_offset w30, -32
163 ; CHECK-NEXT: ldr x19, [x0]
164 ; CHECK-NEXT: cbz x19, .LBB2_2
165 ; CHECK-NEXT: // %bb.1: // %land.rhs
166 ; CHECK-NEXT: mov x20, x0
167 ; CHECK-NEXT: mov x0, x19
169 ; CHECK-NEXT: str x0, [x20]
170 ; CHECK-NEXT: .LBB2_2: // %land.end
171 ; CHECK-NEXT: mov x0, x19
172 ; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload
173 ; CHECK-NEXT: ldr x30, [sp], #32 // 8-byte Folded Reload
176 ; CHECK-APPLE-LABEL: test3:
177 ; CHECK-APPLE: ; %bb.0: ; %entry
178 ; CHECK-APPLE-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill
179 ; CHECK-APPLE-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill
180 ; CHECK-APPLE-NEXT: .cfi_def_cfa_offset 32
181 ; CHECK-APPLE-NEXT: .cfi_offset w30, -8
182 ; CHECK-APPLE-NEXT: .cfi_offset w29, -16
183 ; CHECK-APPLE-NEXT: .cfi_offset w19, -24
184 ; CHECK-APPLE-NEXT: .cfi_offset w20, -32
185 ; CHECK-APPLE-NEXT: ldr x19, [x0]
186 ; CHECK-APPLE-NEXT: cbz x19, LBB2_2
187 ; CHECK-APPLE-NEXT: ; %bb.1: ; %land.rhs
188 ; CHECK-APPLE-NEXT: mov x20, x0
189 ; CHECK-APPLE-NEXT: mov x0, x19
190 ; CHECK-APPLE-NEXT: bl _bar
191 ; CHECK-APPLE-NEXT: str x0, [x20]
192 ; CHECK-APPLE-NEXT: LBB2_2: ; %land.end
193 ; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
194 ; CHECK-APPLE-NEXT: mov x0, x19
195 ; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
196 ; CHECK-APPLE-NEXT: ret
198 %0 = load i8*, i8** %p1, align 8, !tbaa !6
199 %tobool = icmp eq i8* %0, null
200 br i1 %tobool, label %land.end, label %land.rhs
202 land.rhs: ; preds = %entry
203 %call = tail call i8* @bar(i8* nonnull %0, i8 zeroext %p2)
204 store i8* %call, i8** %p1, align 8, !tbaa !6
207 land.end: ; preds = %entry, %land.rhs
211 declare i8* @bar(i8*, i8 zeroext) local_unnamed_addr
214 !llvm.module.flags = !{!0}
217 !0 = !{i32 1, !"wchar_size", i32 4}
218 !1 = !{!"clang version 10.0.0 (trunk 367381) (llvm/trunk 367388)"}
219 !2 = !{!3, !3, i64 0}
220 !3 = !{!"int", !4, i64 0}
221 !4 = !{!"omnipotent char", !5, i64 0}
222 !5 = !{!"Simple C/C++ TBAA"}
223 !6 = !{!7, !7, i64 0}
224 !7 = !{!"any pointer", !4, i64 0}