1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK32
3 ; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK64
4 ; RUN: llc < %s -mtriple=x86_64-win32 -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=WIN64
9 define void @f(i32 %x, i32 %y) optsize {
11 ; CHECK32: # %bb.0: # %entry
12 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04]
13 ; CHECK32-NEXT: cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x08]
14 ; CHECK32-NEXT: jne bar # TAILCALL
15 ; CHECK32-NEXT: # encoding: [0x75,A]
16 ; CHECK32-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
17 ; CHECK32-NEXT: # %bb.1: # %bb1
18 ; CHECK32-NEXT: jmp foo # TAILCALL
19 ; CHECK32-NEXT: # encoding: [0xeb,A]
20 ; CHECK32-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
23 ; CHECK64: # %bb.0: # %entry
24 ; CHECK64-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7]
25 ; CHECK64-NEXT: jne bar # TAILCALL
26 ; CHECK64-NEXT: # encoding: [0x75,A]
27 ; CHECK64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
28 ; CHECK64-NEXT: # %bb.1: # %bb1
29 ; CHECK64-NEXT: jmp foo # TAILCALL
30 ; CHECK64-NEXT: # encoding: [0xeb,A]
31 ; CHECK64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
34 ; WIN64: # %bb.0: # %entry
35 ; WIN64-NEXT: cmpl %edx, %ecx # encoding: [0x39,0xd1]
36 ; WIN64-NEXT: jne bar # TAILCALL
37 ; WIN64-NEXT: # encoding: [0x75,A]
38 ; WIN64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
39 ; WIN64-NEXT: # %bb.1: # %bb1
40 ; WIN64-NEXT: jmp foo # TAILCALL
41 ; WIN64-NEXT: # encoding: [0xeb,A]
42 ; WIN64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
44 %p = icmp eq i32 %x, %y
45 br i1 %p, label %bb1, label %bb2
53 ; Check that the asm doesn't just look good, but uses the correct encoding.
56 define void @f_non_leaf(i32 %x, i32 %y) optsize {
57 ; CHECK32-LABEL: f_non_leaf:
58 ; CHECK32: # %bb.0: # %entry
59 ; CHECK32-NEXT: pushl %ebx # encoding: [0x53]
60 ; CHECK32-NEXT: .cfi_def_cfa_offset 8
61 ; CHECK32-NEXT: .cfi_offset %ebx, -8
62 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x08]
64 ; CHECK32-NEXT: #NO_APP
65 ; CHECK32-NEXT: cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x0c]
66 ; CHECK32-NEXT: jne .LBB1_2 # encoding: [0x75,A]
67 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1
68 ; CHECK32-NEXT: # %bb.1: # %bb1
69 ; CHECK32-NEXT: popl %ebx # encoding: [0x5b]
70 ; CHECK32-NEXT: .cfi_def_cfa_offset 4
71 ; CHECK32-NEXT: jmp foo # TAILCALL
72 ; CHECK32-NEXT: # encoding: [0xeb,A]
73 ; CHECK32-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
74 ; CHECK32-NEXT: .LBB1_2: # %bb2
75 ; CHECK32-NEXT: .cfi_def_cfa_offset 8
76 ; CHECK32-NEXT: popl %ebx # encoding: [0x5b]
77 ; CHECK32-NEXT: .cfi_def_cfa_offset 4
78 ; CHECK32-NEXT: jmp bar # TAILCALL
79 ; CHECK32-NEXT: # encoding: [0xeb,A]
80 ; CHECK32-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
82 ; CHECK64-LABEL: f_non_leaf:
83 ; CHECK64: # %bb.0: # %entry
84 ; CHECK64-NEXT: pushq %rbx # encoding: [0x53]
85 ; CHECK64-NEXT: .cfi_def_cfa_offset 16
86 ; CHECK64-NEXT: .cfi_offset %rbx, -16
88 ; CHECK64-NEXT: #NO_APP
89 ; CHECK64-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7]
90 ; CHECK64-NEXT: jne .LBB1_2 # encoding: [0x75,A]
91 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1
92 ; CHECK64-NEXT: # %bb.1: # %bb1
93 ; CHECK64-NEXT: popq %rbx # encoding: [0x5b]
94 ; CHECK64-NEXT: .cfi_def_cfa_offset 8
95 ; CHECK64-NEXT: jmp foo # TAILCALL
96 ; CHECK64-NEXT: # encoding: [0xeb,A]
97 ; CHECK64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
98 ; CHECK64-NEXT: .LBB1_2: # %bb2
99 ; CHECK64-NEXT: .cfi_def_cfa_offset 16
100 ; CHECK64-NEXT: popq %rbx # encoding: [0x5b]
101 ; CHECK64-NEXT: .cfi_def_cfa_offset 8
102 ; CHECK64-NEXT: jmp bar # TAILCALL
103 ; CHECK64-NEXT: # encoding: [0xeb,A]
104 ; CHECK64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
106 ; WIN64-LABEL: f_non_leaf:
107 ; WIN64: # %bb.0: # %entry
108 ; WIN64-NEXT: pushq %rbx # encoding: [0x53]
109 ; WIN64-NEXT: .seh_pushreg %rbx
110 ; WIN64-NEXT: .seh_endprologue
112 ; WIN64-NEXT: #NO_APP
113 ; WIN64-NEXT: cmpl %edx, %ecx # encoding: [0x39,0xd1]
114 ; WIN64-NEXT: jne .LBB1_2 # encoding: [0x75,A]
115 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1
116 ; WIN64-NEXT: # %bb.1: # %bb1
117 ; WIN64-NEXT: popq %rbx # encoding: [0x5b]
118 ; WIN64-NEXT: jmp foo # TAILCALL
119 ; WIN64-NEXT: # encoding: [0xeb,A]
120 ; WIN64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
121 ; WIN64-NEXT: .LBB1_2: # %bb2
122 ; WIN64-NEXT: nop # encoding: [0x90]
123 ; WIN64-NEXT: popq %rbx # encoding: [0x5b]
124 ; WIN64-NEXT: jmp bar # TAILCALL
125 ; WIN64-NEXT: # encoding: [0xeb,A]
126 ; WIN64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
127 ; WIN64-NEXT: .seh_handlerdata
129 ; WIN64-NEXT: .seh_endproc
131 ; Force %ebx to be spilled on the stack, turning this into
132 ; not a "leaf" function for Win64.
133 tail call void asm sideeffect "", "~{ebx}"()
135 %p = icmp eq i32 %x, %y
136 br i1 %p, label %bb1, label %bb2
138 tail call void @foo()
141 tail call void @bar()
146 declare x86_thiscallcc zeroext i1 @baz(i8*, i32)
147 define x86_thiscallcc zeroext i1 @BlockPlacementTest(i8* %this, i32 %x) optsize {
148 ; CHECK32-LABEL: BlockPlacementTest:
149 ; CHECK32: # %bb.0: # %entry
150 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %edx # encoding: [0x8b,0x54,0x24,0x04]
151 ; CHECK32-NEXT: testb $42, %dl # encoding: [0xf6,0xc2,0x2a]
152 ; CHECK32-NEXT: je .LBB2_3 # encoding: [0x74,A]
153 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1
154 ; CHECK32-NEXT: # %bb.1: # %land.rhs
155 ; CHECK32-NEXT: movb $1, %al # encoding: [0xb0,0x01]
156 ; CHECK32-NEXT: testb $44, %dl # encoding: [0xf6,0xc2,0x2c]
157 ; CHECK32-NEXT: je baz # TAILCALL
158 ; CHECK32-NEXT: # encoding: [0x74,A]
159 ; CHECK32-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1
160 ; CHECK32-NEXT: .LBB2_2: # %land.end
161 ; CHECK32-NEXT: # kill: def $al killed $al killed $eax
162 ; CHECK32-NEXT: retl $4 # encoding: [0xc2,0x04,0x00]
163 ; CHECK32-NEXT: .LBB2_3:
164 ; CHECK32-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
165 ; CHECK32-NEXT: jmp .LBB2_2 # encoding: [0xeb,A]
166 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1
168 ; CHECK64-LABEL: BlockPlacementTest:
169 ; CHECK64: # %bb.0: # %entry
170 ; CHECK64-NEXT: testb $42, %sil # encoding: [0x40,0xf6,0xc6,0x2a]
171 ; CHECK64-NEXT: je .LBB2_3 # encoding: [0x74,A]
172 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1
173 ; CHECK64-NEXT: # %bb.1: # %land.rhs
174 ; CHECK64-NEXT: movb $1, %al # encoding: [0xb0,0x01]
175 ; CHECK64-NEXT: testb $44, %sil # encoding: [0x40,0xf6,0xc6,0x2c]
176 ; CHECK64-NEXT: je baz # TAILCALL
177 ; CHECK64-NEXT: # encoding: [0x74,A]
178 ; CHECK64-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1
179 ; CHECK64-NEXT: .LBB2_2: # %land.end
180 ; CHECK64-NEXT: # kill: def $al killed $al killed $eax
181 ; CHECK64-NEXT: retq # encoding: [0xc3]
182 ; CHECK64-NEXT: .LBB2_3:
183 ; CHECK64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
184 ; CHECK64-NEXT: jmp .LBB2_2 # encoding: [0xeb,A]
185 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1
187 ; WIN64-LABEL: BlockPlacementTest:
188 ; WIN64: # %bb.0: # %entry
189 ; WIN64-NEXT: testb $42, %dl # encoding: [0xf6,0xc2,0x2a]
190 ; WIN64-NEXT: je .LBB2_3 # encoding: [0x74,A]
191 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1
192 ; WIN64-NEXT: # %bb.1: # %land.rhs
193 ; WIN64-NEXT: movb $1, %al # encoding: [0xb0,0x01]
194 ; WIN64-NEXT: testb $44, %dl # encoding: [0xf6,0xc2,0x2c]
195 ; WIN64-NEXT: je baz # TAILCALL
196 ; WIN64-NEXT: # encoding: [0x74,A]
197 ; WIN64-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1
198 ; WIN64-NEXT: .LBB2_2: # %land.end
199 ; WIN64-NEXT: # kill: def $al killed $al killed $eax
200 ; WIN64-NEXT: retq # encoding: [0xc3]
201 ; WIN64-NEXT: .LBB2_3:
202 ; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
203 ; WIN64-NEXT: jmp .LBB2_2 # encoding: [0xeb,A]
204 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1
206 %and = and i32 %x, 42
207 %tobool = icmp eq i32 %and, 0
208 br i1 %tobool, label %land.end, label %land.rhs
211 %and6 = and i32 %x, 44
212 %tobool7 = icmp eq i32 %and6, 0
213 br i1 %tobool7, label %lor.rhs, label %land.end
216 %call = tail call x86_thiscallcc zeroext i1 @baz(i8* %this, i32 %x) #2
220 %0 = phi i1 [ false, %entry ], [ true, %land.rhs ], [ %call, %lor.rhs ]
223 ; Make sure machine block placement isn't confused by the conditional tail call,
224 ; but sees that it can fall through to the next block.
229 %"class.std::basic_string" = type { %"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" }
230 %"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" = type { i8* }
231 declare zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(i8*, i8*)
233 define zeroext i1 @pr31257(%"class.std::basic_string"* nocapture readonly dereferenceable(8) %s) minsize {
234 ; CHECK32-LABEL: pr31257:
235 ; CHECK32: # %bb.0: # %entry
236 ; CHECK32-NEXT: pushl %ebp # encoding: [0x55]
237 ; CHECK32-NEXT: .cfi_def_cfa_offset 8
238 ; CHECK32-NEXT: pushl %ebx # encoding: [0x53]
239 ; CHECK32-NEXT: .cfi_def_cfa_offset 12
240 ; CHECK32-NEXT: pushl %edi # encoding: [0x57]
241 ; CHECK32-NEXT: .cfi_def_cfa_offset 16
242 ; CHECK32-NEXT: pushl %esi # encoding: [0x56]
243 ; CHECK32-NEXT: .cfi_def_cfa_offset 20
244 ; CHECK32-NEXT: subl $12, %esp # encoding: [0x83,0xec,0x0c]
245 ; CHECK32-NEXT: .cfi_def_cfa_offset 32
246 ; CHECK32-NEXT: .cfi_offset %esi, -20
247 ; CHECK32-NEXT: .cfi_offset %edi, -16
248 ; CHECK32-NEXT: .cfi_offset %ebx, -12
249 ; CHECK32-NEXT: .cfi_offset %ebp, -8
250 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x20]
251 ; CHECK32-NEXT: movl (%eax), %eax # encoding: [0x8b,0x00]
252 ; CHECK32-NEXT: movl -24(%eax), %edx # encoding: [0x8b,0x50,0xe8]
253 ; CHECK32-NEXT: leal (%eax,%edx), %ebp # encoding: [0x8d,0x2c,0x10]
254 ; CHECK32-NEXT: xorl %ebx, %ebx # encoding: [0x31,0xdb]
255 ; CHECK32-NEXT: pushl $2 # encoding: [0x6a,0x02]
256 ; CHECK32-NEXT: .cfi_adjust_cfa_offset 4
257 ; CHECK32-NEXT: popl %esi # encoding: [0x5e]
258 ; CHECK32-NEXT: .cfi_adjust_cfa_offset -4
259 ; CHECK32-NEXT: xorl %edi, %edi # encoding: [0x31,0xff]
260 ; CHECK32-NEXT: incl %edi # encoding: [0x47]
261 ; CHECK32-NEXT: .LBB3_1: # %for.cond
262 ; CHECK32-NEXT: # =>This Inner Loop Header: Depth=1
263 ; CHECK32-NEXT: testl %edx, %edx # encoding: [0x85,0xd2]
264 ; CHECK32-NEXT: je .LBB3_13 # encoding: [0x74,A]
265 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_13-1, kind: FK_PCRel_1
266 ; CHECK32-NEXT: # %bb.2: # %for.body
267 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
268 ; CHECK32-NEXT: cmpl $2, %ebx # encoding: [0x83,0xfb,0x02]
269 ; CHECK32-NEXT: je .LBB3_11 # encoding: [0x74,A]
270 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
271 ; CHECK32-NEXT: # %bb.3: # %for.body
272 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
273 ; CHECK32-NEXT: cmpl $1, %ebx # encoding: [0x83,0xfb,0x01]
274 ; CHECK32-NEXT: je .LBB3_9 # encoding: [0x74,A]
275 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1
276 ; CHECK32-NEXT: # %bb.4: # %for.body
277 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
278 ; CHECK32-NEXT: testl %ebx, %ebx # encoding: [0x85,0xdb]
279 ; CHECK32-NEXT: jne .LBB3_10 # encoding: [0x75,A]
280 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
281 ; CHECK32-NEXT: # %bb.5: # %sw.bb
282 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
283 ; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08]
284 ; CHECK32-NEXT: cmpl $43, %ecx # encoding: [0x83,0xf9,0x2b]
285 ; CHECK32-NEXT: movl %edi, %ebx # encoding: [0x89,0xfb]
286 ; CHECK32-NEXT: je .LBB3_10 # encoding: [0x74,A]
287 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
288 ; CHECK32-NEXT: # %bb.6: # %sw.bb
289 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
290 ; CHECK32-NEXT: cmpb $45, %cl # encoding: [0x80,0xf9,0x2d]
291 ; CHECK32-NEXT: movl %edi, %ebx # encoding: [0x89,0xfb]
292 ; CHECK32-NEXT: je .LBB3_10 # encoding: [0x74,A]
293 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
294 ; CHECK32-NEXT: jmp .LBB3_7 # encoding: [0xeb,A]
295 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_7-1, kind: FK_PCRel_1
296 ; CHECK32-NEXT: .LBB3_11: # %sw.bb22
297 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
298 ; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08]
299 ; CHECK32-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
300 ; CHECK32-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
301 ; CHECK32-NEXT: movl %esi, %ebx # encoding: [0x89,0xf3]
302 ; CHECK32-NEXT: jb .LBB3_10 # encoding: [0x72,A]
303 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
304 ; CHECK32-NEXT: jmp .LBB3_12 # encoding: [0xeb,A]
305 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_12-1, kind: FK_PCRel_1
306 ; CHECK32-NEXT: .LBB3_9: # %sw.bb14
307 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
308 ; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08]
309 ; CHECK32-NEXT: .LBB3_7: # %if.else
310 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
311 ; CHECK32-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
312 ; CHECK32-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
313 ; CHECK32-NEXT: movl %esi, %ebx # encoding: [0x89,0xf3]
314 ; CHECK32-NEXT: jae .LBB3_8 # encoding: [0x73,A]
315 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_8-1, kind: FK_PCRel_1
316 ; CHECK32-NEXT: .LBB3_10: # %for.inc
317 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
318 ; CHECK32-NEXT: incl %eax # encoding: [0x40]
319 ; CHECK32-NEXT: decl %edx # encoding: [0x4a]
320 ; CHECK32-NEXT: jmp .LBB3_1 # encoding: [0xeb,A]
321 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_1-1, kind: FK_PCRel_1
322 ; CHECK32-NEXT: .LBB3_13:
323 ; CHECK32-NEXT: cmpl $2, %ebx # encoding: [0x83,0xfb,0x02]
324 ; CHECK32-NEXT: sete %al # encoding: [0x0f,0x94,0xc0]
325 ; CHECK32-NEXT: jmp .LBB3_14 # encoding: [0xeb,A]
326 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_14-1, kind: FK_PCRel_1
327 ; CHECK32-NEXT: .LBB3_8:
328 ; CHECK32-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
329 ; CHECK32-NEXT: .LBB3_14: # %cleanup.thread
330 ; CHECK32-NEXT: # kill: def $al killed $al killed $eax
331 ; CHECK32-NEXT: addl $12, %esp # encoding: [0x83,0xc4,0x0c]
332 ; CHECK32-NEXT: .cfi_def_cfa_offset 20
333 ; CHECK32-NEXT: .LBB3_15: # %cleanup.thread
334 ; CHECK32-NEXT: popl %esi # encoding: [0x5e]
335 ; CHECK32-NEXT: .cfi_def_cfa_offset 16
336 ; CHECK32-NEXT: popl %edi # encoding: [0x5f]
337 ; CHECK32-NEXT: .cfi_def_cfa_offset 12
338 ; CHECK32-NEXT: popl %ebx # encoding: [0x5b]
339 ; CHECK32-NEXT: .cfi_def_cfa_offset 8
340 ; CHECK32-NEXT: popl %ebp # encoding: [0x5d]
341 ; CHECK32-NEXT: .cfi_def_cfa_offset 4
342 ; CHECK32-NEXT: retl # encoding: [0xc3]
343 ; CHECK32-NEXT: .LBB3_12: # %if.else28
344 ; CHECK32-NEXT: .cfi_def_cfa_offset 32
345 ; CHECK32-NEXT: subl $8, %esp # encoding: [0x83,0xec,0x08]
346 ; CHECK32-NEXT: .cfi_adjust_cfa_offset 8
347 ; CHECK32-NEXT: pushl %ebp # encoding: [0x55]
348 ; CHECK32-NEXT: .cfi_adjust_cfa_offset 4
349 ; CHECK32-NEXT: pushl %eax # encoding: [0x50]
350 ; CHECK32-NEXT: .cfi_adjust_cfa_offset 4
351 ; CHECK32-NEXT: calll _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # encoding: [0xe8,A,A,A,A]
352 ; CHECK32-NEXT: # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_-4, kind: FK_PCRel_4
353 ; CHECK32-NEXT: addl $28, %esp # encoding: [0x83,0xc4,0x1c]
354 ; CHECK32-NEXT: .cfi_adjust_cfa_offset -28
355 ; CHECK32-NEXT: jmp .LBB3_15 # encoding: [0xeb,A]
356 ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_15-1, kind: FK_PCRel_1
358 ; CHECK64-LABEL: pr31257:
359 ; CHECK64: # %bb.0: # %entry
360 ; CHECK64-NEXT: movq (%rdi), %rdi # encoding: [0x48,0x8b,0x3f]
361 ; CHECK64-NEXT: movq -24(%rdi), %rax # encoding: [0x48,0x8b,0x47,0xe8]
362 ; CHECK64-NEXT: leaq (%rdi,%rax), %rsi # encoding: [0x48,0x8d,0x34,0x07]
363 ; CHECK64-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
364 ; CHECK64-NEXT: pushq $2 # encoding: [0x6a,0x02]
365 ; CHECK64-NEXT: .cfi_adjust_cfa_offset 8
366 ; CHECK64-NEXT: popq %r9 # encoding: [0x41,0x59]
367 ; CHECK64-NEXT: .cfi_adjust_cfa_offset -8
368 ; CHECK64-NEXT: pushq $1 # encoding: [0x6a,0x01]
369 ; CHECK64-NEXT: .cfi_adjust_cfa_offset 8
370 ; CHECK64-NEXT: popq %r8 # encoding: [0x41,0x58]
371 ; CHECK64-NEXT: .cfi_adjust_cfa_offset -8
372 ; CHECK64-NEXT: .LBB3_1: # %for.cond
373 ; CHECK64-NEXT: # =>This Inner Loop Header: Depth=1
374 ; CHECK64-NEXT: testq %rax, %rax # encoding: [0x48,0x85,0xc0]
375 ; CHECK64-NEXT: je .LBB3_12 # encoding: [0x74,A]
376 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_12-1, kind: FK_PCRel_1
377 ; CHECK64-NEXT: # %bb.2: # %for.body
378 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
379 ; CHECK64-NEXT: cmpl $2, %ecx # encoding: [0x83,0xf9,0x02]
380 ; CHECK64-NEXT: je .LBB3_10 # encoding: [0x74,A]
381 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
382 ; CHECK64-NEXT: # %bb.3: # %for.body
383 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
384 ; CHECK64-NEXT: cmpl $1, %ecx # encoding: [0x83,0xf9,0x01]
385 ; CHECK64-NEXT: je .LBB3_8 # encoding: [0x74,A]
386 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_8-1, kind: FK_PCRel_1
387 ; CHECK64-NEXT: # %bb.4: # %for.body
388 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
389 ; CHECK64-NEXT: testl %ecx, %ecx # encoding: [0x85,0xc9]
390 ; CHECK64-NEXT: jne .LBB3_11 # encoding: [0x75,A]
391 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
392 ; CHECK64-NEXT: # %bb.5: # %sw.bb
393 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
394 ; CHECK64-NEXT: movzbl (%rdi), %edx # encoding: [0x0f,0xb6,0x17]
395 ; CHECK64-NEXT: cmpl $43, %edx # encoding: [0x83,0xfa,0x2b]
396 ; CHECK64-NEXT: movl %r8d, %ecx # encoding: [0x44,0x89,0xc1]
397 ; CHECK64-NEXT: je .LBB3_11 # encoding: [0x74,A]
398 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
399 ; CHECK64-NEXT: # %bb.6: # %sw.bb
400 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
401 ; CHECK64-NEXT: cmpb $45, %dl # encoding: [0x80,0xfa,0x2d]
402 ; CHECK64-NEXT: movl %r8d, %ecx # encoding: [0x44,0x89,0xc1]
403 ; CHECK64-NEXT: je .LBB3_11 # encoding: [0x74,A]
404 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
405 ; CHECK64-NEXT: # %bb.7: # %if.else
406 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
407 ; CHECK64-NEXT: addl $-48, %edx # encoding: [0x83,0xc2,0xd0]
408 ; CHECK64-NEXT: cmpl $10, %edx # encoding: [0x83,0xfa,0x0a]
409 ; CHECK64-NEXT: jmp .LBB3_9 # encoding: [0xeb,A]
410 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1
411 ; CHECK64-NEXT: .LBB3_8: # %sw.bb14
412 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
413 ; CHECK64-NEXT: movzbl (%rdi), %ecx # encoding: [0x0f,0xb6,0x0f]
414 ; CHECK64-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
415 ; CHECK64-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
416 ; CHECK64-NEXT: .LBB3_9: # %if.else
417 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
418 ; CHECK64-NEXT: movl %r9d, %ecx # encoding: [0x44,0x89,0xc9]
419 ; CHECK64-NEXT: jb .LBB3_11 # encoding: [0x72,A]
420 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
421 ; CHECK64-NEXT: jmp .LBB3_13 # encoding: [0xeb,A]
422 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_13-1, kind: FK_PCRel_1
423 ; CHECK64-NEXT: .LBB3_10: # %sw.bb22
424 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
425 ; CHECK64-NEXT: movzbl (%rdi), %ecx # encoding: [0x0f,0xb6,0x0f]
426 ; CHECK64-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
427 ; CHECK64-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
428 ; CHECK64-NEXT: movl %r9d, %ecx # encoding: [0x44,0x89,0xc9]
429 ; CHECK64-NEXT: jae _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # TAILCALL
430 ; CHECK64-NEXT: # encoding: [0x73,A]
431 ; CHECK64-NEXT: # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_-1, kind: FK_PCRel_1
432 ; CHECK64-NEXT: .LBB3_11: # %for.inc
433 ; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
434 ; CHECK64-NEXT: incq %rdi # encoding: [0x48,0xff,0xc7]
435 ; CHECK64-NEXT: decq %rax # encoding: [0x48,0xff,0xc8]
436 ; CHECK64-NEXT: jmp .LBB3_1 # encoding: [0xeb,A]
437 ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_1-1, kind: FK_PCRel_1
438 ; CHECK64-NEXT: .LBB3_12:
439 ; CHECK64-NEXT: cmpl $2, %ecx # encoding: [0x83,0xf9,0x02]
440 ; CHECK64-NEXT: sete %al # encoding: [0x0f,0x94,0xc0]
441 ; CHECK64-NEXT: # kill: def $al killed $al killed $eax
442 ; CHECK64-NEXT: retq # encoding: [0xc3]
443 ; CHECK64-NEXT: .LBB3_13:
444 ; CHECK64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
445 ; CHECK64-NEXT: # kill: def $al killed $al killed $eax
446 ; CHECK64-NEXT: retq # encoding: [0xc3]
448 ; WIN64-LABEL: pr31257:
449 ; WIN64: # %bb.0: # %entry
450 ; WIN64-NEXT: movq (%rcx), %rcx # encoding: [0x48,0x8b,0x09]
451 ; WIN64-NEXT: movq -24(%rcx), %r8 # encoding: [0x4c,0x8b,0x41,0xe8]
452 ; WIN64-NEXT: leaq (%rcx,%r8), %rdx # encoding: [0x4a,0x8d,0x14,0x01]
453 ; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
454 ; WIN64-NEXT: .LBB3_1: # %for.cond
455 ; WIN64-NEXT: # =>This Inner Loop Header: Depth=1
456 ; WIN64-NEXT: testq %r8, %r8 # encoding: [0x4d,0x85,0xc0]
457 ; WIN64-NEXT: je .LBB3_11 # encoding: [0x74,A]
458 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
459 ; WIN64-NEXT: # %bb.2: # %for.body
460 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
461 ; WIN64-NEXT: cmpl $2, %eax # encoding: [0x83,0xf8,0x02]
462 ; WIN64-NEXT: je .LBB3_9 # encoding: [0x74,A]
463 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1
464 ; WIN64-NEXT: # %bb.3: # %for.body
465 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
466 ; WIN64-NEXT: cmpl $1, %eax # encoding: [0x83,0xf8,0x01]
467 ; WIN64-NEXT: je .LBB3_7 # encoding: [0x74,A]
468 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_7-1, kind: FK_PCRel_1
469 ; WIN64-NEXT: # %bb.4: # %for.body
470 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
471 ; WIN64-NEXT: testl %eax, %eax # encoding: [0x85,0xc0]
472 ; WIN64-NEXT: jne .LBB3_10 # encoding: [0x75,A]
473 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
474 ; WIN64-NEXT: # %bb.5: # %sw.bb
475 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
476 ; WIN64-NEXT: movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]
477 ; WIN64-NEXT: cmpl $43, %r9d # encoding: [0x41,0x83,0xf9,0x2b]
478 ; WIN64-NEXT: movl $1, %eax # encoding: [0xb8,0x01,0x00,0x00,0x00]
479 ; WIN64-NEXT: je .LBB3_10 # encoding: [0x74,A]
480 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
481 ; WIN64-NEXT: # %bb.6: # %sw.bb
482 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
483 ; WIN64-NEXT: cmpb $45, %r9b # encoding: [0x41,0x80,0xf9,0x2d]
484 ; WIN64-NEXT: je .LBB3_10 # encoding: [0x74,A]
485 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
486 ; WIN64-NEXT: jmp .LBB3_8 # encoding: [0xeb,A]
487 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_8-1, kind: FK_PCRel_1
488 ; WIN64-NEXT: .LBB3_7: # %sw.bb14
489 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
490 ; WIN64-NEXT: movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]
491 ; WIN64-NEXT: .LBB3_8: # %if.else
492 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
493 ; WIN64-NEXT: addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]
494 ; WIN64-NEXT: movl $2, %eax # encoding: [0xb8,0x02,0x00,0x00,0x00]
495 ; WIN64-NEXT: cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]
496 ; WIN64-NEXT: jb .LBB3_10 # encoding: [0x72,A]
497 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
498 ; WIN64-NEXT: jmp .LBB3_12 # encoding: [0xeb,A]
499 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_12-1, kind: FK_PCRel_1
500 ; WIN64-NEXT: .LBB3_9: # %sw.bb22
501 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
502 ; WIN64-NEXT: movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]
503 ; WIN64-NEXT: addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]
504 ; WIN64-NEXT: movl $2, %eax # encoding: [0xb8,0x02,0x00,0x00,0x00]
505 ; WIN64-NEXT: cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]
506 ; WIN64-NEXT: jae _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # TAILCALL
507 ; WIN64-NEXT: # encoding: [0x73,A]
508 ; WIN64-NEXT: # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_-1, kind: FK_PCRel_1
509 ; WIN64-NEXT: .LBB3_10: # %for.inc
510 ; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
511 ; WIN64-NEXT: incq %rcx # encoding: [0x48,0xff,0xc1]
512 ; WIN64-NEXT: decq %r8 # encoding: [0x49,0xff,0xc8]
513 ; WIN64-NEXT: jmp .LBB3_1 # encoding: [0xeb,A]
514 ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_1-1, kind: FK_PCRel_1
515 ; WIN64-NEXT: .LBB3_11:
516 ; WIN64-NEXT: cmpl $2, %eax # encoding: [0x83,0xf8,0x02]
517 ; WIN64-NEXT: sete %al # encoding: [0x0f,0x94,0xc0]
518 ; WIN64-NEXT: # kill: def $al killed $al killed $eax
519 ; WIN64-NEXT: retq # encoding: [0xc3]
520 ; WIN64-NEXT: .LBB3_12:
521 ; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
522 ; WIN64-NEXT: # kill: def $al killed $al killed $eax
523 ; WIN64-NEXT: retq # encoding: [0xc3]
525 %_M_p.i.i = getelementptr inbounds %"class.std::basic_string", %"class.std::basic_string"* %s, i64 0, i32 0, i32 0
526 %0 = load i8*, i8** %_M_p.i.i, align 8
527 %arrayidx.i.i.i54 = getelementptr inbounds i8, i8* %0, i64 -24
528 %_M_length.i.i55 = bitcast i8* %arrayidx.i.i.i54 to i64*
529 %1 = load i64, i64* %_M_length.i.i55, align 8
530 %add.ptr.i56 = getelementptr inbounds i8, i8* %0, i64 %1
533 for.cond: ; preds = %for.inc, %entry
534 %it.sroa.0.0 = phi i8* [ %0, %entry ], [ %incdec.ptr.i, %for.inc ]
535 %state.0 = phi i32 [ 0, %entry ], [ %state.1, %for.inc ]
536 %cmp.i = icmp eq i8* %it.sroa.0.0, %add.ptr.i56
537 br i1 %cmp.i, label %5, label %for.body
539 for.body: ; preds = %for.cond
540 switch i32 %state.0, label %for.inc [
542 i32 1, label %sw.bb14
543 i32 2, label %sw.bb22
546 sw.bb: ; preds = %for.body
547 %2 = load i8, i8* %it.sroa.0.0, align 1
548 switch i8 %2, label %if.else [
549 i8 43, label %for.inc
550 i8 45, label %for.inc
553 if.else: ; preds = %sw.bb
554 %conv9 = zext i8 %2 to i32
555 %isdigittmp45 = add nsw i32 %conv9, -48
556 %isdigit46 = icmp ult i32 %isdigittmp45, 10
557 br i1 %isdigit46, label %for.inc, label %cleanup.thread.loopexit
559 sw.bb14: ; preds = %for.body
560 %3 = load i8, i8* %it.sroa.0.0, align 1
561 %conv16 = zext i8 %3 to i32
562 %isdigittmp43 = add nsw i32 %conv16, -48
563 %isdigit44 = icmp ult i32 %isdigittmp43, 10
564 br i1 %isdigit44, label %for.inc, label %cleanup.thread.loopexit
566 sw.bb22: ; preds = %for.body
567 %4 = load i8, i8* %it.sroa.0.0, align 1
568 %conv24 = zext i8 %4 to i32
569 %isdigittmp = add nsw i32 %conv24, -48
570 %isdigit = icmp ult i32 %isdigittmp, 10
571 br i1 %isdigit, label %for.inc, label %if.else28
573 ; Make sure Machine Copy Propagation doesn't delete the mov to %ecx becaue it
574 ; thinks the conditional tail call clobbers it.
576 if.else28: ; preds = %sw.bb22
577 %call34 = tail call zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(i8* nonnull %it.sroa.0.0, i8* %add.ptr.i56)
578 br label %cleanup.thread
580 for.inc: ; preds = %sw.bb, %sw.bb, %sw.bb22, %sw.bb14, %if.else, %for.body
581 %state.1 = phi i32 [ %state.0, %for.body ], [ 1, %sw.bb ], [ 2, %if.else ], [ 2, %sw.bb14 ], [ 2, %sw.bb22 ], [ 1, %sw.bb ]
582 %incdec.ptr.i = getelementptr inbounds i8, i8* %it.sroa.0.0, i64 1
585 ; <label>:5: ; preds = %for.cond
586 %cmp37 = icmp eq i32 %state.0, 2
587 br label %cleanup.thread
589 cleanup.thread.loopexit: ; preds = %if.else, %sw.bb14
590 br label %cleanup.thread
592 cleanup.thread: ; preds = %cleanup.thread.loopexit, %if.else28, %5
593 %6 = phi i1 [ %cmp37, %5 ], [ %call34, %if.else28 ], [ false, %cleanup.thread.loopexit ]