1 ; RUN: llc -verify-machineinstrs -mtriple=i686-pc-windows-msvc < %s | FileCheck --check-prefix=X86 %s
2 ; RUN: llc -verify-machineinstrs -mtriple=x86_64-pc-windows-msvc < %s | FileCheck --check-prefix=X64 %s
4 ; Loosely based on IR for this C++ source code:
16 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
17 %eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* }
18 %eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] }
19 %eh.ThrowInfo = type { i32, i8*, i8*, i8* }
21 $"\01??_R0H@8" = comdat any
23 @"\01??_7type_info@@6B@" = external constant i8*
24 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
27 declare void @f(i32 %p, i32* %l)
29 declare i32 @__CxxFrameHandler3(...)
31 define i32 @try_catch_catch() personality i32 (...)* @__CxxFrameHandler3 {
35 invoke void @f(i32 1, i32* %local)
36 to label %try.cont unwind label %catch.dispatch
38 catch.dispatch: ; preds = %entry
39 %cs = catchswitch within none [label %handler1, label %handler2] unwind to caller
42 %h1 = catchpad within %cs [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e.addr]
43 %e = load i32, i32* %e.addr
44 call void @f(i32 %e, i32* %local) [ "funclet"(token %h1) ]
45 catchret from %h1 to label %try.cont
48 %h2 = catchpad within %cs [i8* null, i32 64, i8* null]
49 call void @f(i32 3, i32* %local) [ "funclet"(token %h2) ]
50 catchret from %h2 to label %try.cont
56 ; X86-LABEL: _try_catch_catch:
57 ; X86: movl %esp, -[[sp_offset:[0-9]+]](%ebp)
58 ; X86: movl $0, -{{[0-9]+}}(%ebp)
59 ; X86: leal -[[local_offs:[0-9]+]](%ebp), %[[addr_reg:[a-z]+]]
60 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
61 ; X86-DAG: movl $1, (%esp)
63 ; X86: [[contbb:LBB0_[0-9]+]]: # %try.cont
66 ; X86: [[restorebb1:LBB0_[0-9]+]]: # Block address taken
67 ; X86-NEXT: # %handler1
68 ; X86-NEXT: addl $12, %ebp
71 ; FIXME: These should be de-duplicated.
72 ; X86: [[restorebb2:LBB0_[0-9]+]]: # Block address taken
73 ; X86-NEXT: # %handler2
74 ; X86-NEXT: addl $12, %ebp
77 ; X86: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA":
78 ; X86: LBB0_[[catch1bb]]: # %handler1{{$}}
82 ; X86: movl %esp, -[[sp_offset]](%ebp)
83 ; X86-DAG: movl -32(%ebp), %[[e_reg:[a-z]+]]
84 ; X86-DAG: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
85 ; X86-DAG: movl $1, -{{[0-9]+}}(%ebp)
86 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
87 ; X86-DAG: movl %[[e_reg]], (%esp)
89 ; X86-NEXT: movl $[[restorebb1]], %eax
90 ; X86-NEXT: addl $8, %esp
94 ; X86: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA":
95 ; X86: LBB0_[[catch2bb]]: # %handler2{{$}}
99 ; X86: movl %esp, -[[sp_offset]](%ebp)
100 ; X86-DAG: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
101 ; X86-DAG: movl $1, -{{[0-9]+}}(%ebp)
102 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
103 ; X86-DAG: movl $3, (%esp)
105 ; X86-NEXT: movl $[[restorebb2]], %eax
106 ; X86-NEXT: addl $8, %esp
107 ; X86-NEXT: popl %ebp
110 ; X86: L__ehtable$try_catch_catch:
111 ; X86: $handlerMap$0$try_catch_catch:
113 ; X86-NEXT: .long "??_R0H@8"
114 ; X86-NEXT: .long -20
115 ; X86-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"
119 ; X86-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"
121 ; X64-LABEL: try_catch_catch:
124 ; X64: .seh_pushreg 5
125 ; X64: subq $48, %rsp
126 ; X64: .seh_stackalloc 48
127 ; X64: leaq 48(%rsp), %rbp
128 ; X64: .seh_setframe 5, 48
129 ; X64: .seh_endprologue
130 ; X64: movq $-2, -8(%rbp)
132 ; X64-DAG: leaq -[[local_offs:[0-9]+]](%rbp), %rdx
133 ; X64-DAG: movl $1, %ecx
135 ; X64: [[contbb:\.LBB0_[0-9]+]]: # Block address taken
136 ; X64-NEXT: # %try.cont
137 ; X64: addq $48, %rsp
141 ; X64: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA":
142 ; X64: LBB0_[[catch1bb]]: # %handler1{{$}}
143 ; X64: movq %rdx, 16(%rsp)
145 ; X64: .seh_pushreg 5
146 ; X64: subq $32, %rsp
147 ; X64: .seh_stackalloc 32
148 ; X64: leaq 48(%rdx), %rbp
149 ; X64: .seh_endprologue
150 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
151 ; X64-DAG: movl -12(%rbp), %ecx
153 ; X64: leaq [[contbb]](%rip), %rax
154 ; X64-NEXT: addq $32, %rsp
155 ; X64-NEXT: popq %rbp
158 ; X64: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA":
159 ; X64: LBB0_[[catch2bb]]: # %handler2{{$}}
160 ; X64: movq %rdx, 16(%rsp)
162 ; X64: .seh_pushreg 5
163 ; X64: subq $32, %rsp
164 ; X64: .seh_stackalloc 32
165 ; X64: leaq 48(%rdx), %rbp
166 ; X64: .seh_endprologue
167 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
168 ; X64-DAG: movl $3, %ecx
170 ; X64: leaq [[contbb]](%rip), %rax
171 ; X64-NEXT: addq $32, %rsp
172 ; X64-NEXT: popq %rbp
175 ; X64: $cppxdata$try_catch_catch:
176 ; X64-NEXT: .long 429065506
178 ; X64-NEXT: .long ($stateUnwindMap$try_catch_catch)@IMGREL
180 ; X64-NEXT: .long ($tryMap$try_catch_catch)@IMGREL
182 ; X64-NEXT: .long ($ip2state$try_catch_catch)@IMGREL
187 ; X64: $tryMap$try_catch_catch:
192 ; X64-NEXT: .long ($handlerMap$0$try_catch_catch)@IMGREL
194 ; X64: $handlerMap$0$try_catch_catch:
196 ; X64-NEXT: .long "??_R0H@8"@IMGREL
198 ; X64-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"@IMGREL
203 ; X64-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"@IMGREL
206 ; X64: $ip2state$try_catch_catch:
207 ; X64-NEXT: .long .Lfunc_begin0@IMGREL
209 ; X64-NEXT: .long .Ltmp0@IMGREL+1
211 ; X64-NEXT: .long .Ltmp1@IMGREL+1
213 ; X64-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"@IMGREL
215 ; X64-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"@IMGREL
219 define i32 @branch_to_normal_dest() personality i32 (...)* @__CxxFrameHandler3 {
221 invoke void @f(i32 1, i32* null)
222 to label %try.cont unwind label %catch.dispatch
225 %cs1 = catchswitch within none [label %catch] unwind to caller
228 %cp1 = catchpad within %cs1 [i8* null, i32 64, i8* null]
232 %V = call i1 @getbool() [ "funclet"(token %cp1) ]
233 br i1 %V, label %loop, label %catch.done
236 catchret from %cp1 to label %try.cont
242 ; X86-LABEL: _branch_to_normal_dest:
245 ; X86: [[contbb:LBB1_[0-9]+]]: # %try.cont
248 ; X86: [[restorebb:LBB1_[0-9]+]]: # Block address taken
249 ; X86-NEXT: # %catch.done
250 ; X86-NEXT: addl $12, %ebp
251 ; X86: jmp [[contbb]]
253 ; X86: "?catch$[[catchbb:[0-9]+]]@?0?branch_to_normal_dest@4HA":
254 ; X86: LBB1_[[catchbb]]: # %catch{{$}}
257 ; X86: addl $12, %ebp
258 ; X86: LBB1_[[loopbb:[0-9]+]]: # %loop
259 ; X86: movl $1, -16(%ebp)
260 ; X86: calll _getbool
262 ; X86: jne LBB1_[[loopbb]]
264 ; X86-NEXT: movl $[[restorebb]], %eax
265 ; X86-NEXT: addl $8, %esp
266 ; X86-NEXT: popl %ebp
269 ; X86: L__ehtable$branch_to_normal_dest:
270 ; X86: $handlerMap$0$branch_to_normal_dest:
274 ; X86-NEXT: .long "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"
276 ; X64-LABEL: branch_to_normal_dest:
279 ; X64: .seh_pushreg 5
280 ; X64: subq $48, %rsp
281 ; X64: .seh_stackalloc 48
282 ; X64: leaq 48(%rsp), %rbp
283 ; X64: .seh_setframe 5, 48
284 ; X64: .seh_endprologue
285 ; X64: .Ltmp[[before_call:[0-9]+]]:
287 ; X64: .Ltmp[[after_call:[0-9]+]]:
288 ; X64: [[contbb:\.LBB1_[0-9]+]]: # Block address taken
289 ; X64-NEXT: # %try.cont
290 ; X64: addq $48, %rsp
294 ; X64: "?catch$[[catchbb:[0-9]+]]@?0?branch_to_normal_dest@4HA":
295 ; X64: LBB1_[[catchbb]]: # %catch{{$}}
296 ; X64: movq %rdx, 16(%rsp)
298 ; X64: .seh_pushreg 5
299 ; X64: subq $32, %rsp
300 ; X64: .seh_stackalloc 32
301 ; X64: leaq 48(%rdx), %rbp
302 ; X64: .seh_endprologue
303 ; X64: .LBB1_[[normal_dest_bb:[0-9]+]]: # %loop
306 ; X64: jne .LBB1_[[normal_dest_bb]]
308 ; X64: leaq [[contbb]](%rip), %rax
309 ; X64-NEXT: addq $32, %rsp
310 ; X64-NEXT: popq %rbp
313 ; X64-LABEL: $cppxdata$branch_to_normal_dest:
314 ; X64-NEXT: .long 429065506
316 ; X64-NEXT: .long ($stateUnwindMap$branch_to_normal_dest)@IMGREL
318 ; X64-NEXT: .long ($tryMap$branch_to_normal_dest)@IMGREL
320 ; X64-NEXT: .long ($ip2state$branch_to_normal_dest)@IMGREL
325 ; X64-LABEL: $stateUnwindMap$branch_to_normal_dest:
331 ; X64-LABEL: $tryMap$branch_to_normal_dest:
336 ; X64-NEXT: .long ($handlerMap$0$branch_to_normal_dest)@IMGREL
338 ; X64-LABEL: $handlerMap$0$branch_to_normal_dest:
342 ; X64-NEXT: .long "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"@IMGREL
345 ; X64-LABEL: $ip2state$branch_to_normal_dest:
346 ; X64-NEXT: .long .Lfunc_begin1@IMGREL
348 ; X64-NEXT: .long .Ltmp[[before_call]]@IMGREL+1
350 ; X64-NEXT: .long .Ltmp[[after_call]]@IMGREL+1
352 ; X64-NEXT: .long "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"@IMGREL