1 ; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck --check-prefix=X86 %s
2 ; RUN: llc -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)
28 declare i32 @__CxxFrameHandler3(...)
30 define i32 @try_catch_catch() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
34 invoke void @f(i32 1, i32* %local)
35 to label %try.cont unwind label %catch.dispatch
37 catch.dispatch: ; preds = %entry
38 %0 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e.addr]
39 to label %catch unwind label %catch.dispatch.2
41 catch: ; preds = %catch.dispatch
42 %e = load i32, i32* %e.addr
43 invoke void @f(i32 %e, i32* %local)
44 to label %invoke.cont.2 unwind label %catchendblock
46 invoke.cont.2: ; preds = %catch
47 catchret %0 to label %try.cont
49 catch.dispatch.2: ; preds = %catch.dispatch
50 %1 = catchpad [i8* null, i32 u0x40, i8* null]
51 to label %catch.2 unwind label %catchendblock
53 catch.2: ; preds = %catch.dispatch.2
54 invoke void @f(i32 3, i32* %local)
55 to label %invoke.cont.3 unwind label %catchendblock
57 invoke.cont.3: ; preds = %catch.2
58 catchret %1 to label %try.cont
60 try.cont: ; preds = %entry, %invoke.cont.2, %invoke.cont.3
63 catchendblock: ; preds = %catch, %catch.2, %catch.dispatch.2
64 catchendpad unwind to caller
67 ; X86-LABEL: _try_catch_catch:
68 ; X86: movl $0, -{{[0-9]+}}(%ebp)
69 ; X86: leal -[[local_offs:[0-9]+]](%ebp), %[[addr_reg:[a-z]+]]
70 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
71 ; X86-DAG: movl $1, (%esp)
73 ; X86: [[contbb:LBB0_[0-9]+]]: # %try.cont
76 ; X86: [[catch1bb:LBB0_[0-9]+]]: # %catch{{$}}
80 ; X86: movl -32(%ebp), %[[e_reg:[a-z]+]]
81 ; X86: movl $1, -{{[0-9]+}}(%ebp)
82 ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
83 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
84 ; X86-DAG: movl %[[e_reg]], (%esp)
86 ; X86-NEXT: addl $8, %esp
88 ; X86-NEXT: movl $[[restorebb:LBB0_[0-9]+]], %eax
91 ; X86: [[catch2bb:LBB0_[0-9]+]]: # %catch.2{{$}}
95 ; X86: movl $1, -{{[0-9]+}}(%ebp)
96 ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
97 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
98 ; X86-DAG: movl $3, (%esp)
100 ; X86-NEXT: addl $8, %esp
101 ; X86-NEXT: popl %ebp
102 ; X86-NEXT: movl $[[restorebb]], %eax
105 ; FIXME: We should lay this code out up with the parent function.
106 ; X86: [[restorebb]]:
107 ; X86: movl -16(%ebp), %esp
108 ; X86: addl $12, %ebp
109 ; X86: jmp [[contbb]]
111 ; X86: L__ehtable$try_catch_catch:
112 ; X86: $handlerMap$0$try_catch_catch:
114 ; X86-NEXT: .long "??_R0H@8"
115 ; X86-NEXT: .long -20
116 ; X86-NEXT: .long [[catch1bb]]
120 ; X86-NEXT: .long [[catch2bb]]
122 ; 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-DAG: leaq -[[local_offs:[0-9]+]](%rbp), %rdx
130 ; X64-DAG: movl $1, %ecx
132 ; X64: [[contbb:\.LBB0_[0-9]+]]: # %try.cont
133 ; X64: addq $48, %rsp
137 ; X64: [[catch1bb:\.LBB0_[0-9]+]]: # %catch{{$}}
138 ; X64: movq %rdx, 16(%rsp)
140 ; X64: movq %rdx, %rbp
141 ; X64: subq $32, %rsp
142 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
143 ; X64-DAG: movl [[e_addr:[-0-9]+]](%rbp), %ecx
145 ; X64: addq $32, %rsp
146 ; X64-NEXT: popq %rbp
147 ; X64-NEXT: leaq [[contbb]](%rip), %rax
150 ; X64: [[catch2bb:\.LBB0_[0-9]+]]: # %catch.2{{$}}
151 ; X64: movq %rdx, 16(%rsp)
153 ; X64: movq %rdx, %rbp
154 ; X64: subq $32, %rsp
155 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
156 ; X64-DAG: movl $3, %ecx
158 ; X64: addq $32, %rsp
159 ; X64-NEXT: popq %rbp
160 ; X64-NEXT: leaq [[contbb]](%rip), %rax
163 ; X64: $handlerMap$0$try_catch_catch:
165 ; X64: .long "??_R0H@8"@IMGREL
166 ; FIXME: This should probably be offset from rsp, not rbp.
167 ; X64: .long [[e_addr]]
168 ; X64: .long [[catch1bb]]@IMGREL
173 ; X64: .long [[catch2bb]]@IMGREL