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* }
20 %eh.CatchHandlerType = type { i32, i8* }
22 $"\01??_R0H@8" = comdat any
24 @"\01??_7type_info@@6B@" = external constant i8*
25 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
27 @llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
28 @llvm.eh.handlertype.H.1 = private unnamed_addr constant %eh.CatchHandlerType { i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
30 declare void @f(i32 %p, i32* %l)
31 declare i32 @__CxxFrameHandler3(...)
32 declare void @barrier()
34 define i32 @try_catch_catch() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
37 invoke void @f(i32 1, i32* %local)
38 to label %try.cont unwind label %catch.dispatch
40 catch.dispatch: ; preds = %entry
41 %0 = catchpad [%eh.CatchHandlerType* @llvm.eh.handlertype.H.0, i8* null]
42 to label %catch unwind label %catch.dispatch.2
44 catch: ; preds = %catch.dispatch
45 ; FIXME: Remove this barrier once we add more real register allocation barriers.
46 invoke void @barrier()
47 to label %barrier.split unwind label %catchendblock
49 invoke void @f(i32 2, i32* %local)
50 to label %invoke.cont.2 unwind label %catchendblock
52 invoke.cont.2: ; preds = %catch
53 catchret %0 to label %try.cont
55 catch.dispatch.2: ; preds = %catch.dispatch
56 %1 = catchpad [%eh.CatchHandlerType* @llvm.eh.handlertype.H.0, i8* null]
57 to label %catch.2 unwind label %catchendblock
59 catch.2: ; preds = %catch.dispatch.2
60 invoke void @f(i32 3, i32* %local)
61 to label %invoke.cont.3 unwind label %catchendblock
63 invoke.cont.3: ; preds = %catch.2
64 catchret %1 to label %try.cont
66 try.cont: ; preds = %entry, %invoke.cont.2, %invoke.cont.3
69 catchendblock: ; preds = %catch, %catch.2, %catch.dispatch.2
70 catchendpad unwind to caller
73 ; X86-LABEL: _try_catch_catch:
74 ; X86: movl $0, -{{[0-9]+}}(%ebp)
75 ; X86: leal -[[local_offs:[0-9]+]](%ebp), %[[addr_reg:[a-z]+]]
76 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
77 ; X86-DAG: movl $1, (%esp)
79 ; X86: [[contbb:LBB0_[0-9]+]]:
80 ; X86: movl -{{[0-9]+}}(%ebp), %esp
83 ; X86: [[catch1bb:LBB0_[0-9]+]]: # %catch{{$}}
87 ; X86: movl $1, -{{[0-9]+}}(%ebp)
88 ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
89 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
90 ; X86-DAG: movl $2, (%esp)
92 ; X86: movl $[[contbb]], %eax
93 ; X86-NEXT: addl $8, %esp
96 ; X86: [[catch2bb:LBB0_[0-9]+]]: # %catch.2{{$}}
99 ; X86: movl $1, -{{[0-9]+}}(%ebp)
100 ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
101 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
102 ; X86-DAG: movl $3, (%esp)
104 ; X86: movl $[[contbb]], %eax
105 ; X86-NEXT: addl $8, %esp
108 ; X86: L__ehtable$try_catch_catch:
109 ; X86: $handlerMap$0$try_catch_catch:
111 ; X86: .long "??_R0H@8"
113 ; X86: .long [[catch1bb]]
115 ; X86: .long "??_R0H@8"
117 ; X86: .long [[catch2bb]]
119 ; X64-LABEL: try_catch_catch:
121 ; X64: .seh_pushreg 5
122 ; X64: subq $48, %rsp
123 ; X64: .seh_stackalloc 48
124 ; X64: leaq 48(%rsp), %rbp
125 ; X64: .seh_setframe 5, 48
126 ; X64-DAG: leaq -[[local_offs:[0-9]+]](%rbp), %rdx
127 ; X64-DAG: movl $1, %ecx
129 ; X64: [[contbb:\.LBB0_[0-9]+]]:
130 ; X64: addq $48, %rsp
134 ; X64: [[catch1bb:\.LBB0_[0-9]+]]: # %catch{{$}}
135 ; X64: movq %rdx, 16(%rsp)
137 ; X64: movq %rdx, %rbp
138 ; X64: subq $32, %rsp
139 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
140 ; X64-DAG: movl $2, %ecx
142 ; X64: leaq [[contbb]](%rip), %rax
143 ; X64: addq $32, %rsp
147 ; X64: [[catch2bb:\.LBB0_[0-9]+]]: # %catch.2{{$}}
148 ; X64: movq %rdx, 16(%rsp)
150 ; X64: movq %rdx, %rbp
151 ; X64: subq $32, %rsp
152 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
153 ; X64-DAG: movl $3, %ecx
155 ; X64: leaq [[contbb]](%rip), %rax
156 ; X64: addq $32, %rsp
160 ; X64: $handlerMap$0$try_catch_catch:
162 ; X64: .long "??_R0H@8"@IMGREL
164 ; X64: .long [[catch1bb]]@IMGREL
167 ; X64: .long "??_R0H@8"@IMGREL
169 ; X64: .long [[catch2bb]]@IMGREL