356 lines
10 KiB
LLVM
356 lines
10 KiB
LLVM
|
; RUN: llc -stack-symbol-ordering=0 -verify-machineinstrs -mtriple=i686-pc-windows-msvc < %s | FileCheck --check-prefix=X86 %s
|
||
|
|
; RUN: llc -stack-symbol-ordering=0 -verify-machineinstrs -mtriple=x86_64-pc-windows-msvc < %s | FileCheck --check-prefix=X64 %s
|
||
|
|
|
||
|
|
; Loosely based on IR for this C++ source code:
|
||
|
|
; void f(int p);
|
||
|
|
; int main() {
|
||
|
|
; try {
|
||
|
|
; f(1);
|
||
|
|
; } catch (int e) {
|
||
|
|
; f(e);
|
||
|
|
; } catch (...) {
|
||
|
|
; f(3);
|
||
|
|
; }
|
||
|
|
; }
|
||
|
|
|
||
|
|
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
|
||
|
|
%eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* }
|
||
|
|
%eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] }
|
||
|
|
%eh.ThrowInfo = type { i32, i8*, i8*, i8* }
|
||
|
|
|
||
|
|
$"\01??_R0H@8" = comdat any
|
||
|
|
|
||
|
|
@"\01??_7type_info@@6B@" = external constant i8*
|
||
|
|
@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
|
||
|
|
|
||
|
|
|
||
|
|
declare void @f(i32 %p, i32* %l)
|
||
|
|
declare i1 @getbool()
|
||
|
|
declare i32 @__CxxFrameHandler3(...)
|
||
|
|
|
||
|
|
define i32 @try_catch_catch() personality i32 (...)* @__CxxFrameHandler3 {
|
||
|
|
entry:
|
||
|
|
%e.addr = alloca i32
|
||
|
|
%local = alloca i32
|
||
|
|
invoke void @f(i32 1, i32* %local)
|
||
|
|
to label %try.cont unwind label %catch.dispatch
|
||
|
|
|
||
|
|
catch.dispatch: ; preds = %entry
|
||
|
|
%cs = catchswitch within none [label %handler1, label %handler2] unwind to caller
|
||
|
|
|
||
|
|
handler1:
|
||
|
|
%h1 = catchpad within %cs [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e.addr]
|
||
|
|
%e = load i32, i32* %e.addr
|
||
|
|
call void @f(i32 %e, i32* %local) [ "funclet"(token %h1) ]
|
||
|
|
catchret from %h1 to label %try.cont
|
||
|
|
|
||
|
|
handler2:
|
||
|
|
%h2 = catchpad within %cs [i8* null, i32 64, i8* null]
|
||
|
|
call void @f(i32 3, i32* %local) [ "funclet"(token %h2) ]
|
||
|
|
catchret from %h2 to label %try.cont
|
||
|
|
|
||
|
|
try.cont:
|
||
|
|
ret i32 0
|
||
|
|
}
|
||
|
|
|
||
|
|
; X86-LABEL: _try_catch_catch:
|
||
|
|
; X86: movl %esp, -[[sp_offset:[0-9]+]](%ebp)
|
||
|
|
; X86: movl $0, -{{[0-9]+}}(%ebp)
|
||
|
|
; X86: leal -[[local_offs:[0-9]+]](%ebp), %[[addr_reg:[a-z]+]]
|
||
|
|
; X86-DAG: pushl %[[addr_reg]]
|
||
|
|
; X86-DAG: pushl $1
|
||
|
|
; X86: calll _f
|
||
|
|
; X86: [[contbb:LBB0_[0-9]+]]: # %try.cont
|
||
|
|
; X86: retl
|
||
|
|
|
||
|
|
; FIXME: These should be de-duplicated.
|
||
|
|
; X86: [[restorebb2:LBB0_[0-9]+]]: # Block address taken
|
||
|
|
; X86-NEXT: # %handler2
|
||
|
|
; X86-NEXT: addl $12, %ebp
|
||
|
|
; X86: jmp [[contbb]]
|
||
|
|
|
||
|
|
; X86: [[restorebb1:LBB0_[0-9]+]]: # Block address taken
|
||
|
|
; X86-NEXT: # %handler1
|
||
|
|
; X86-NEXT: addl $12, %ebp
|
||
|
|
; X86: jmp [[contbb]]
|
||
|
|
|
||
|
|
; X86: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA":
|
||
|
|
; X86: LBB0_[[catch1bb]]: # %handler1{{$}}
|
||
|
|
; X86: pushl %ebp
|
||
|
|
; X86: subl $8, %esp
|
||
|
|
; X86: addl $12, %ebp
|
||
|
|
; X86: movl %esp, -[[sp_offset]](%ebp)
|
||
|
|
; X86-DAG: movl -32(%ebp), %[[e_reg:[a-z]+]]
|
||
|
|
; X86-DAG: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
|
||
|
|
; X86-DAG: movl $1, -{{[0-9]+}}(%ebp)
|
||
|
|
; X86: pushl %[[addr_reg]]
|
||
|
|
; X86: pushl %[[e_reg]]
|
||
|
|
; X86: calll _f
|
||
|
|
; X86: addl $8, %esp
|
||
|
|
; X86: movl $[[restorebb1]], %eax
|
||
|
|
; X86: addl $8, %esp
|
||
|
|
; X86: popl %ebp
|
||
|
|
; X86: retl
|
||
|
|
|
||
|
|
; X86: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA":
|
||
|
|
; X86: LBB0_[[catch2bb]]: # %handler2{{$}}
|
||
|
|
; X86: pushl %ebp
|
||
|
|
; X86: subl $8, %esp
|
||
|
|
; X86: addl $12, %ebp
|
||
|
|
; X86: movl %esp, -[[sp_offset]](%ebp)
|
||
|
|
; X86-DAG: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
|
||
|
|
; X86-DAG: movl $1, -{{[0-9]+}}(%ebp)
|
||
|
|
; X86: pushl %[[addr_reg]]
|
||
|
|
; X86: pushl $3
|
||
|
|
; X86: calll _f
|
||
|
|
; X86: addl $8, %esp
|
||
|
|
; X86: movl $[[restorebb2]], %eax
|
||
|
|
; X86: addl $8, %esp
|
||
|
|
; X86: popl %ebp
|
||
|
|
; X86: retl
|
||
|
|
|
||
|
|
; X86: L__ehtable$try_catch_catch:
|
||
|
|
; X86: $handlerMap$0$try_catch_catch:
|
||
|
|
; X86-NEXT: .long 0
|
||
|
|
; X86-NEXT: .long "??_R0H@8"
|
||
|
|
; X86-NEXT: .long -20
|
||
|
|
; X86-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"
|
||
|
|
; X86-NEXT: .long 64
|
||
|
|
; X86-NEXT: .long 0
|
||
|
|
; X86-NEXT: .long 0
|
||
|
|
; X86-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"
|
||
|
|
|
||
|
|
; X64-LABEL: try_catch_catch:
|
||
|
|
; X64: Lfunc_begin0:
|
||
|
|
; X64: pushq %rbp
|
||
|
|
; X64: .seh_pushreg %rbp
|
||
|
|
; X64: subq $[[STCK_ALLOC:.*]], %rsp
|
||
|
|
; X64: .seh_stackalloc [[STCK_ALLOC]]
|
||
|
|
; X64: leaq [[STCK_ALLOC]](%rsp), %rbp
|
||
|
|
; X64: .seh_setframe %rbp, [[STCK_ALLOC]]
|
||
|
|
; X64: .seh_endprologue
|
||
|
|
; X64: movq $-2, -16(%rbp)
|
||
|
|
; X64: .Ltmp0
|
||
|
|
; X64-DAG: leaq -[[local_offs:[0-9]+]](%rbp), %rdx
|
||
|
|
; X64-DAG: movl $1, %ecx
|
||
|
|
; X64: callq f
|
||
|
|
; X64: [[contbb:\.LBB0_[0-9]+]]: # Block address taken
|
||
|
|
; X64-NEXT: # %try.cont
|
||
|
|
; X64: addq $[[STCK_ALLOC]], %rsp
|
||
|
|
; X64: popq %rbp
|
||
|
|
; X64: retq
|
||
|
|
|
||
|
|
; X64: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA":
|
||
|
|
; X64: LBB0_[[catch1bb]]: # %handler1{{$}}
|
||
|
|
; X64: movq %rdx, 16(%rsp)
|
||
|
|
; X64: pushq %rbp
|
||
|
|
; X64: .seh_pushreg %rbp
|
||
|
|
; X64: subq $32, %rsp
|
||
|
|
; X64: .seh_stackalloc 32
|
||
|
|
; X64: leaq [[STCK_ALLOC]](%rdx), %rbp
|
||
|
|
; X64: .seh_endprologue
|
||
|
|
; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
|
||
|
|
; X64-DAG: movl -4(%rbp), %ecx
|
||
|
|
; X64: callq f
|
||
|
|
; X64: leaq [[contbb]](%rip), %rax
|
||
|
|
; X64-NEXT: addq $32, %rsp
|
||
|
|
; X64-NEXT: popq %rbp
|
||
|
|
; X64-NEXT: retq
|
||
|
|
|
||
|
|
; X64: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA":
|
||
|
|
; X64: LBB0_[[catch2bb]]: # %handler2{{$}}
|
||
|
|
; X64: movq %rdx, 16(%rsp)
|
||
|
|
; X64: pushq %rbp
|
||
|
|
; X64: .seh_pushreg %rbp
|
||
|
|
; X64: subq $32, %rsp
|
||
|
|
; X64: .seh_stackalloc 32
|
||
|
|
; X64: leaq [[STCK_ALLOC]](%rdx), %rbp
|
||
|
|
; X64: .seh_endprologue
|
||
|
|
; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
|
||
|
|
; X64-DAG: movl $3, %ecx
|
||
|
|
; X64: callq f
|
||
|
|
; X64: leaq [[contbb]](%rip), %rax
|
||
|
|
; X64-NEXT: addq $32, %rsp
|
||
|
|
; X64-NEXT: popq %rbp
|
||
|
|
; X64-NEXT: retq
|
||
|
|
|
||
|
|
; X64: $cppxdata$try_catch_catch:
|
||
|
|
; X64-NEXT: .long 429065506
|
||
|
|
; X64-NEXT: .long 2
|
||
|
|
; X64-NEXT: .long ($stateUnwindMap$try_catch_catch)@IMGREL
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long ($tryMap$try_catch_catch)@IMGREL
|
||
|
|
; X64-NEXT: .long 5
|
||
|
|
; X64-NEXT: .long ($ip2state$try_catch_catch)@IMGREL
|
||
|
|
; X64-NEXT: .long 48
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
|
||
|
|
; X64: $tryMap$try_catch_catch:
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long 2
|
||
|
|
; X64-NEXT: .long ($handlerMap$0$try_catch_catch)@IMGREL
|
||
|
|
|
||
|
|
; X64: $handlerMap$0$try_catch_catch:
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long "??_R0H@8"@IMGREL
|
||
|
|
; X64-NEXT: .long 60
|
||
|
|
; X64-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 56
|
||
|
|
; X64-NEXT: .long 64
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 56
|
||
|
|
|
||
|
|
; X64: $ip2state$try_catch_catch:
|
||
|
|
; X64-NEXT: .long .Lfunc_begin0@IMGREL
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long .Ltmp0@IMGREL+1
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long .Ltmp1@IMGREL+1
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
|
||
|
|
|
||
|
|
define i32 @branch_to_normal_dest() personality i32 (...)* @__CxxFrameHandler3 {
|
||
|
|
entry:
|
||
|
|
invoke void @f(i32 1, i32* null)
|
||
|
|
to label %try.cont unwind label %catch.dispatch
|
||
|
|
|
||
|
|
catch.dispatch:
|
||
|
|
%cs1 = catchswitch within none [label %catch] unwind to caller
|
||
|
|
|
||
|
|
catch:
|
||
|
|
%cp1 = catchpad within %cs1 [i8* null, i32 64, i8* null]
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop:
|
||
|
|
%V = call i1 @getbool() [ "funclet"(token %cp1) ]
|
||
|
|
br i1 %V, label %loop, label %catch.done
|
||
|
|
|
||
|
|
catch.done:
|
||
|
|
catchret from %cp1 to label %try.cont
|
||
|
|
|
||
|
|
try.cont:
|
||
|
|
ret i32 0
|
||
|
|
}
|
||
|
|
|
||
|
|
; X86-LABEL: _branch_to_normal_dest:
|
||
|
|
; X86: calll _f
|
||
|
|
|
||
|
|
; X86: [[contbb:LBB1_[0-9]+]]: # %try.cont
|
||
|
|
; X86: retl
|
||
|
|
|
||
|
|
; X86: [[restorebb:LBB1_[0-9]+]]: # Block address taken
|
||
|
|
; X86-NEXT: # %catch.done
|
||
|
|
; X86-NEXT: addl $12, %ebp
|
||
|
|
; X86: jmp [[contbb]]
|
||
|
|
|
||
|
|
; X86: "?catch$[[catchbb:[0-9]+]]@?0?branch_to_normal_dest@4HA":
|
||
|
|
; X86: LBB1_[[catchbb]]: # %catch{{$}}
|
||
|
|
; X86: pushl %ebp
|
||
|
|
; X86: subl $8, %esp
|
||
|
|
; X86: addl $12, %ebp
|
||
|
|
; X86: movl $1, -16(%ebp)
|
||
|
|
; X86: LBB1_[[loopbb:[0-9]+]]: # %loop
|
||
|
|
; X86: calll _getbool
|
||
|
|
; X86: testb $1, %al
|
||
|
|
; X86: jne LBB1_[[loopbb]]
|
||
|
|
; X86: # %catch.done
|
||
|
|
; X86-NEXT: movl $[[restorebb]], %eax
|
||
|
|
; X86-NEXT: addl $8, %esp
|
||
|
|
; X86-NEXT: popl %ebp
|
||
|
|
; X86-NEXT: retl
|
||
|
|
|
||
|
|
; X86: L__ehtable$branch_to_normal_dest:
|
||
|
|
; X86: $handlerMap$0$branch_to_normal_dest:
|
||
|
|
; X86-NEXT: .long 64
|
||
|
|
; X86-NEXT: .long 0
|
||
|
|
; X86-NEXT: .long 0
|
||
|
|
; X86-NEXT: .long "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"
|
||
|
|
|
||
|
|
; X64-LABEL: branch_to_normal_dest:
|
||
|
|
; X64: # %entry
|
||
|
|
; X64: pushq %rbp
|
||
|
|
; X64: .seh_pushreg %rbp
|
||
|
|
; X64: subq $48, %rsp
|
||
|
|
; X64: .seh_stackalloc 48
|
||
|
|
; X64: leaq 48(%rsp), %rbp
|
||
|
|
; X64: .seh_setframe %rbp, 48
|
||
|
|
; X64: .seh_endprologue
|
||
|
|
; X64: .Ltmp[[before_call:[0-9]+]]:
|
||
|
|
; X64: callq f
|
||
|
|
; X64: .Ltmp[[after_call:[0-9]+]]:
|
||
|
|
; X64: [[contbb:\.LBB1_[0-9]+]]: # Block address taken
|
||
|
|
; X64-NEXT: # %try.cont
|
||
|
|
; X64: addq $48, %rsp
|
||
|
|
; X64: popq %rbp
|
||
|
|
; X64: retq
|
||
|
|
|
||
|
|
; X64: "?catch$[[catchbb:[0-9]+]]@?0?branch_to_normal_dest@4HA":
|
||
|
|
; X64: LBB1_[[catchbb]]: # %catch{{$}}
|
||
|
|
; X64: movq %rdx, 16(%rsp)
|
||
|
|
; X64: pushq %rbp
|
||
|
|
; X64: .seh_pushreg %rbp
|
||
|
|
; X64: subq $32, %rsp
|
||
|
|
; X64: .seh_stackalloc 32
|
||
|
|
; X64: leaq 48(%rdx), %rbp
|
||
|
|
; X64: .seh_endprologue
|
||
|
|
; X64: .LBB1_[[normal_dest_bb:[0-9]+]]: # %loop
|
||
|
|
; X64: callq getbool
|
||
|
|
; X64: testb $1, %al
|
||
|
|
; X64: jne .LBB1_[[normal_dest_bb]]
|
||
|
|
; X64: # %catch.done
|
||
|
|
; X64: leaq [[contbb]](%rip), %rax
|
||
|
|
; X64-NEXT: addq $32, %rsp
|
||
|
|
; X64-NEXT: popq %rbp
|
||
|
|
; X64-NEXT: retq
|
||
|
|
|
||
|
|
; X64-LABEL: $cppxdata$branch_to_normal_dest:
|
||
|
|
; X64-NEXT: .long 429065506
|
||
|
|
; X64-NEXT: .long 2
|
||
|
|
; X64-NEXT: .long ($stateUnwindMap$branch_to_normal_dest)@IMGREL
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long ($tryMap$branch_to_normal_dest)@IMGREL
|
||
|
|
; X64-NEXT: .long 4
|
||
|
|
; X64-NEXT: .long ($ip2state$branch_to_normal_dest)@IMGREL
|
||
|
|
; X64-NEXT: .long 40
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
|
||
|
|
; X64-LABEL: $stateUnwindMap$branch_to_normal_dest:
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
|
||
|
|
; X64-LABEL: $tryMap$branch_to_normal_dest:
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long ($handlerMap$0$branch_to_normal_dest)@IMGREL
|
||
|
|
|
||
|
|
; X64-LABEL: $handlerMap$0$branch_to_normal_dest:
|
||
|
|
; X64-NEXT: .long 64
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 56
|
||
|
|
|
||
|
|
; X64-LABEL: $ip2state$branch_to_normal_dest:
|
||
|
|
; X64-NEXT: .long .Lfunc_begin1@IMGREL
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long .Ltmp[[before_call]]@IMGREL+1
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long .Ltmp[[after_call]]@IMGREL+1
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 1
|