Displaying 5 results from an estimated 5 matches for "finally_handler".
2010 Jan 21
4
[LLVMdev] Exception handling question
...i64*>
[#uses=1]
%7 = invoke i8* (...)* bitcast (i32 (%struct._Unwind_Exception*)*
@_Unwind_RaiseException to i8* (...)*)(i64* %6)
to label %8 unwind label %.finally_pad ; <i8*> [#uses=0]
; <label>:8 ; preds = %.try_body
br label %.finally_handler
.finally_pad: ; preds = %.try_body
%9 = call i8* @llvm.eh.exception() ; <i8*> [#uses=2]
store i8* %9, i8** %.ex_value
%10 = call i64 (i8*, i8*, ...)* @llvm.eh.selector.i64(i8* %9, i8* bitcast
(i32 (i32, i32, i64, %struct._Unwind_Exceptio...
2010 Jan 22
2
[LLVMdev] Exception handling question
...label292:
jmp .LBB153_4
.LBB153_3: # %.finally_pad
.Llabel293:
movq %rax, 16(%rsp)
testq %rdx, %rdx
setne %al
movzbl %al, %eax
movq %rax, (%rsp)
.LBB153_4: #
%.finally_handler
movl $.L__string_27, %edi
xorb %al, %al
call printf
xorl %eax, %eax
addq $56, %rsp
ret
.size _ZN4N0014Main5test5EN2IO6WriterEiA_l,
.-_ZN4N0014Main5test5EN2IO6WriterEiA_l
.Lfunc_end153:
.Leh_func_end153:
.section .gcc_except_table,"a", a...
2010 Jan 21
0
[LLVMdev] Exception handling question
...%7 = invoke i8* (...)* bitcast (i32 (%struct._Unwind_Exception*)* @_Unwind_RaiseException to i8* (...)*)(i64* %6)
> to label %8 unwind label %.finally_pad ; <i8*> [#uses=0]
>
> ; <label>:8 ; preds = %.try_body
> br label %.finally_handler
>
> .finally_pad: ; preds = %.try_body
> %9 = call i8* @llvm.eh.exception() ; <i8*> [#uses=2]
> store i8* %9, i8** %.ex_value
> %10 = call i64 (i8*, i8*, ...)* @llvm.eh.selector.i64(i8* %9, i8* bitcast (i32 (i32, i32, i64,...
2010 Jan 22
0
[LLVMdev] Exception handling question
...# %.finally_pad
> .Llabel293:
>
> movq %rax, 16(%rsp)
> testq %rdx, %rdx
> setne %al
> movzbl %al, %eax
> movq %rax, (%rsp)
> .LBB153_4: #
> %.finally_handler
> movl $.L__string_27, %edi
> xorb %al, %al
> call printf
> xorl %eax, %eax
> addq $56, %rsp
> ret
> .size _ZN4N0014Main5test5EN2IO6WriterEiA_l,
> .-_ZN4N0014Main5test5EN2IO6WriterEiA_l
> .Lfunc_end153:
> .Leh_func_end153:...
2010 Jan 22
0
[LLVMdev] Exception handling question
Hi James,
> I've been trying to get a minimal test function to work, which simply
> invokes _Unwind_RaiseException with a single clean-up landing pad.
> However. when I run it my personality function is not getting called -
> _Unwind_RaiseException simply returns apparently doing nothing. Looking
> at the x86-64 assembly output from llc, I can see this is happening
>