[LLVMdev] context/scope of instruction

[Christian Jacobs]

Am 20.01.2012 um 18:12 schrieb Devang Patel:

> 
> On Jan 19, 2012, at 10:12 AM, Christian Jacobs wrote:
> 
>> Hello,
>> I need to know how I get the LLVM::IDScope object of an instruction.
>> 
>> My program contains:
>> call void (...)* @commit(), !dbg !16
>> 
>> !16 = metadata !{i32 16, i32 5, metadata !8, null}
>> 
>> !8 = metadata !{i32 589835, metadata !4, i32 10, i32 1, metadata !2, i32 0} ; [ DW_TAG_lexical_block ]
>> 
> 
> !8 is DIScope here (actually it is DILexicalBlock, which is derived from DIScope).

I know. I am writing an LLVM pass and I do not know how I get a hand on the DIScope object.
Which method(s) of the LLVM C++ API do I have to call to get a pointer or reference (!8) to the LLVM::DIScope of an LLVM::Instruction?

Christian