[llvm-dev] What does "preds" mean in a .ll file?

[Bhatu via llvm-dev]

It's a list of all the predecessor basic blocks for this particular basic
block.

On Sat, Jan 19, 2019 at 12:27 PM Peng Yu via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
>
> I see things like this. What does it mean? Is it documented somewhere?
> Thanks.
>
> ; preds = %for.body
>
> https://llvm.org/docs/LangRef.html
>
> ; <label>:91:                                     ; preds = %88
>   %92 = load i8**, i8*** @glob_complete_word.matches, align 8, !dbg !99798
>   %93 = load i32, i32* @glob_complete_word.ind, align 4, !dbg !99799
>   %94 = sext i32 %93 to i64, !dbg !99798
>   %95 = getelementptr inbounds i8*, i8** %92, i64 %94, !dbg !99798
>   %96 = load i8*, i8** %95, align 8, !dbg !99798
>   br label %98, !dbg !99797
>
> ; <label>:97:                                     ; preds = %88
>   br label %98, !dbg !99797
>
>
> --
> Regards,
> Peng
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
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>


-- 
Regards
Bhatu
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