[LLVMdev] RFC: Constant Hoisting

Matt Godbolt matt at godbolt.org
Tue Feb 3 11:17:43 PST 2015


Hi all,

For what it's worth you can click the "Permalink" button to get a short-URL
version that encodes all the compiler settings and the source itself. For
example: http://goo.gl/T1ZrQm

-matt

On Tue, Feb 3, 2015 at 12:53 PM, Chris Sears <chris.sears at gmail.com> wrote:

> BTW, Matt showed me that I can select 3.4.1 and set the compile line to
>
> http://gcc.godbolt.org/
>
> -O3 -emit-llvm
>
>
> to get the old IR. See attached. It's clean (except for bug #2). So 3.4.1
> generates good IR and assembly and 3.5 generates good IR and bad assembly.
>
> _______________________________________________
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>
>


-- 
Matt
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