Displaying 2 results from an estimated 2 matches for "62e1a0f5".
2015 Nov 10
2
[RFC] A new intrinsic, `llvm.blackbox`, to explicitly prevent constprop, die, etc optimizations
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2015 Nov 10
2
[RFC] A new intrinsic, `llvm.blackbox`, to explicitly prevent constprop, die, etc optimizations
On Fri, 06 Nov 2015 09:27:32 -0800, Daniel Berlin via llvm-dev wrote:
<snip>
>
> Great!
>
> You should then test that this happens, and additionally write a test
> that can't be optimized away, since the above is apparently not a useful
> microbenchmark for anything but the compiler ;-)
>
> Seriously though, there are basically three cases (with a bit of
>