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1958bc5a
2015 Nov 03
3
[RFC] A new intrinsic, `llvm.blackbox`, to explicitly prevent constprop, die, etc optimizations
On Mon, Nov 2, 2015 at 7:19 PM, Sanjoy Das <sanjoy at playingwithpointers.com>
wrote:
> Why does this need to be an intrinsic (as opposed to generic "unknown
> function" to llvm)?
>
> Secondly, have you looked into a volatile store / load to an alloca? That
> should work with PNaCl and WebAssembly.
>
> E.g.
>
> define i32 @blackbox(i32 %arg) {
>