Displaying 2 results from an estimated 2 matches for "a1e28b00".
2015 Nov 16
2
[RFC] A new intrinsic, `llvm.blackbox`, to explicitly prevent constprop, die, etc optimizations
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2015 Nov 12
3
[RFC] A new intrinsic, `llvm.blackbox`, to explicitly prevent constprop, die, etc optimizations
On Wed, Nov 11, 2015 at 07:14:28PM -0800, Sean Silva via llvm-dev wrote:
> Can you show a real benchmark that users have tried to write where the call
> overhead of actually using an external function call is measurable?
This is the wrong question. The correct question is: What useful
benchmark cannot trivally factor out the overhead of the external
function call. Yes, if you do