[LLVMdev] State of 'llvm.pcmarker' Intrinsic

Andrew Lenharth andrewl at lenharth.org
Sat Jun 23 13:45:38 PDT 2012

On Sat, Jun 23, 2012 at 3:39 PM, ihcinihsdk <ali28 at wisc.edu> wrote:

> Hi Andrew,
> So do you know on which architectures is this intrinsic implemented? Thank
> you!

It had been implemented on the alpha.  I don't know that any other
architecture supported it.  It was a low impact way of communicating
sub-function regions with analysis and simulation tools without inhibiting
or being destroyed by optimization.

> -Ang
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