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On 26 January 2017 at 00:08, Kostya Serebryany via llvm-dev <llvm-dev at lists.llvm.org> wrote: > I want implement an instrumentation that gets the current PC. > On x86_64 I can do it using inline asm (something like "lea (%%rip),%0"), > but I wonder if there is some more LLVM-ish way to do it, e.g. an intrinsic? Hi Kostya, I'd also want something that GCC

.../pipermail/llvm-dev/2014-March/071472.html > > http://lists.llvm.org/pipermail/llvm-dev/2014-March/071530.html > > cheers, > --renato > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170131/fc19ab44/attachment.html>

Hi, I want implement an instrumentation that gets the current PC. On x86_64 I can do it using inline asm (something like "lea (%%rip),%0"), but I wonder if there is some more LLVM-ish way to do it, e.g. an intrinsic? I can only find r208104 which introduces llvm.read_register: http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20140505/215840.html The LangRef says: > Warning: