Hi, I'm also working on a tool in which I'd like to know the instruction PCs. So for now, the intrinsic is still not supported on x86? -Ang -- View this message in context: http://llvm.1065342.n5.nabble.com/State-of-llvm-pcmarker-Intrinsic-tp31677p46619.html Sent from the LLVM - Dev mailing list archive at Nabble.com.