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Hi John, What targer are you trying to compile this for? I imagine this is just a case of using an X86 intrinsic on a non-X86 back end. Or is this an intrinsic you added and didn't provide a selection pattern for? In any case, this intrinsic makes it into the selection DAG and the instruction selector tries to select a sequence of instructions for it. However, it fails to find a pattern that

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Hello, I’m not sure if this is the right place to ask beginner questions. If not, please direct me to the appropriate place. I’m writing my first llvm program and I’m trying to call an intrinsic, but failing. So far this is what I have: declare ccc i32 @llvm.x86.bmi.pdep.32(i32, i32) @.str2 = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 declare i32 @printf(i8*, ...)