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...y that kernel. Since OpenCL will make all functions called by kernels inline, I can use function attribute: Noinline to distinguish them. Sorry for bothering you. Antony Yu -- View this message in context: http://llvm.1065342.n5.nabble.com/About-writing-a-modulePass-in-addPreEmitPass-for-NVPTX-tp58701p58839.html Sent from the LLVM - Dev mailing list archive at Nabble.com.

So that's how it is !! Thanks! Hmm, in fact, I want to get Call Graph information in machine code stage, is there any way to get this? I try CallGraph &g= getAnalysis<CallGraph>, but it prints the same error and doesn't work as expected. Antony Yu Justin Holewinski-2 wrote > Sorry for the delay. Yeah, that error message is a bit confusing. What's > happening is

...s called by kernels inline, I can use function attribute: Noinline > to distinguish them. > > Sorry for bothering you. > > Antony Yu > > > > -- > View this message in context: > http://llvm.1065342.n5.nabble.com/About-writing-a-modulePass-in-addPreEmitPass-for-NVPTX-tp58701p58839.html > Sent from the LLVM - Dev mailing list archive at Nabble.com. > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev > -- Thanks, Just...

Sorry for the delay. Yeah, that error message is a bit confusing. What's happening is that your pass sequence is invalid. Once the IR has been lowered to machine code, its too late to run LLVM IR passes (ModulePass, FunctionPass, CallGraphSCCPass, etc.). At that point, you need to run a Machine*Pass, e.g. MachineFunctionPass. If you need to run an IR level pass, you need to use