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...16ISelLowering.cpp and create a real test case for this. For now this test code shows how this feature can work for other ports like Arm than have a similar need. -------------- next part -------------- diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index e3e5737..e45b792 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -958,6 +958,14 @@ protected: RegClassForVT[VT.SimpleTy] = RC; } + /// clearRegisterClasses - remove all register classes + void clearRegisterClasses() { + for (unsigned i = 0 ; i&...