================ @@ -185,6 +185,48 @@ class LLVM_ABI TargetSubtargetInfo : public MCSubtargetInfo { return false; } + /// Returns true if CopyMI can be lowered to a zero cycle register move. ---------------- arsenm wrote:
Can you avoid adding new hooks for this? Isn't this inferable from the sched model? Plus plenty of places essentially treat copy as free anyway (e.g. isTransient) https://github.com/llvm/llvm-project/pull/148428 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits