[PATCH] D65019: [ARM] push LR before __gnu_mcount_nc on ARM

Mon Aug 5 16:06:07 PDT 2019

efriedma added a comment.

> introduce quite some code to the target-independent part of SelectionDAG, specifically SelectionDAGBuilder and SelectionDAG classes

Not sure why you think this would be necessary. Every target has target-specific intrinsics, and we have infrastructure to ensure they don't require any changes to target-independent code.

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Comment at: llvm/lib/Target/ARM/ARMFastISel.cpp:2417
   // Issue the call.
-  unsigned CallOpc = ARMSelectCallOp(UseReg);
+  unsigned CallOpc = ARMSelectCallOp(UseReg, Callee && Callee->getName() == "\01__gnu_mcount_nc");
   MachineInstrBuilder MIB = BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt,
----------------
80 cols

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65019/new/

https://reviews.llvm.org/D65019