[PATCH] D40894: [XRay][compiler-rt+llvm] Update XRay trampoline CFI and register stashing semantics

[Eric Christopher via Phabricator via llvm-commits]

echristo added inline comments.


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Comment at: llvm/include/llvm/CodeGen/TargetLowering.h:2541
+                                         MachineBasicBlock *MBB,
+                                         const TargetRegisterInfo *TRI) const;
 };
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AFAICT you don't use TRI in the implementation?


https://reviews.llvm.org/D40894