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

[Dean Michael Berris via Phabricator via llvm-commits]

dberris updated this revision to Diff 126309.
dberris added a comment.
Herald added a subscriber: hiraditya.

- fixup: only stash r10 and r11 when calling __xray_CustomEvent
- fixup: mark that no registers are preserved by the call to the intrinsic


https://reviews.llvm.org/D40894

Files:
  compiler-rt/lib/xray/xray_trampoline_x86_64.S
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/include/llvm/IR/Intrinsics.td
  llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
  llvm/lib/CodeGen/TargetLoweringBase.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp

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