[all-commits] [llvm/llvm-project] 7605ca: StackProtector: ignore debug insts when splitting ...

Tim Northover via All-commits all-commits at lists.llvm.org
Fri Feb 11 02:14:02 PST 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7605ca85f1a8e4e61e7de98856630d67da11aaae
  Author: Tim Northover <tnorthover at apple.com>
  Date:   2022-02-11 (Fri, 11 Feb 2022)

  Changed paths:
    M llvm/lib/CodeGen/CodeGenCommonISel.cpp
    A llvm/test/CodeGen/AArch64/tailcall-ssp-split-debug.ll

  Log Message:
  StackProtector: ignore debug insts when splitting blocks.

When deciding where to split a block to insert stack guard checks, we should
move past any debug instructions we see that might (e.g.) be separating a tail
call from its frame wrangling.

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