[all-commits] [llvm/llvm-project] 266c25: [CodeGen] Split determineCalleeSaves into smaller ...

[Mikhail Gudim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 266c25684b32bd43d846f8de1c3a9f358066ffc4
      https://github.com/llvm/llvm-project/commit/266c25684b32bd43d846f8de1c3a9f358066ffc4
  Author: Mikhail Gudim <mgudim at qti.qualcomm.com>
  Date:   2026-07-14 (Tue, 14 Jul 2026)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetFrameLowering.h
    M llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp

  Log Message:
  -----------
  [CodeGen] Split determineCalleeSaves into smaller functions. (#203981)

The function `getMustPreserveRegisters` - returns the list of registers
that must be preserved by the function.

The function `determineUncondPrologCalleeSaves` - determines which of
the registers reported by `getMustPreserveRegisters` must be saved in
prolog and reloaded in epilog regardless of whether or not they were
modified by the function.



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