[all-commits] [llvm/llvm-project] 8fbe69: [AArch64] Add streaming-mode stack hazard optimiza...

[Hari Limaye via All-commits]

  Branch: refs/heads/release/19.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 8fbe69a407b2784c7e9d91a3c69daa9786b14391
      https://github.com/llvm/llvm-project/commit/8fbe69a407b2784c7e9d91a3c69daa9786b14391
  Author: Hari Limaye <hari.limaye at arm.com>
  Date:   2024-08-19 (Mon, 19 Aug 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetFrameLowering.h
    M llvm/lib/CodeGen/PrologEpilogInserter.cpp
    M llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
    M llvm/lib/Target/AArch64/AArch64FrameLowering.h
    A llvm/test/CodeGen/AArch64/ssve-stack-hazard-remarks.ll
    M llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll

  Log Message:
  -----------
  [AArch64] Add streaming-mode stack hazard optimization remarks (#101695)

Emit an optimization remark when objects in the stack frame may cause
hazards in a streaming mode function. The analysis requires either the
`aarch64-stack-hazard-size` or `aarch64-stack-hazard-remark-size` flag
to be set by the user, with the former flag taking precedence.

(cherry picked from commit a98a0dcf63f54c54c5601a34c9f8c10cde0162d6)



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