[all-commits] [llvm/llvm-project] 6f5388: [RISCV] Add stack clash vector support (#119458)

[Raphael Moreira Zinsly via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6f53886a9a5e65136619ada7713f31942a1cc1fa
      https://github.com/llvm/llvm-project/commit/6f53886a9a5e65136619ada7713f31942a1cc1fa
  Author: Raphael Moreira Zinsly <rzinsly at ventanamicro.com>
  Date:   2025-01-10 (Fri, 10 Jan 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
    M llvm/lib/Target/RISCV/RISCVFrameLowering.h
    M llvm/lib/Target/RISCV/RISCVInstrInfo.td
    M llvm/test/CodeGen/RISCV/rvv/access-fixed-objects-by-rvv.ll
    A llvm/test/CodeGen/RISCV/rvv/stack-probing-rvv.ll
    M llvm/test/CodeGen/RISCV/stack-clash-prologue.ll

  Log Message:
  -----------
  [RISCV] Add stack clash vector support (#119458)

Use the probe loop structure to allocate vector code in the stack as
well. We add the pseudo instruction RISCV::PROBED_STACKALLOC_RVV to
differentiate from the normal loop.



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