[all-commits] [llvm/llvm-project] 566fbb: [RISCV] Defer creating RISCVInsertVSETVLI to avoid...

[Luke Lau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 566fbb450092bf8c9f966a6ab1b0381626e3e535
      https://github.com/llvm/llvm-project/commit/566fbb450092bf8c9f966a6ab1b0381626e3e535
  Author: Luke Lau <luke at igalia.com>
  Date:   2024-05-16 (Thu, 16 May 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCV.h
    M llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
    M llvm/lib/Target/RISCV/RISCVTargetMachine.cpp

  Log Message:
  -----------
  [RISCV] Defer creating RISCVInsertVSETVLI to avoid leak with -stop-after (#92303)

As noted in
https://github.com/llvm/llvm-project/pull/91440#discussion_r1601976425,
if the pass pipeline stops early because of -stop-after any allocated
passes added with insertPass will not be freed if they haven't already
been added.

This was showing up as a failure on the address sanitizer buildbots. We
can fix it by instead passing the pass ID instead so that allocation is
deferred.



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