[all-commits] [llvm/llvm-project] bedb90: [RISCV] Simplify how we find combinable cm.pop+ret...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bedb9077c38cf01a3f9303d68599ea95677be5b7
      https://github.com/llvm/llvm-project/commit/bedb9077c38cf01a3f9303d68599ea95677be5b7
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-03-06 (Thu, 06 Mar 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVPushPopOptimizer.cpp

  Log Message:
  -----------
  [RISCV] Simplify how we find combinable cm.pop+ret. (#130204)

Instead of scanning the whole basic block for a POP, find the RET and
then look backwards for the POP. Using getFirstTerminator, we can do
this with less code and it's probably faster.



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