[PATCH] D89239: [RISCV][PrologEpilogInserter] "Float" emergency spill slots to avoid making them immediately unreachable from the stack pointer

[Roger Ferrer Ibanez via Phabricator via llvm-commits]

rogfer01 updated this revision to Diff 315634.
rogfer01 added a comment.

ChangeLog:

- Largely simplify the testcase by making a call that uses all the eligible registers forcing the RegisterScavenger to use the emergency spill.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89239/new/

https://reviews.llvm.org/D89239

Files:
  llvm/lib/CodeGen/PrologEpilogInserter.cpp
  llvm/test/CodeGen/AArch64/framelayout-scavengingslot.mir
  llvm/test/CodeGen/AArch64/framelayout-sve-scavengingslot.mir
  llvm/test/CodeGen/AArch64/swiftself-scavenger.ll
  llvm/test/CodeGen/AMDGPU/pei-scavenge-vgpr-spill.mir
  llvm/test/CodeGen/RISCV/out-of-reach-emergency-slot.mir
  llvm/test/CodeGen/Thumb/emergency-spill-slot.ll

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