[all-commits] [llvm/llvm-project] c3a68c: [SROA] Bail out on PHIs in catchswitch BBs

[Heejin Ahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c3a68c5d63c6b9b707ff730a8520f3f5fd1e66f4
      https://github.com/llvm/llvm-project/commit/c3a68c5d63c6b9b707ff730a8520f3f5fd1e66f4
  Author: Heejin Ahn <aheejin at gmail.com>
  Date:   2022-01-14 (Fri, 14 Jan 2022)

  Changed paths:
    M llvm/lib/Transforms/Scalar/SROA.cpp
    A llvm/test/Transforms/SROA/phi-catchswitch.ll

  Log Message:
  -----------
  [SROA] Bail out on PHIs in catchswitch BBs

In the process of rewriting `alloca`s and `phi`s that use them, the SROA
pass can try to insert a non-PHI instruction by calling
`getFirstInsertionPt()`, which is not possible in a catchswitch BB. This
CL makes we bail out on these cases.

Reviewed By: dschuff

Differential Revision: https://reviews.llvm.org/D117168