[PATCH] D116766: [SCEV] Sequential/in-order `UMin` expression

Amy Huang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 10 16:51:00 PST 2022


akhuang added a comment.

Hi, this change caused clang to crash in chromium arm builds; could you take a look?

reduced repro

  $ cat t.c
  int a, b;
  int c() {
    int d;
    while (a) {
      int e, f;
      for (; e && d; ++e) {
        g();
        ++d;
      }
      for (; f < e; ++f)
        if (b)
          return 0;
    }
  }
  $ clang -cc1 -triple thumbv7-unknown-linux-android23 -S -Oz t.c

Thanks!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116766/new/

https://reviews.llvm.org/D116766



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