[all-commits] [llvm/llvm-project] 22f635: [LangRef] update according to unwinding support in...

[cynecx via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 22f635b1b31a6bee1b0b8df58d5c8207c835b216
      https://github.com/llvm/llvm-project/commit/22f635b1b31a6bee1b0b8df58d5c8207c835b216
  Author: cynecx <me at cynecx.net>
  Date:   2021-05-31 (Mon, 31 May 2021)

  Changed paths:
    M llvm/docs/LangRef.rst

  Log Message:
  -----------
  [LangRef] update according to unwinding support in inline asm

https://reviews.llvm.org/D95745 introduced a new `unwind` keyword for inline assembler expressions. Inline asms marked with the `unwind` keyword allows stack unwinding from inline assembly because the compiler emits unwinding information ("around" the inline asm) as it would for calls/invokes. Unwinding the stack from within non-unwind inline asm may cause UB.

Reviewed By: Amanieu

Differential Revision: https://reviews.llvm.org/D102642