https://bugs.llvm.org/show_bug.cgi?id=40794
Bug ID: 40794
Summary: LLVM fence lowering is not supported
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: WebAssembly
Assignee: unassignedb...@nondot.org
Reporter: ahee...@gmail.com
CC: llvm-bugs@lists.llvm.org
LLVM's 'fence' instruction lowering is not supported in WebAssembly even with
-mattr=+atomics option on.
A CL (https://reviews.llvm.org/D50277) has been proposed, but we have not yet
reached a decision on what should we lower them to. This is a tracking bug for
this.
Previous discussion thread:
https://github.com/WebAssembly/tool-conventions/issues/59
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