[PATCH] D24986: [MS] Implement __iso_volatile loads/stores as builtins

[David Majnemer via cfe-commits]

majnemer accepted this revision.
majnemer added a comment.
This revision is now accepted and ready to land.

LGTM



> ms-volatile-arm.c:2
> +// REQUIRES: arm-registered-target
> +// RUN: %clang_cc1 -triple thumbv7-win32 -emit-llvm -fms-extensions -fms-volatile -o - < %s | FileCheck %s
> +

You don't need -fms-volatile.

https://reviews.llvm.org/D24986