[llvm-dev] Disable ARM specific pass.
Umesh Kalappa via llvm-dev
llvm-dev at lists.llvm.org
Thu May 5 13:51:49 PDT 2016
Thank you Tim,
On Fri, May 6, 2016 at 2:09 AM, Tim Northover <t.p.northover at gmail.com> wrote:
> Hi Umesh,
> On 5 May 2016 at 13:29, Umesh Kalappa via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
>> How do i disable the specific pass "ARMAllocLoadStoreOpt - Post-
>> register allocation pass" from the clang driver.
> There are development options that give some kind of control over
> passes like this "-mllvm -arm-load-store-opt=false" in this case, but
> they're definitely not intended for end-users (we might change or
> remove them at any moment). It's an intentional decision by Clang not
> to expose detailed pass-management.
> If you need to disable that particular pass, the chances are the input
> code has undefined behaviour and is using misaligned pointers.
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