[compiler-rt] r292517 - [XRay][Arm] Enable back XRay testing on Arm32 and fix the failing tests

[Hans Wennborg via llvm-commits]

Merged to 4.0 in r293296.

On Thu, Jan 19, 2017 at 12:27 PM, Serge Rogatch via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: rserge
> Date: Thu Jan 19 14:27:11 2017
> New Revision: 292517
>
> URL: http://llvm.org/viewvc/llvm-project?rev=292517&view=rev
> Log:
> [XRay][Arm] Enable back XRay testing on Arm32 and fix the failing tests
>
> Summary:
> Testing of XRay was occasionally disabled on 32-bit Arm targets (someone assumed that XRay was supported on 64-bit targets only). This patch should fix that problem. Also here the instruction&data cache incoherency problem is fixed, because it may be causing a test to fail.
> This patch is one of a series: see also
> - https://reviews.llvm.org/D28624
>
> Reviewers: dberris, rengolin
>
> Reviewed By: rengolin
>
> Subscribers: llvm-commits, aemerson, rengolin, dberris, iid_iunknown
>
> Differential Revision: https://reviews.llvm.org/D28623
>
> Modified:
>     compiler-rt/trunk/lib/xray/xray_arm.cc
>     compiler-rt/trunk/test/xray/lit.cfg