Changes

[lldb] Added test for objc_direct calls with categories
As pointed out in D71694 this wasn't tested before in LLDB.

[clang][Tooling] Prefer -x over -std when interpolating
Summary: Currently interpolation logic prefers -std over -x. But the
latter is a more strong signal, so this patch inverts the order and only
makes use of -std if -x didn't exist.
Fixes https://github.com/clangd/clangd/issues/185
Thanks @sammccall for tracking this down!
Reviewers: sammccall
Subscribers: ilya-biryukov, usaxena95, cfe-commits, sammccall
Tags: #clang
Differential Revision: https://reviews.llvm.org/D71727

[AArch64][SVE] Add intrinsics for binary narrowing operations
Summary: The following intrinsics for binary narrowing shift righ
operations are added:
 * @llvm.aarch64.sve.shrnb
 * @llvm.aarch64.sve.uqshrnb
 * @llvm.aarch64.sve.sqshrnb
 * @llvm.aarch64.sve.sqshrunb
 * @llvm.aarch64.sve.uqrshrnb
 * @llvm.aarch64.sve.sqrshrnb
 * @llvm.aarch64.sve.sqrshrunb
 * @llvm.aarch64.sve.shrnt
 * @llvm.aarch64.sve.uqshrnt
 * @llvm.aarch64.sve.sqshrnt
 * @llvm.aarch64.sve.sqshrunt
 * @llvm.aarch64.sve.uqrshrnt
 * @llvm.aarch64.sve.sqrshrnt
 * @llvm.aarch64.sve.sqrshrunt
Reviewers: sdesmalen, rengolin, efriedma
Reviewed By: efriedma
Subscribers: tschuett, kristof.beyls, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D71552

Recommit "[AArch64][SVE] Add permutation and selection intrinsics"
Recommit 23c28c40436143006be740533375c036d11c92cd (reverted in 
dcb48f50bdfa0fa47b62d089b6ed999d857fc9f8) with a fix for an assert
"Request for a fixed size on a scalable object" being triggered in
`LowerSVEIntrinsicEXT`. The fix is to call `getKnownMinSize` on the 
TypeSize object.

[AArch64][SVE] Add intrnisics for saturating scalar arithmetic
Summary: The following intrnisics are added:
 * @llvm.aarch64.sve.sqdec{b|h|w|d|p}
 * @llvm.aarch64.sve.sqinc{b|h|w|d|p}
 * @llvm.aarch64.sve.uqdec{b|h|w|d|p}
 * @llvm.aarch64.sve.uqinc{b|h|w|d|p}
For every intrnisic there a scalar variants (with n32 or n64 suffix) and 
vector variants (no suffix).
Reviewers: sdesmalen, rengolin, efriedma
Reviewed By: sdesmalen, efriedma
Subscribers: eli.friedman, tschuett, kristof.beyls, hiraditya, rkruppe,
psnobl, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D71252