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Simon Tatham fa3bb1ebe7 [ARM,MVE] Add predicated intrinsics for many unary functions. 
Summary:
This commit adds the predicated MVE intrinsics for the same set of
unary operations that I added in their unpredicated forms in

* D74333 (vrint)
* D74334 (vrev)
* D74335 (vclz, vcls)
* D74336 (vmovl)
* D74337 (vmovn)

but since the predicated versions are a lot more similar to each
other, I've kept them all together in a single big patch. Everything
here is done in the standard way we've been doing other predicated
operations: an IR intrinsic called `@llvm.arm.mve.foo.predicated` and
some isel rules that match that alongside whatever they accept for the
unpredicated version of the same instruction.

In order to write the isel rules conveniently, I've refactored the
existing isel rules for the affected instructions into multiclasses
parametrised by a vector-type class, in the usual way. All those
refactorings are intended to leave the existing isel rules unchanged:
the only difference should be that new ones for the predicated
intrinsics are introduced.

The only tiny infrastructure change I needed in this commit was to
change the implementation of `IntrinsicMX` in `arm_mve_defs.td` so
that the records it defines are anonymous rather than named (and use
`NameOverride` to set the output intrinsic name), which allows me to
call it twice in two multiclasses with the same `NAME` without a
tablegen-time error.

Reviewers: dmgreen, MarkMurrayARM, miyuki, ostannard

Reviewed By: MarkMurrayARM

Subscribers: kristof.beyls, hiraditya, cfe-commits, llvm-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D75165
2020-02-26 15:12:07 +00:00
benchmarks
bindings [LLVM-C] Add bindings for addCoroutinePassesToExtensionPoints 2020-02-24 20:15:51 +01:00
cmake Add llvm-cov to LLVM_TOOLCHAIN_TOOLS 2020-02-25 10:59:55 +01:00
docs [docs][llvm-objcopy][llvm-strip] Move --wildcard description earlier 2020-02-26 10:51:17 +00:00
examples [ORC][examples] Fix ThinLtoJIT example after changes in 85fb997659b. 2020-02-20 11:15:08 -08:00
include [ARM,MVE] Add predicated intrinsics for many unary functions. 2020-02-26 15:12:07 +00:00
lib [ARM,MVE] Add predicated intrinsics for many unary functions. 2020-02-26 15:12:07 +00:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [runtimes] Add umbrella targets for runtimes 2020-02-12 09:46:14 -08:00
test [ARM,MVE] Add predicated intrinsics for many unary functions. 2020-02-26 15:12:07 +00:00
tools [Assembler] Allow assembling empty index with non-zero flags 2020-02-26 16:34:11 +03:00
unittests [ORC] Remove the JITDylib::SymbolTableEntry::isInMaterializingState() method. 2020-02-25 16:44:12 -08:00
utils [gn build] re-"gn format" all gn files 2020-02-26 08:38:34 -05:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore Continue removing llgo. 2020-02-10 10:33:58 -08:00
CMakeLists.txt [AIX] Improve 32/64-bit build configuration 2020-02-20 15:41:00 -05:00
CODE_OWNERS.TXT Remove myself from CODE_OWNERS. 2020-02-25 11:59:29 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Test commit. 2019-10-03 14:57:49 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

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