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Simon Tatham 28c5d97bee [ARM,MVE] Add intrinsics and isel for MVE integer VMLA. 
Summary:
These instructions compute multiply+add in integers, with one of the
operands being a splat of a scalar. (VMLA and VMLAS differ in whether
the splat operand is a multiplier or the addend.)

I've represented these in IR using existing standard IR operations for
the unpredicated forms. The predicated forms are done with target-
specific intrinsics, as usual.

When operating on n-bit vector lanes, only the bottom n bits of the
i32 scalar operand are used. So we have to tell that to isel lowering,
to allow it to remove a pointless sign- or zero-extension instruction
on that input register. That's done in `PerformIntrinsicCombine`, but
first I had to enable `PerformIntrinsicCombine` for MVE targets
(previously all the intrinsics it handled were for NEON), and make it
a method of `ARMTargetLowering` so that it can get at
`SimplifyDemandedBits`.

Reviewers: dmgreen, MarkMurrayARM, miyuki, ostannard

Reviewed By: dmgreen

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

Tags: #clang

Differential Revision: https://reviews.llvm.org/D76122
 		2020-03-18 10:55:04 +00:00
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ARCMT
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AST [OPENMP50]Mark expression in detach clause as firstprivate. 2020-03-17 14:05:13 -04:00
ASTMerge
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Analysis Add triple for non-x86 environments. 2020-03-10 15:26:03 -07:00
CXX Add a test triple to avoid failure under MS ABI. 2020-03-12 16:44:09 -07:00
ClangScanDeps [clang][clang-scan-deps] Aggregate the full dependency information. 2020-01-23 16:58:50 -08:00
CodeCompletion Another fix for 7d91633a2b 2020-02-19 17:15:11 -05:00
CodeGen [ARM,MVE] Add intrinsics and isel for MVE integer VMLA. 2020-03-18 10:55:04 +00:00
CodeGenCUDA [HIP] Let clang recognize .hip extension 2020-03-17 11:22:55 -04:00
CodeGenCXX Disable loader-uninitialized tests on Windows 2020-03-17 23:33:12 +00:00
CodeGenCoroutines [Coroutines] Do not evaluate InitListExpr of a co_return 2020-03-16 12:42:44 +08:00
CodeGenHIP Don't dump IR output from this test to stdout. 2020-01-16 19:19:45 -08:00
CodeGenObjC Fix conflict value for metadata "Objective-C Garbage Collection" in the mix of swift and Objective-C bitcode 2020-03-11 13:26:06 -07:00
CodeGenObjCXX Fix the type of the capture passed to LambdaIntroducer::addCapture in 2020-03-09 12:25:28 -07:00
CodeGenOpenCL Recommit #2 "[Driver] Default to -fno-common for all targets" 2020-03-09 19:57:03 +00:00
CodeGenOpenCLCXX
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Coverage
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CoverageMapping Reland: [Coverage] Revise format to reduce binary size 2020-02-28 18:12:04 -08:00
Driver [HIP] Let clang recognize .hip extension 2020-03-17 11:22:55 -04:00
FixIt [objc_direct] Small updates to help with adoption. 2020-02-16 16:32:41 -08:00
Format
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Frontend Recommit #2 "[Driver] Default to -fno-common for all targets" 2020-03-09 19:57:03 +00:00
Headers [ARM,CDE] Generalize MVE intrinsics infrastructure to support CDE 2020-03-10 14:03:16 +00:00
Import [CodeGen] Emit destructor calls to destruct compound literals 2020-03-10 14:08:28 -07:00
Index [Index/USRGeneration] Make sure that ObjC properties in categories also get namescoped properly for USR generation 2020-03-07 15:07:37 -08:00
Integration
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InterfaceStubs [clang][IFS][test] Temporary work around for in-process cc1 ASAN issues. 2020-01-21 22:56:20 -05:00
Layout
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Lexer Add -std=c++20 flag, replace C++2a with C++20 throughout the Clang 2020-02-18 16:16:37 -08:00
Misc [Clang] Undef attribute for global variables 2020-03-17 21:22:23 +00:00
Modules Revert "[modules] Do not cache invalid state for modules that we attempted to load." 2020-03-10 10:59:26 -07:00
OpenMP [OPENMP50]Mark expression in detach clause as firstprivate. 2020-03-17 14:05:13 -04:00
PCH [clang] Prune 'IsOMPStructuredBlock' Stmt bit 2020-03-12 14:48:57 +03:00
Parser [clang] Fix crash on visiting null nestedNameSpecifier. 2020-03-18 09:15:02 +01:00
Preprocessor [ARM,CDE] Implement CDE feature test macros 2020-03-09 16:14:06 +00:00
Profile Reland: [Coverage] Revise format to reduce binary size 2020-02-28 18:12:04 -08:00
Refactor
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Rewriter
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Sema [Clang] Undef attribute for global variables 2020-03-17 21:22:23 +00:00
SemaCUDA Revert "[CUDA][HIP][OpenMP] Emit deferred diagnostics by a post-parsing AST travese" 2020-02-18 14:45:34 -05:00
SemaCXX PR45133: Don't crash if the active member of a union changes while it's 2020-03-17 20:37:14 -07:00
SemaObjC [CodeGen] Emit destructor calls to destruct compound literals 2020-03-10 14:08:28 -07:00
SemaObjCXX [Sema][C++] Propagate conversion kind to specialize the diagnostics 2020-02-25 16:05:37 +00:00
SemaOpenCL [Sema][C++] Propagate conversion kind to specialize the diagnostics 2020-02-25 16:05:37 +00:00
SemaOpenCLCXX [OpenCL] Restrict addr space conversions in nested pointers 2020-02-07 12:04:35 +00:00
SemaSYCL [SYCL] Driver option to select SYCL version 2020-03-07 18:28:54 +03:00
SemaTemplate PR45207: Fix crash if constrained-type-specifier annotation forms a 2020-03-17 13:18:23 -07:00
TableGen
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Templight
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Tooling [PowerPC] Delete PPCMachObjectWriter and powerpc{,64}-apple-darwin 2020-03-05 11:05:26 -08:00
Unit
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VFS [VFS] More consistent support for Windows 2020-02-05 11:38:20 -08:00
clang-rename [clang-rename] Fix the failure rename test. 2020-02-11 10:07:00 +01:00
utils/update_cc_test_checks Move update_cc_test_checks.py tests to clang 2020-02-14 14:39:55 +00:00
.clang-format
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CMakeLists.txt Revert abb00753 "build: reduce CMake handling for zlib" (PR44780) 2020-03-03 11:03:09 +01:00
TestRunner.sh
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cxx-sections.data
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lit.cfg.py Quote a python executable path 2020-03-04 15:23:48 +00:00
lit.site.cfg.py.in Revert abb00753 "build: reduce CMake handling for zlib" (PR44780) 2020-03-03 11:03:09 +01:00
make_test_dirs.pl
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