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198 Commits

Author SHA1 Message Date
Krzysztof Parzyszek a0ea73c9af [scan-build] fix dead store warnings emitted on LLVM Hexagon code base 
Patch by Apelete Seketeli.

Differential Revision: http://reviews.llvm.org/D19900

llvm-svn: 269415
 2016-05-13 13:13:59 +00:00
Krzysztof Parzyszek e737b86f8c [Hexagon] Handle double-vector registers as new-value producers 
Patch by Colin LeMahieu.

llvm-svn: 267897
 2016-04-28 15:54:48 +00:00
Colin LeMahieu a3782da3e3 [Hexagon] Merging nops in to previous packet rather than always creating a new one. 
llvm-svn: 267798
 2016-04-27 21:37:44 +00:00
Krzysztof Parzyszek 3e28229000 [Hexagon] Few fixes for exception handling 
llvm-svn: 267469
 2016-04-25 21:05:19 +00:00
Krzysztof Parzyszek e6ee481bdf [Hexagon] Correctly set "Flags" in ELF header 
llvm-svn: 267397
 2016-04-25 12:49:47 +00:00
Craig Topper 855d182656 Fix a couple assertions that can never fire because they just contained the text string which always evaluates to true. Add a ! so they'll evaluate to false. 
llvm-svn: 267312
 2016-04-24 02:01:25 +00:00
Krzysztof Parzyszek 64d4e2bc0d [Hexagon] Add -mv.. options to override CPU selection 
This is for compatibility with scripts that use -mv5, etc. with the
assembler.

llvm-svn: 266918
 2016-04-20 21:17:40 +00:00
Krzysztof Parzyszek 5626703837 [Hexagon] Fix handling of lcomm directive 
Patch by Colin LeMahieu.

llvm-svn: 266882
 2016-04-20 15:54:13 +00:00
Mehdi Amini b550cb1750 [NFC] Header cleanup 
Removed some unused headers, replaced some headers with forward class declarations.

Found using simple scripts like this one:
clear && ack --cpp -l '#include "llvm/ADT/IndexedMap.h"' | xargs grep -L 'IndexedMap[<]' | xargs grep -n --color=auto 'IndexedMap'

Patch by Eugene Kosov <claprix@yandex.ru>

Differential Revision: http://reviews.llvm.org/D19219

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266595
 2016-04-18 09:17:29 +00:00
Krzysztof Parzyszek b14f4fd0de [Hexagon] Add handling fixups and instruction relaxation 
llvm-svn: 263981
 2016-03-21 20:27:17 +00:00
Krzysztof Parzyszek c6f1e1a709 [Hexagon] Properly encode registers in duplex instructions 
llvm-svn: 263980
 2016-03-21 20:13:33 +00:00
Colin LeMahieu 5cb6eea664 [Hexagon] Modifying r262258 to only be in effect in the hand assembler path, not the integrated assembler. 
llvm-svn: 262400
 2016-03-01 21:37:41 +00:00
Colin LeMahieu ab9eca4d9f [Hexagon] As a size optimization, not lazy extending TPREL or DTPREL variants since they're usually in range. 
llvm-svn: 262258
 2016-02-29 21:21:56 +00:00
Colin LeMahieu 9e5a9c32db [Hexagon] Missed member initialization causing ubsan failure. 
llvm-svn: 262252
 2016-02-29 20:42:25 +00:00
Colin LeMahieu b9f1eae328 [Hexagon] Setting sign mismatch flag on expression instead of using bit tricks. 
llvm-svn: 262243
 2016-02-29 19:17:56 +00:00
Colin LeMahieu 73cd686ce1 [Hexagon] Using MustExtend flag on expression instead of passing around bools. 
llvm-svn: 262238
 2016-02-29 18:39:51 +00:00
Chad Rosier c00ab4f27d [Hexagon] Remove redundant check. 
llvm-svn: 261232
 2016-02-18 17:49:57 +00:00
Krzysztof Parzyszek 7a737d1abb [Hexagon] Implement TLS support 
Patch by Anand Kodnani.

llvm-svn: 261218
 2016-02-18 15:42:57 +00:00
Colin LeMahieu 5e552d141f [Hexagon] Replacing reference/dereference with reference cast. 
llvm-svn: 261133
 2016-02-17 18:50:21 +00:00
Benjamin Kramer 98520ca73b [Hexagon] cast<> a reference instead of referencing + dereferencing. 
llvm-svn: 261077
 2016-02-17 09:28:45 +00:00
Colin LeMahieu ecef1d9cbc [Hexagon] Adding relocation for code size, cold path optimization allowing a 23-bit 4-byte aligned relocation to be a valid instruction encoding. 
The usual way to get a 32-bit relocation is to use a constant extender which doubles the size of the instruction, 4 bytes to 8 bytes.

Another way is to put a .word32 and mix code and data within a function.  The disadvantage is it's not a valid instruction encoding and jumping over it causes prefetch stalls inside the hardware.

This relocation packs a 23-bit value in to an "r0 = add(rX, #a)" instruction by overwriting the source register bits.  Since r0 is the return value register, if this instruction is placed after a function call which return void, r0 will be filled with an undefined value, the prefetch won't be confused, and the callee can access the constant value by way of the link register.

llvm-svn: 261006
 2016-02-16 20:38:17 +00:00
Benjamin Kramer 986a49b036 [Hexagon] Hoist nonnull assert up. 
Once a pointer is turned into a reference it cannot be nullptr, clang
rightfully warns about this assert being a tautology. Put the assert
before the reference is created.

llvm-svn: 260949
 2016-02-16 09:53:47 +00:00
Colin LeMahieu c7b2124d49 [NFC] Fixing naming convention, lowercase start of function name. 
llvm-svn: 260903
 2016-02-15 18:47:55 +00:00
Colin LeMahieu 98c8e070b9 [Hexagon] Wrapping all MCExprs inside MCOperands within HexagonMCExpr to simplify handling and allow flags on the expression. 
llvm-svn: 260902
 2016-02-15 18:42:07 +00:00
Colin LeMahieu 0e05192d49 [MC] Merge VK_PPC_TPREL in to generic VK_TPREL. 
Differential Revision: http://reviews.llvm.org/D17038

llvm-svn: 260401
 2016-02-10 18:32:01 +00:00
Colin LeMahieu 1c79d9be6e [Hexagon] Fixing relocation generation and adding tests. 
llvm-svn: 260259
 2016-02-09 19:18:02 +00:00
Chris Bieneman e49730d4ba Remove autoconf support 
Summary:
This patch is provided in preparation for removing autoconf on 1/26. The proposal to remove autoconf on 1/26 was discussed on the llvm-dev thread here: http://lists.llvm.org/pipermail/llvm-dev/2016-January/093875.html

"I felt a great disturbance in the [build system], as if millions of [makefiles] suddenly cried out in terror and were suddenly silenced. I fear something [amazing] has happened."
- Obi Wan Kenobi

Reviewers: chandlerc, grosbach, bob.wilson, tstellarAMD, echristo, whitequark

Subscribers: chfast, simoncook, emaste, jholewinski, tberghammer, jfb, danalbert, srhines, arsenm, dschuff, jyknight, dsanders, joker.eph, llvm-commits

Differential Revision: http://reviews.llvm.org/D16471

llvm-svn: 258861
 2016-01-26 21:29:08 +00:00
Rafael Espindola 8340f94df1 Convert a few assert failures into proper errors. 
Fixes PR25944.

llvm-svn: 257697
 2016-01-13 22:56:57 +00:00
Krzysztof Parzyszek bc17b68a47 [Hexagon] Add check for nullptr in getFixupNoBits 
llvm-svn: 257338
 2016-01-11 15:51:53 +00:00
Tobias Edler von Koch ccd3bfc3c8 [Hexagon] Replace a static member variable in HexagonCVIResource (NFC) 
This creates one instance of TUL per HexagonShuffler, which avoids thread-safety
issues with future changes.

llvm-svn: 257215
 2016-01-08 22:07:25 +00:00
Krzysztof Parzyszek 21dc8bdd9e [Hexagon] Add PIC support 
llvm-svn: 256025
 2015-12-18 20:19:30 +00:00
Krzysztof Parzyszek 759a7d0ed7 [Hexagon] Subtarget features/default CPU corrections 
llvm-svn: 255501
 2015-12-14 15:03:54 +00:00
Craig Topper 15576e1c8f Use make_range to reduce mentions of iterator type. NFC 
llvm-svn: 254872
 2015-12-06 05:08:07 +00:00
Craig Topper 5c32279bee [Hexagon] Don't call getNumImplicitDefs and then iterate over the count. getNumImplicitDefs contains a loop so its better to just loop over the null terminated implicit def list. NFC 
llvm-svn: 254852
 2015-12-05 17:34:07 +00:00
Craig Topper e5e035a3a8 Replace uint16_t with the MCPhysReg typedef in many places. A lot of physical register arrays already use this typedef. 
llvm-svn: 254843
 2015-12-05 07:13:35 +00:00
Colin LeMahieu 15ca65c253 [Hexagon] Adding shuffling resources for HVX instructions and tests for instruction encodings. 
llvm-svn: 254652
 2015-12-03 21:44:28 +00:00
Krzysztof Parzyszek 25ddd2c9e8 [Hexagon] Fix instruction descriptor flags for memory access size 
llvm-svn: 254613
 2015-12-03 15:41:33 +00:00
Craig Topper ddc76f2bed [Hexagon] Use std::begin() and std::end() instead of doing the same manually. NFC 
llvm-svn: 254385
 2015-12-01 06:13:10 +00:00
Colin LeMahieu e6241798c9 [Hexagon] NFC Reordering headers. 
llvm-svn: 254307
 2015-11-30 17:32:34 +00:00
Krzysztof Parzyszek b9a1c3a32c [Hexagon] Bring HexagonInstrInfo up to date 
llvm-svn: 253986
 2015-11-24 14:55:26 +00:00
Tilmann Scheller bfd7ce01ea [Hexagon] Remove redundant local variable. 
Identified by the Clang static analyzer.

llvm-svn: 253660
 2015-11-20 12:10:17 +00:00
Colin LeMahieu 655489433c [Hexagon] Fixing memory leak during relaxation by allocating MCInst in MCContext. 
llvm-svn: 253090
 2015-11-13 21:45:50 +00:00
Colin LeMahieu f0af6e5243 [Hexagon] Factoring bundle creation in to a utility function. 
llvm-svn: 253056
 2015-11-13 17:42:46 +00:00
Colin LeMahieu b3c97271e3 [Hexagon] Fixing leak in padEndloop by allocating in MCContext. 
llvm-svn: 253019
 2015-11-13 07:58:06 +00:00
Colin LeMahieu 8bb168b160 [Hexagon] Adding relaxation functionality to backend and test. 
llvm-svn: 252989
 2015-11-13 01:12:25 +00:00
Benjamin Kramer 7c576d8bcf [Hexagon] Allocate MCInst in the MCContext to avoid leaking it. 
Found by leaksanitizer.

llvm-svn: 252931
 2015-11-12 19:30:40 +00:00
Colin LeMahieu 13cc3ab785 [Hexagon] Fixing compound register printing and reenabling more tests. 
llvm-svn: 252574
 2015-11-10 00:51:56 +00:00
Colin LeMahieu b7a5f9fc29 [Hexagon] Fixing store instructions and reenabling a few more tests. 
llvm-svn: 252561
 2015-11-10 00:22:00 +00:00
Colin LeMahieu 8ab7e8e1b5 [Hexagon] Fixing load instruction parsing and reenabling tests. 
llvm-svn: 252555
 2015-11-10 00:02:27 +00:00
Reid Kleckner 390191dacc [Hexagon] Fix -Wmicrosoft-enum-value warning with explicit enum type 
llvm-svn: 252505
 2015-11-09 19:44:38 +00:00