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Author SHA1 Message Date
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo 
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
 2019-01-19 08:50:56 +00:00
Reid Kleckner 4af6025f09 [Hexagon] Remove unintended fallthrough from MC duplex code 
I added these annotations in r345878 because I wasn't sure if the
fallthrough was intended. Krzysztof Parzyszek confirmed that they should
be breaks, so that's what this patch does.

Reviewers: kparzysz

Differential Revision: https://reviews.llvm.org/D53991

llvm-svn: 345883
 2018-11-01 19:59:27 +00:00
Reid Kleckner bebc53f838 Annotate possibly unintended fallthroughs in Hexagon MC code, NFC 
Clang's -Wimplicit-fallthrough check fires on these switch cases. GCC
does not warn when a case body that ends in a switch falls through to a
case label of an outer switch.

It's not clear if these fall throughs are truly intended.  The Hexagon
tests pass regardless of whether these case blocks fall through or
break.

For now, I have applied the intended fallthrough annotation macro with a
FIXME comment to unblock enabling the warning. I will send a follow-up
patch that converts them to breaks to the Hexagon maintainers.

llvm-svn: 345878
 2018-11-01 19:32:04 +00:00
Krzysztof Parzyszek 6bfc6577f2 [Hexagon] Remove support for V4 
llvm-svn: 344791
 2018-10-19 17:31:11 +00:00
Nicola Zaghen d34e60ca85 Rename DEBUG macro to LLVM_DEBUG. 
The DEBUG() macro is very generic so it might clash with other projects.
The renaming was done as follows:
- git grep -l 'DEBUG' | xargs sed -i 's/\bDEBUG\s\?(/LLVM_DEBUG(/g'
- git diff -U0 master | ../clang/tools/clang-format/clang-format-diff.py -i -p1 -style LLVM
- Manual change to APInt
- Manually chage DOCS as regex doesn't match it.

In the transition period the DEBUG() macro is still present and aliased
to the LLVM_DEBUG() one.

Differential Revision: https://reviews.llvm.org/D43624

llvm-svn: 332240
 2018-05-14 12:53:11 +00:00
Krzysztof Parzyszek 9315c0de9b [Hexagon] Fix fall-through warnings in HexagonMCDuplexInfo.cpp 
llvm-svn: 328021
 2018-03-20 19:23:18 +00:00
Krzysztof Parzyszek a8ab1b75cb [Hexagon] Add support for Hexagon V65 
llvm-svn: 320404
 2017-12-11 18:57:54 +00:00
Francis Visoiu Mistrih a8a83d150f [CodeGen] Use MachineOperand::print in the MIRPrinter for MO_Register. 
Work towards the unification of MIR and debug output by refactoring the
interfaces.

For MachineOperand::print, keep a simple version that can be easily called
from `dump()`, and a more complex one which will be called from both the
MIRPrinter and MachineInstr::print.

Add extra checks inside MachineOperand for detached operands (operands
with getParent() == nullptr).

https://reviews.llvm.org/D40836

* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/kill: ([^ ]+) ([^ ]+)<def> ([^ ]+)/kill: \1 def \2 \3/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/kill: ([^ ]+) ([^ ]+) ([^ ]+)<def>/kill: \1 \2 def \3/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/kill: def ([^ ]+) ([^ ]+) ([^ ]+)<def>/kill: def \1 \2 def \3/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/<def>//g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<kill>/killed \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-use,kill>/implicit killed \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<dead>/dead \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<def[ ]*,[ ]*dead>/dead \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-def[ ]*,[ ]*dead>/implicit-def dead \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-def>/implicit-def \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-use>/implicit \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<internal>/internal \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<undef>/undef \1/g'

llvm-svn: 320022
 2017-12-07 10:40:31 +00:00
Francis Visoiu Mistrih 9d7bb0cb40 [CodeGen] Print register names in lowercase in both MIR and debug output 
As part of the unification of the debug format and the MIR format,
always print registers as lowercase.

* Only debug printing is affected. It now follows MIR.

Differential Revision: https://reviews.llvm.org/D40417

llvm-svn: 319187
 2017-11-28 17:15:09 +00:00
Eugene Zelenko 52889219ef [Hexagon] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 
llvm-svn: 309746
 2017-08-01 21:20:10 +00:00
Krzysztof Parzyszek f63ad39e7d [Hexagon] Handle a global operand to A2_addi when creating duplexes 
llvm-svn: 306012
 2017-06-22 15:53:31 +00:00
Krzysztof Parzyszek 8cdfe8ecf3 [Hexagon] Update MCTargetDesc 
Changes include:
- Updates to the instruction descriptor flags.
- Improvements to the packet shuffler and checker.
- Updates to the handling of certain relocations.
- Better handling of duplex instructions.

llvm-svn: 294226
 2017-02-06 19:35:46 +00:00
Simon Pilgrim 6ba672e542 Fix spelling mistakes in Hexagon target comments. NFC. 
Identified by Pedro Giffuni in PR27636.

llvm-svn: 287248
 2016-11-17 19:21:20 +00:00
Colin LeMahieu 8ed1aee9dd [Hexagon] NFC Removing 'V4_' prefix from duplex instruction names. 
llvm-svn: 283514
 2016-10-07 00:15:07 +00:00
Krzysztof Parzyszek 0b8672269c [Hexagon] Make p0 an explicit operand in VA1_clr* subinstructions, NFC 
llvm-svn: 279255
 2016-08-19 15:17:19 +00:00
Krzysztof Parzyszek 6421b934ec [Hexagon] Mark PS_jumpret as pseudo-instruction, expand it into J2_jumpr 
llvm-svn: 279241
 2016-08-19 14:04:45 +00:00
Krzysztof Parzyszek be976d4ea9 [Hexagon] Standardize pseudo-instructions for calls and returns 
- CALLv3nr        PS_call_nr
- CALLRv3nr       PS_callr_nr
- CALLstk         PS_call_stk

- TCRETURNi       PS_tailcall_i
- TCRETURNr       PS_tailcall_r

- JMPret          PS_jmpret
- JMPrett         PS_jmprett
- JMPretf         PS_jmpretf
- JMPrettnew      PS_jmprettnew
- JMPretfnew      PS_jmpretfnew
- JMPrettnewpt    PS_jmprettnewpt
- JMPretfnewpt    PS_jmpretfnewpt

llvm-svn: 278499
 2016-08-12 11:12:02 +00:00
Benjamin Kramer 4d9d2cc77f [Hexagon] Create global std::map lazily. 
This could of course be a simple binary search with no global state
involved at all if someone cares enough. Just don't make everyone
linking the hexagon backend pay for it on process startup and shutdown.

llvm-svn: 274437
 2016-07-02 13:05:12 +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 7cd0892729 [Hexagon] Enabling ASM parsing on Hexagon backend and adding instruction parsing tests. General updating of the code emission. 
llvm-svn: 252443
 2015-11-09 04:07:48 +00:00
Craig Topper 2626094fa1 Make a bunch of static arrays const. 
llvm-svn: 250642
 2015-10-18 05:15:34 +00:00
Eric Christopher c30eae4567 Remove duplicate conditional in if-stmt. 
Fixes PR23839.

llvm-svn: 239751
 2015-06-15 20:16:53 +00:00
Colin LeMahieu be8c453d58 [Hexagon] Reapply r239097 with tests corrected for shuffling and duplexing. 
llvm-svn: 239161
 2015-06-05 16:00:11 +00:00
Colin LeMahieu c40be85adc Revert r239095 incorrect test tree. 
llvm-svn: 239102
 2015-06-04 21:32:42 +00:00
Colin LeMahieu fc52c11d80 [Hexagon] Adding functionality for duplexing. Duplexing is a way to compress commonly used pairs of instructions in order to reduce code size. The test case duplex.ll normally would be 8 bytes, assign register to 0 and jump to link register. After duplexing this is only 4 bytes. This also tests the HexagonMCShuffler code path which is used to make sure duplexed instructions still follow slot requirements. 
llvm-svn: 239095
 2015-06-04 21:16:16 +00:00