llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-28 19:31:58 +00:00

LLVM backend for 6502

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Arnold Schwaighofer ae4e1a94e3 LoopVectorizer: Disallow reductions whose header phi is used outside the loop If an outside loop user of the reduction value uses the header phi node we cannot just reduce the vectorized phi value in the vector code epilog because we would loose VF-1 reductions. lp: p = phi (0, lv) lv = lv + 1 ... brcond , lp, outside outside: usr = add 0, p (Say the loop iterates two times, the value of p coming out of the loop is one). We cannot just transform this to: vlp: p = phi (<0,0>, lv) lv = lv + <1,1> .. brcond , lp, outside outside: p_reduced = p[0] + [1]; usr = add 0, p_reduced (Because the original loop iterated two times the vectorized loop would iterate one time, but p_reduced ends up being zero instead of one). We would have to execute VF-1 iterations in the scalar remainder loop in such cases. For now, just disable vectorization. PR16522 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186256 91177308-0d34-0410-b5e6-96231b3b80d8		2013-07-13 19:09:29 +00:00
autoconf	No ',' between programs.	2013-07-08 21:18:54 +00:00
bindings	We're in 3.4 land now.	2013-05-07 20:31:28 +00:00
cmake	Find xdot or xdot.py.	2013-07-08 20:24:54 +00:00
docs	R600: Add ISA documents to the CompilerWriterInfo page	2013-07-12 18:14:40 +00:00
examples	ExceptionDemo: Corresponding to r181820, SectionMemoryManager should belong to RTDyldMemoryManager.	2013-05-14 23:05:00 +00:00
include	Remove unneeded forward declarations.	2013-07-13 08:28:45 +00:00
lib	LoopVectorizer: Disallow reductions whose header phi is used outside the loop	2013-07-13 19:09:29 +00:00
projects	The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD.	2013-07-01 08:07:52 +00:00
runtime	Remove "-Wl,-seg1addr -Wl,0xE0000000" from link options.	2013-06-04 15:26:37 +00:00
test	LoopVectorizer: Disallow reductions whose header phi is used outside the loop	2013-07-13 19:09:29 +00:00
tools	Try to open the file before use data from stat.	2013-07-13 05:07:22 +00:00
unittests	Attempt at fixing a mingw bot.	2013-07-13 12:36:30 +00:00
utils	Add new directive called CHECK-LABEL to FileCheck.	2013-07-12 14:51:05 +00:00
.arcconfig
.gitignore
CMakeLists.txt	Support using "host" as a target in LLVM_TARGETS_TO_BUILD when using cmake.	2013-06-26 07:57:53 +00:00
CODE_OWNERS.TXT	Add more owners to CODE_OWNERS.TXT (Kostya Serebryany: AddressSanitizer and ThreadSanitizer; Evgeniy Stepanov: MemorySanitizer)	2013-06-27 08:47:12 +00:00
configure	No ',' between programs.	2013-07-08 21:18:54 +00:00
CREDITS.TXT	Identify me on IRC.	2013-06-18 22:09:36 +00:00
LICENSE.TXT	Be more specific and capitalize filenames.	2013-05-21 21:22:34 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile	Fix regular expression used by 'make update' to only look for 'I' and '?' at the start of svn info results and to check for spaces after 'I' instead of just after '?'.	2013-07-03 14:48:37 +00:00
Makefile.common
Makefile.config.in	Add an autoconf option for turning on -gsplit-dwarf by default	2013-06-25 01:12:25 +00:00
Makefile.rules	The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD.	2013-07-01 08:07:52 +00:00
README.txt	test	2013-04-17 05:34:03 +00:00

README.txt

Low Level Virtual Machine (LLVM)
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