llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-08 18:30:04 +00:00

LLVM backend for 6502

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Daniel Jasper bbaf4fd14c During PHI elimination, split critical edges that move copies out of loops. This prevents the behavior observed in llvm.org/PR22369. I am not sure whether I am reading the code correctly, but the early exit based on isLiveOutPastPHIs() seems to make the wrong assumption that RegisterCoalescer won't be able to coalesce those copies later. This change hides the new behavior behind -no-phi-elim-live-out-early-exit as it currently breaks four tests: * Assertion in: CodeGen/Hexagon/hwloop-cleanup.ll * Worse code in: CodeGen/X86/coalescer-commute4.ll CodeGen/X86/phys_subreg_coalesce-2.ll CodeGen/X86/zlib-longest-match.ll The root cause here seems to be that the heuristic that determines the visitation order in RegisterCoalescer gets less lucky. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231064 91177308-0d34-0410-b5e6-96231b3b80d8		2015-03-03 10:23:11 +00:00
autoconf	Revert r230812. Do not break builds for no reason.	2015-02-28 19:43:20 +00:00
bindings	Restore LLVMLinkModules C API until it is properly deprecated.	2015-03-02 18:59:38 +00:00
cmake	cmake: Use MSVC atomics with clang-cl	2015-03-02 22:00:23 +00:00
docs	[PerformanceTips] Document various items folks have suggested	2015-03-02 19:19:04 +00:00
examples	llvm/examples: Add missing include according to r230907.	2015-03-02 01:04:34 +00:00
include	Add range iterators to Extract/InsertValueInst indices	2015-03-03 09:31:01 +00:00
lib	During PHI elimination, split critical edges that move copies out of loops.	2015-03-03 10:23:11 +00:00
projects	[cmake] Use the external project machinery for libcxxabi so that it can	2014-07-25 10:27:40 +00:00
test	During PHI elimination, split critical edges that move copies out of loops.	2015-03-03 10:23:11 +00:00
tools	Add r230655 back with a fix.	2015-03-02 19:08:03 +00:00
unittests	Add explicit type to empty std::set initializer to fix the libc++ build.	2015-03-03 01:39:13 +00:00
utils	Switch up whitespace with better whitespace.	2015-03-03 07:59:45 +00:00
.arcconfig	Updated phabricator server.	2014-04-07 03:57:04 +00:00
.clang-format	Test commit.	2014-03-02 13:08:46 +00:00
.clang-tidy	Enable display of compiler diagnostics in clang-tidy by default.	2014-10-29 17:29:38 +00:00
.gitignore	Add one more vim swap file pattern	2015-01-30 21:59:28 +00:00
CMakeLists.txt	Minor follow-ups to r229720 suggested on llvmdev	2015-02-27 18:22:46 +00:00
CODE_OWNERS.TXT	Assume code ownership for the PS4 to ensure patches get reviewed, per the Developer Policy.	2015-01-28 18:33:39 +00:00
configure	Revert r230812. Do not break builds for no reason.	2015-02-28 19:43:20 +00:00
CREDITS.TXT	Rise from the dead and update personal info	2014-08-25 17:51:04 +00:00
LICENSE.TXT	Remove projects/sample.	2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt	Remove the very substantial, largely unmaintained legacy PGO	2013-10-02 15:42:23 +00:00
Makefile	[configure/make] Propagate names of build host tools when making BuildTools	2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in	Add a check for misbehaving -Wcomment from gcc-4.7 and add	2014-11-05 00:35:15 +00:00
Makefile.rules	Add a check for misbehaving -Wcomment from gcc-4.7 and add	2014-11-05 00:35:15 +00:00
README.txt	Revert test commit	2015-02-04 18:46:00 +00:00

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