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LLVM backend for 6502
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6715d6ec2e
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David Blaikie 6715d6ec2e Fix quadratic performance during debug compression due to sections x symbols iteration. 
When fixing the symbols in each compressed section we were iterating
over all symbols for each compressed section. In extreme cases this
could snowball severely (5min uncompressed -> 35min compressed) due to
iterating over all symbols for each compressed section (large numbers of
compressed sections can be generated by DWARF type units).

To address this, build a map of the symbols in each section ahead of
time, and access that map if a section is being compressed. This brings
compile time for the aforementioned example down to ~6 minutes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207167 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-25 00:48:01 +00:00
autoconf ARM64: initial backend import 2014-03-29 10:18:08 +00:00
bindings [python] Fix python bindings tests 2014-04-23 20:32:03 +00:00
cmake Added Sphinx documentation generation to CMake build system. 2014-04-18 21:45:25 +00:00
docs Add 'musttail' marker to call instructions 2014-04-24 20:14:34 +00:00
examples Fix warnings about an variable only used in asserts. 2014-03-06 06:35:46 +00:00
include Revert "This reapplies r207130 with an additional testcase+and a missing check for" 2014-04-25 00:42:50 +00:00
lib Fix quadratic performance during debug compression due to sections x symbols iteration. 2014-04-25 00:48:01 +00:00
projects Remove projects/sample. 2014-03-12 22:40:22 +00:00
test Revert "This reapplies r207130 with an additional testcase+and a missing check for" 2014-04-25 00:42:50 +00:00
tools llvm-cov: Add support for gcov's --long-file-names option 2014-04-23 21:44:55 +00:00
unittests [ADT] Generalize pointee_iterator to smart pointers by using decltype. 2014-04-24 21:10:35 +00:00
utils llvm-build: Get rid of 'import *' 2014-04-23 19:17:42 +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
.gitignore Remove projects/sample. 2014-03-12 22:40:22 +00:00
CMakeLists.txt Added Sphinx documentation generation to CMake build system. 2014-04-18 21:45:25 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure ARM64: initial backend import 2014-03-29 10:18:08 +00:00
CREDITS.TXT Test commit. 2014-04-10 22:25:51 +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 --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules Use -std=gnu++11 on cygwin and mingw. 2014-03-12 20:01:15 +00:00
README.txt Revert "Test commit to check e-mail address. Please discard this." 2013-10-04 10:59:13 +00:00

README.txt 

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