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Duncan P. N. Exon Smith b89af4c667 AsmPrinter: Stop creating DebugLocs
While looking at a heap profile of a clang LTO bootstrap with -g, I
noticed that 2.2% of memory in an `llvm-lto` of clang is from calling
`DebugLoc::get()` in `collectVariableInfo()` (accounting for ~40% of
memory used for `MDLocation`s).

I suspect this was introduced by r226736, whose goal was to prevent
uniquing of `DebugLoc`s (goal achieved, if so).

There's no reason we need a `DebugLoc` here at all -- it was just being
used for (in)convenient API -- so the fix is to pass the scope and
inlined-at directly to `LexicalScopes::findInlinedScope()`.

llvm-svn: 229459
2015-02-17 00:02:27 +00:00
autoconf Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301 2015-02-01 14:55:43 +00:00
bindings [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
cmake Update the docs to require at least MSVC 2013. 2015-02-15 19:34:17 +00:00
docs Document that defaulted & deleted methods and explicit conversions are allowed now. 2015-02-16 10:28:41 +00:00
examples [CMake] Add RuntimeDyld to libdeps corresponding to r229343. 2015-02-16 02:13:30 +00:00
include AsmPrinter: Stop creating DebugLocs 2015-02-17 00:02:27 +00:00
lib AsmPrinter: Stop creating DebugLocs 2015-02-17 00:02:27 +00:00
projects
test [PowerPC] Support non-direct-sub/superclass VSX copies 2015-02-16 23:46:30 +00:00
tools [CMake] Add RuntimeDyld to libdeps corresponding to r229343. 2015-02-16 02:13:30 +00:00
unittests Revert "InstrProf: Add unit tests for the profile reader and writer" 2015-02-16 23:31:07 +00:00
utils MSVC 2013 does not ICE on this code in the same fashion that MSVC 2012 did; NFC. 2015-02-16 19:33:36 +00:00
.arcconfig
.clang-format
.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 Update the docs to require at least MSVC 2013. 2015-02-15 19:34:17 +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 Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301 2015-02-01 14:55:43 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
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

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.