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llvm-mirror/lib
Chandler Carruth 4dbb64e3cd [LCG] Rotate the full SCC finding algorithm to avoid round-trips through
the DFS stack for leaves in the call graph. As mentioned in my previous
commit, this is particularly interesting for graphs which have high fan
out but low connectivity resulting in many leaves. For such graphs, this
can remove a large % of the DFS stack traffic even though it doesn't
make the stack much smaller.

It's a bit easier to formulate this for the full algorithm because that
one stops completely for each SCC. For example, I was able to directly
eliminate the "Recurse" boolean used to continue an outer loop from the
inner loop.

llvm-svn: 207311
2014-04-26 09:28:00 +00:00
..
Analysis [LCG] Rotate the full SCC finding algorithm to avoid round-trips through 2014-04-26 09:28:00 +00:00
AsmParser Add 'musttail' marker to call instructions 2014-04-24 20:14:34 +00:00
Bitcode Add 'musttail' marker to call instructions 2014-04-24 20:14:34 +00:00
CodeGen [DAG] During DAG legalization keep opaque constants even after expanding. 2014-04-26 02:58:04 +00:00
DebugInfo Fix missing include 2014-04-25 21:42:35 +00:00
ExecutionEngine [C++] Use 'nullptr'. 2014-04-24 06:44:33 +00:00
IR Add missing include guards and missing #include, found by modules build. 2014-04-26 00:53:26 +00:00
IRReader [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 06:32:26 +00:00
LineEditor
Linker [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 06:32:26 +00:00
LTO Add an -mattr option to the gold plugin to support subtarget features in LTO 2014-04-25 21:46:51 +00:00
MC Fix quadratic performance during debug compression due to sections x symbols iteration. 2014-04-25 00:48:01 +00:00
Object [yaml2obj][ELF] Remove unnecessary space between namespace name and 2014-04-23 17:30:29 +00:00
Option Protect the ArgList dtor 2014-04-20 23:59:00 +00:00
ProfileData ProfileData: Treat missing function counts as malformed 2014-04-25 02:45:33 +00:00
Support cl::ParseCommandLineOptions(): Use StringRef to receive sys::path::filename() instead of std::string. 2014-04-23 14:51:23 +00:00
TableGen [C++11] Make use of 'nullptr' in TableGen library. 2014-04-09 04:50:04 +00:00
Target [X86] Implement TargetLowering::getScalingFactorCost hook. 2014-04-26 01:11:26 +00:00
Transforms RecursivelyDeleteTriviallyDeadInstructions() could remove 2014-04-26 05:58:11 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile