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Rui Ueyama d96724db42 Remove a fast lookup table from MergeInputSection.

We used to have a map from section piece offsets to section pieces
as a cache for binary search. But I found that the map took quite a
large amount of memory and didn't make linking faster. So, in this
patch, I removed the map.

This patch saves 566 MiB of RAM (2.019 GiB -> 1.453 GiB) when linking
clang with debug info, and the link time is 4% faster in that test case.

Thanks for Sean Silva for pointing this out.

llvm-svn: 316305

2017-10-22 23:02:07 +00:00

clang

[c++2a] Update cxx_status w __VA_OPT__ marked as completed in SVN.

2017-10-22 22:29:52 +00:00

clang-tools-extra

clang-tidy: Fix deps.

2017-10-21 11:02:30 +00:00

compiler-rt

[Compiler-rt][MIPS] Fix cross build for XRAY.

2017-10-22 09:37:50 +00:00

debuginfo-tests

…

libclc

shared: Implement aligned vector stores (vstorea_half)

2017-10-22 14:21:59 +00:00

libcxx

Fix an unsigned integer overflow in regex that lead to a bad memory access. Found by OSS-Fuzz

2017-10-19 22:10:41 +00:00

libcxxabi

…

libunwind

Make HIDDEN_DIRECTIVE a function-like macro. NFCI.

2017-10-22 19:39:26 +00:00

lld

Remove a fast lookup table from MergeInputSection.

2017-10-22 23:02:07 +00:00

lldb

lldb-server tests: Propagate environment variables (pr34192)

2017-10-20 22:39:18 +00:00

llgo

…

llvm

ExecutionEngine: make COFF Thumb2 assertions non-tautological

2017-10-22 20:51:25 +00:00

openmp

Restrict OMPT to OpenMP version 5.0 and remove old header files

2017-10-20 20:14:46 +00:00

parallel-libs

…

polly

[Polly] Add XFAIL to large-numbers-in-boundary-context.ll

2017-10-16 15:12:39 +00:00

README.md

Add an svn project to contain the files that appear at the root of the

2017-10-19 21:09:49 +00:00

README.md

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.

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