Kostya Serebryany bd2c711cdd [asan] extend asan-coverage (still experimental). ... - add a mode for collecting per-block coverage (-asan-coverage=2). So far the implementation is naive (all blocks are instrumented), the performance overhead on top of asan could be as high as 30%. - Make sure the one-time calls to __sanitizer_cov are moved to function buttom, which in turn required to copy the original debug info into the call insn. Here is the performance data on SPEC 2006 (train data, comparing asan with asan-coverage={0,1,2}): asan+cov0 asan+cov1 diff 0-1 asan+cov2 diff 0-2 diff 1-2 400.perlbench, 65.60, 65.80, 1.00, 76.20, 1.16, 1.16 401.bzip2, 65.10, 65.50, 1.01, 75.90, 1.17, 1.16 403.gcc, 1.64, 1.69, 1.03, 2.04, 1.24, 1.21 429.mcf, 21.90, 22.60, 1.03, 23.20, 1.06, 1.03 445.gobmk, 166.00, 169.00, 1.02, 205.00, 1.23, 1.21 456.hmmer, 88.30, 87.90, 1.00, 91.00, 1.03, 1.04 458.sjeng, 210.00, 222.00, 1.06, 258.00, 1.23, 1.16 462.libquantum, 1.73, 1.75, 1.01, 2.11, 1.22, 1.21 464.h264ref, 147.00, 152.00, 1.03, 160.00, 1.09, 1.05 471.omnetpp, 115.00, 116.00, 1.01, 140.00, 1.22, 1.21 473.astar, 133.00, 131.00, 0.98, 142.00, 1.07, 1.08 483.xalancbmk, 118.00, 120.00, 1.02, 154.00, 1.31, 1.28 433.milc, 19.80, 20.00, 1.01, 20.10, 1.02, 1.01 444.namd, 16.20, 16.20, 1.00, 17.60, 1.09, 1.09 447.dealII, 41.80, 42.20, 1.01, 43.50, 1.04, 1.03 450.soplex, 7.51, 7.82, 1.04, 8.25, 1.10, 1.05 453.povray, 14.00, 14.40, 1.03, 15.80, 1.13, 1.10 470.lbm, 33.30, 34.10, 1.02, 34.10, 1.02, 1.00 482.sphinx3, 12.40, 12.30, 0.99, 13.00, 1.05, 1.06 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199488 91177308-0d34-0410-b5e6-96231b3b80d8		2014-01-17 11:00:30 +00:00
..
Analysis	BasicAA: We need to check both access sizes when comparing a gep and an	2014-01-16 04:53:18 +00:00
Assembler	Clean up RUN command for Assembler/getInt.ll.	2014-01-13 22:37:35 +00:00
Bindings
Bitcode	Report a warning when dropping outdated debug info metadata.	2014-01-16 01:51:12 +00:00
BugPoint
CodeGen	[AArch64 NEON] Expand vector for UDIV/SDIV/UREM/SREM/FREM as neon doesn't support these operations.	2014-01-17 09:54:30 +00:00
DebugInfo	llvm-symbolizer: make mangled name heuristic apply to all symbols	2014-01-16 17:25:12 +00:00
ExecutionEngine	Revert 199262 - MCJIT remote still failing on ARM	2014-01-15 09:09:46 +00:00
Feature
FileCheck
Instrumentation	[asan] extend asan-coverage (still experimental).	2014-01-17 11:00:30 +00:00
Integer
JitListener
Linker
LTO
MC	Teach x86 asm parser to handle 'opaque ptr' in Intel syntax.	2014-01-17 07:44:10 +00:00
Object	Fix typo: : not ;	2014-01-16 07:08:22 +00:00
Other	[PM] Wire up support for writing bitcode with new PM.	2014-01-13 07:38:24 +00:00
TableGen
tools	llvm-objdump/COFF: Print DLL name in the export table header.	2014-01-16 20:50:34 +00:00
Transforms	Fix two cases where we could lose fast math flags when optimizing FADD expressions.	2014-01-16 21:26:02 +00:00
Unit
Verifier	Change inalloca rules to make it only apply to the last parameter	2014-01-16 22:59:24 +00:00
YAMLParser
.clang-format
CMakeLists.txt
lit.cfg
lit.site.cfg.in
Makefile
Makefile.tests
TestRunner.sh