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Robert Lougher 06d3099445 Reapply: "Remove debug location from common tail when tail-merging"
This reapplies revision 285093.  Original commit message:

The branch folding pass tail merges blocks into a common-tail.  However, the
tail retains the debug information from one of the original inputs to the
merge (chosen randomly).  This is a problem for sampled-based PGO, as hits
on the common-tail will be attributed to whichever block was chosen,
irrespective of which path was actually taken to the common-tail.

This patch fixes the issue by nulling the debug location for the common-tail.

Differential Revision: https://reviews.llvm.org/D25742

llvm-svn: 285212
2016-10-26 17:01:47 +00:00
bindings [Go bindings] Update for r284678 API changes. 2016-10-20 09:14:39 +00:00
cmake cmake: Make /usr/share/cmake installable with LLVM_DISTRIBUTION_COMPONENTS 2016-10-24 21:40:15 +00:00
docs DebugInfo: support for DWARFv5 DW_AT_alignment attribute 2016-10-26 11:59:03 +00:00
examples [BuildingAJIT] Use the remote target triple to construct the TargetMachine in 2016-10-19 22:41:03 +00:00
include Introduce updateDiscriminator interface to DILocation to make it cleaner assigning discriminators. 2016-10-26 15:48:45 +00:00
lib Reapply: "Remove debug location from common tail when tail-merging" 2016-10-26 17:01:47 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Make the runtimes directory work with bootstrap builds 2016-10-19 21:50:25 +00:00
test Reapply: "Remove debug location from common tail when tail-merging" 2016-10-26 17:01:47 +00:00
tools [XRay] Remove unnecessary include of <unistd.h> 2016-10-26 04:46:50 +00:00
unittests Cloning: Also clone global variable attached metadata. 2016-10-26 02:57:33 +00:00
utils Revert 285087. 2016-10-25 17:46:29 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore gitignore: ignore VS Code editor files 2016-09-02 22:54:26 +00:00
CMakeLists.txt cmake: Rename installhdrs to install-llvm-headers and fix the dependencies 2016-10-24 21:58:58 +00:00
CODE_OWNERS.TXT Take ownership of libLTO as discussed on llvm-dev. 2016-09-15 17:42:39 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Shamelessly add myself to CREDITS.TXT 2016-08-04 16:28:22 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
pzero-fp-xored.ll [PPC] Generate positive FP zero using xor insn instead of loading from constant area 2016-10-24 17:31:09 +00:00
README.txt Revert rL277454 2016-08-02 13:26:07 +00:00
RELEASE_TESTERS.TXT Adding RELEASE_TESTERS.TXT 2016-07-21 16:46:44 +00:00

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