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Teresa Johnson 76a1c1d0ba [ThinLTO] Support for reference graph in per-module and combined summary. 
Summary:
This patch adds support for including a full reference graph including
call graph edges and other GV references in the summary.

The reference graph edges can be used to make importing decisions
without materializing any source modules, can be used in the plugin
to make file staging decisions for distributed build systems, and is
expected to have other uses.

The call graph edges are recorded in each function summary in the
bitcode via a list of <CalleeValueIds, StaticCount> tuples when no PGO
data exists, or <CalleeValueId, StaticCount, ProfileCount> pairs when
there is PGO, where the ValueId can be mapped to the function GUID via
the ValueSymbolTable. In the function index in memory, the call graph
edges reference the target via the CalleeGUID instead of the
CalleeValueId.

The reference graph edges are recorded in each summary record with a
list of referenced value IDs, which can be mapped to value GUID via the
ValueSymbolTable.

Addtionally, a new summary record type is added to record references
from global variable initializers. A number of bitcode records and data
structures have been renamed to reflect the newly expanded scope of the
summary beyond functions. More cleanup will follow.

Reviewers: joker.eph, davidxl

Subscribers: joker.eph, llvm-commits

Differential Revision: http://reviews.llvm.org/D17212

llvm-svn: 263275
 		2016-03-11 18:52:24 +00:00
..
Inputs [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
2006-12-11-Cast-ConstExpr.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
2009-06-11-FirstClassAggregateConstant.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
DICompileUnit-no-DWOId.ll DI: Disallow uniquable DICompileUnits 2015-08-03 17:26:41 +00:00
DICompileUnit-no-DWOId.ll.bc IR / debug info: Add a DWOId field to DICompileUnit, 2015-05-21 20:37:30 +00:00
DILocalVariable-explicit-tags.ll DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
DILocalVariable-explicit-tags.ll.bc DI: Remove DW_TAG_arg_variable and DW_TAG_auto_variable 2015-07-31 18:58:39 +00:00
DISubprogram-distinct-definitions.ll DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
DISubprogram-distinct-definitions.ll.bc DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
PR23310.test Fix for PR23310: llvm-dis crashes when trying to upgrade an intrinsic. 2015-07-02 16:22:40 +00:00
aggregateInstructions.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
aggregateInstructions.3.2.ll.bc
…
anon-functions.ll Fix PR25101 - Handle anonymous functions without VST entries 2015-10-10 14:18:36 +00:00
arm32_neon_vcnt_upgrade.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
atomic.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
attributes-3.3.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
attributes-3.3.ll.bc
…
attributes.ll Add InaccessibleMemOnly and inaccessibleMemOrArgMemOnly attributes 2015-12-16 16:16:19 +00:00
avr-calling-conventions.ll [AVR] Add calling convention parser tokens 2016-03-03 10:08:02 +00:00
avr-calling-conventions.ll.bc [AVR] Add calling convention parser tokens 2016-03-03 10:08:02 +00:00
binaryFloatInstructions.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
binaryFloatInstructions.3.2.ll.bc
…
binaryIntInstructions.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
binaryIntInstructions.3.2.ll.bc
…
bitcode-wrapper-header-armv7m.ll [llvm-bcanalyzer] Dump bitcode wrapper header 2016-01-29 05:55:09 +00:00
bitcode-wrapper-header-x86_64.ll [llvm-bcanalyzer] Dump bitcode wrapper header 2016-01-29 05:55:09 +00:00
bitwiseInstructions.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
bitwiseInstructions.3.2.ll.bc
…
blockaddress.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
calling-conventions.3.2.ll Parse 'ghccc' in .ll files as the GHC convention (cc 10) 2014-12-01 21:04:44 +00:00
calling-conventions.3.2.ll.bc
…
case-ranges-3.3.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
case-ranges-3.3.ll.bc
…
cmpxchg-upgrade.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
cmpxchg-upgrade.ll.bc
…
cmpxchg.3.6.ll [opaque pointer type] Encode the pointee type in the bitcode for 'cmpxchg' 2015-04-28 04:30:29 +00:00
cmpxchg.3.6.ll.bc [opaque pointer type] Encode the pointee type in the bitcode for 'cmpxchg' 2015-04-28 04:30:29 +00:00
compatibility-3.6.ll Sort the enums in Attributes.h in case insensitive alphabetical order. 2015-11-11 02:11:46 +00:00
compatibility-3.6.ll.bc [IR] Limit bits used for CallingConv::ID, update tests 2015-10-27 21:17:06 +00:00
compatibility-3.7.ll Sort the enums in Attributes.h in case insensitive alphabetical order. 2015-11-11 02:11:46 +00:00
compatibility-3.7.ll.bc [IR] Limit bits used for CallingConv::ID, update tests 2015-10-27 21:17:06 +00:00
compatibility.ll [WinEH] Verify unwind edges against EH pad tree 2016-01-10 04:28:38 +00:00
constantsTest.3.2.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
constantsTest.3.2.ll.bc Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
conversionInstructions.3.2.ll Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
conversionInstructions.3.2.ll.bc Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
debug-loc-again.ll DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
drop-debug-info.3.5.ll llvm-dis: Stop crashing when dropping debug info 2015-02-25 01:10:03 +00:00
drop-debug-info.3.5.ll.bc llvm-dis: Stop crashing when dropping debug info 2015-02-25 01:10:03 +00:00
extractelement.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
fcmp-fast.ll Add support for fast-math flags to the FCmp instruction. 2015-07-10 12:52:00 +00:00
flags.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
function-encoding-rel-operands.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
function-local-metadata.3.5.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
function-local-metadata.3.5.ll.bc IR: Fix bitcode compatability filenames 2014-12-08 00:41:39 +00:00
global-variables.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
global-variables.3.2.ll.bc
…
highLevelStructure.3.2.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
highLevelStructure.3.2.ll.bc Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
identification.ll Add an (optional) identification block in the bitcode 2015-10-26 18:37:00 +00:00
inalloca.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
invalid.ll Add InaccessibleMemOnly and inaccessibleMemOrArgMemOnly attributes 2015-12-16 16:16:19 +00:00
invalid.ll.bc Add InaccessibleMemOnly and inaccessibleMemOrArgMemOnly attributes 2015-12-16 16:16:19 +00:00
invalid.test Error out when faced with value names containing '\0' 2015-11-04 14:53:36 +00:00
linkage-types-3.2.ll Bring r226038 back. 2015-01-19 15:16:06 +00:00
linkage-types-3.2.ll.bc
…
local-linkage-default-visibility.3.4.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
local-linkage-default-visibility.3.4.ll.bc
…
mdstring-high-bits.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
memInstructions.3.2.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
memInstructions.3.2.ll.bc
…
metadata-2.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
metadata.3.5.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
metadata.3.5.ll.bc Bitcode: Add METADATA_NODE and METADATA_VALUE 2014-12-11 23:02:24 +00:00
metadata.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
miscInstructions.3.2.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
miscInstructions.3.2.ll.bc Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
null-type.ll
…
null-type.ll.bc
…
old-aliases.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
old-aliases.ll.bc
…
operand-bundles.ll [Bitcode][Asm] Teach LLVM to read and write operand bundles. 2015-09-24 23:34:52 +00:00
padding.test Improve handling of end of file in the bitcode reader. 2015-06-16 20:03:39 +00:00
pr18704.ll llvm-dis: Stop crashing when dropping debug info 2015-02-25 01:10:03 +00:00
pr18704.ll.bc
…
ptest-new.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
ptest-old.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
select.ll [BitcodeReader] Ensure we can read constant vector selects with an i1 condition 2015-08-31 18:00:30 +00:00
shuffle.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
source-filename.test Restore "[ThinLTO] Use MD5 hash in function index." with fix 2016-02-10 21:55:02 +00:00
ssse3_palignr.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
standardCIntrinsic.3.2.ll Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
standardCIntrinsic.3.2.ll.bc Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
tailcall.ll [IR] Limit bits used for CallingConv::ID, update tests 2015-10-27 21:17:06 +00:00
terminatorInstructions.3.2.ll Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
terminatorInstructions.3.2.ll.bc Ensure bitcode encoding stays stable. 2014-09-23 08:48:01 +00:00
thinlto-function-summary-callgraph-pgo.ll [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
thinlto-function-summary-callgraph.ll [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
thinlto-function-summary-refgraph.ll [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
thinlto-function-summary.ll [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
thinlto-summary-linkage-types.ll [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
upgrade-global-ctors.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
upgrade-global-ctors.ll.bc
…
upgrade-loop-metadata.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
upgrade-loop-metadata.ll.bc
…
upgrade-subprogram.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
upgrade-subprogram.ll.bc DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
upgrade-tbaa.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
use-list-order.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
use-list-order2.ll [Bitcode] Add xfail test for PR24755 (uselistorder) 2015-09-10 16:02:24 +00:00
variableArgumentIntrinsic.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
variableArgumentIntrinsic.3.2.ll.bc
…
vectorInstructions.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
vectorInstructions.3.2.ll.bc
…
visibility-styles.3.2.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
visibility-styles.3.2.ll.bc
…
vst-forward-declaration.ll Restore "Function bitcode index in Value Symbol Table and lazy reading support" 2015-09-17 20:12:00 +00:00
weak-cmpxchg-upgrade.ll verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
weak-cmpxchg-upgrade.ll.bc
…
weak-macho-3.5.ll Bitcode: Don't create comdats when autoupgrading macho bitcode 2015-01-20 05:58:07 +00:00
weak-macho-3.5.ll.bc Bitcode: Don't create comdats when autoupgrading macho bitcode 2015-01-20 05:58:07 +00:00