llvm/unittests/IR
Chandler Carruth 0fc446723e [PM] Introduce the facilities for registering cross-IR-unit dependencies
that require deferred invalidation.

This handles the other real-world invalidation scenario that we have
cases of: a function analysis which caches references to a module
analysis. We currently do this in the AA aggregation layer and might
well do this in other places as well.

Since this is relative rare, the technique is somewhat more cumbersome.
Analyses need to register themselves when accessing the outer analysis
manager's proxy. This proxy is already necessarily present to allow
access to the outer IR unit's analyses. By registering here we can track
and trigger invalidation when that outer analysis goes away.

To make this work we need to enhance the PreservedAnalyses
infrastructure to support a (slightly) more explicit model for "sets" of
analyses, and allow abandoning a single specific analyses even when
a set covering that analysis is preserved. That allows us to describe
the scenario of preserving all Function analyses *except* for the one
where deferred invalidation has triggered.

We also need to teach the invalidator API to support direct ID calls
instead of always going through a template to dispatch so that we can
just record the ID mapping.

I've introduced testing of all of this both for simple module<->function
cases as well as for more complex cases involving a CGSCC layer.

Much like the previous patch I've not tried to fully update the loop
pass management layer because that layer is due to be heavily reworked
to use similar techniques to the CGSCC to handle updates. As that
happens, we'll have a better testing basis for adding support like this.

Many thanks to both Justin and Sean for the extensive reviews on this to
help bring the API design and documentation into a better state.

Differential Revision: https://reviews.llvm.org/D27198

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290594 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-27 08:40:39 +00:00
..
AsmWriterTest.cpp Fix crash when printing instructions that have a metadata attached but no parent. 2016-01-07 20:14:30 +00:00
AttributesTest.cpp Fix non-determinism in order of LLVM attributes 2016-04-04 23:06:05 +00:00
CMakeLists.txt ADT: Split out simple_ilist, a simple intrusive list 2016-08-30 16:23:55 +00:00
ConstantRangeTest.cpp Introduce ConstantRange.addWithNoSignedWrap 2016-10-19 14:44:23 +00:00
ConstantsTest.cpp Fix constant folding of addrspacecast of null 2016-05-21 00:14:04 +00:00
DebugInfoTest.cpp Formatting with clang-format patch r280700 2016-09-06 17:03:02 +00:00
DebugTypeODRUniquingTest.cpp Formatting with clang-format patch r280700 2016-09-06 17:03:02 +00:00
DominatorTreeTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
FunctionTest.cpp Fix warnings in FunctionTest.cpp. 2016-07-13 18:17:46 +00:00
InstructionsTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
IntrinsicsTest.cpp Handle more edge cases in intrinsic name binary search 2016-01-26 22:33:19 +00:00
IRBuilderTest.cpp [DebugInfo] Changed DIBuilder::createCompileUnit() to take DIFile instead of FileName and Directory. 2016-12-14 20:24:54 +00:00
LegacyPassManagerTest.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
MDBuilderTest.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
MetadataTest.cpp [DebugInfo] Added support for Checksum debug info feature. 2016-12-25 10:12:09 +00:00
ModuleTest.cpp Avoid unnecessary constexpr to appease MSVC 2013 2016-10-11 18:35:13 +00:00
PassManagerTest.cpp [PM] Introduce the facilities for registering cross-IR-unit dependencies 2016-12-27 08:40:39 +00:00
PatternMatch.cpp Add support to paternmatch for simple const Value cases. 2016-08-12 22:16:05 +00:00
TypeBuilderTest.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
TypesTest.cpp Fix several accidental DOS line endings in source files 2016-01-03 17:22:03 +00:00
UserTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
UseTest.cpp Format: Modernize using variadic templates. 2015-02-15 22:15:41 +00:00
ValueHandleTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
ValueMapTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
ValueTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
VerifierTest.cpp [DebugInfo] Changed DIBuilder::createCompileUnit() to take DIFile instead of FileName and Directory. 2016-12-14 20:24:54 +00:00
WaymarkTest.cpp Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00