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Nirav Dave c2ecd4b259 [ScheduleDAG] Fix unfolding of SUnits to already existent nodes.
Summary:
If unfolding an SUnit results in both load or the operation using it which
already exist in the DAG, abort the unfold if they are already scheduled.
If not, make sure we don't add duplicate dependencies.

This fixes PR37916.

Reviewers: davide, eli.friedman, fhahn, bogner

Subscribers: MatzeB, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D48666

llvm-svn: 337409
2018-07-18 18:01:03 +00:00
bindings [LLVM-C] [OCaml] Remove LLVMAddBBVectorizePass 2018-05-28 16:58:10 +00:00
cmake [CMake] Export the LLVM_LINK_LLVM_DYLIB setting 2018-07-18 08:53:31 +00:00
docs [docs] Update GoldPlugin documentation 2018-07-18 17:10:17 +00:00
examples [ORC] Update JITCompileCallbackManager to support multi-threaded code. 2018-05-30 01:57:45 +00:00
include [TargetInstPredicate] Add definition of CheckInvalidRegisterOperand. 2018-07-18 11:16:31 +00:00
lib [ScheduleDAG] Fix unfolding of SUnits to already existent nodes. 2018-07-18 18:01:03 +00:00
projects
resources
runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [ScheduleDAG] Fix unfolding of SUnits to already existent nodes. 2018-07-18 18:01:03 +00:00
tools [llvm-readobj] Generic -string-dump option 2018-07-18 18:00:41 +00:00
unittests Revert rL337292 due to another MSVC STL problem. 2018-07-17 17:12:50 +00:00
utils [Tablegen][PredicateExpander] Add the ability to define checks for invalid registers. 2018-07-18 11:03:22 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore
CMakeLists.txt [CMake] Teach the build system to codesign built products 2018-07-10 17:32:48 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of the MIPS backend 2018-06-21 09:59:44 +00:00
configure
CREDITS.TXT Update my information in the CREDITS file. 2018-06-15 20:02:11 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit: remove a blank line 2018-06-08 21:21:55 +00:00
RELEASE_TESTERS.TXT Remove myself from the release testers list. (NFC) 2018-06-20 21:25:50 +00:00

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