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bf98467060
Summary: This patch fixes PR23405 (https://llvm.org/bugs/show_bug.cgi?id=23405). During a node unscheduling an entry in LiveRegGens can be replaced with a new value. That corrupts the live reg tracking and LiveReg* structure is not cleared as should be during unscheduling. Problematic condition that enforces Gen replacement is `I->getSUnit()->getHeight() < LiveRegGens[I->getReg()]->getHeight()`. This condition should be checked only if LiveRegGen was set in current node unscheduling. Test Plan: Regression test included. Reviewers: hfinkel, atrick Reviewed By: atrick Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D9993 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240538 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| CMakeLists.txt | ||
| DAGCombiner.cpp | ||
| FastISel.cpp | ||
| FunctionLoweringInfo.cpp | ||
| InstrEmitter.cpp | ||
| InstrEmitter.h | ||
| LegalizeDAG.cpp | ||
| LegalizeFloatTypes.cpp | ||
| LegalizeIntegerTypes.cpp | ||
| LegalizeTypes.cpp | ||
| LegalizeTypes.h | ||
| LegalizeTypesGeneric.cpp | ||
| LegalizeVectorOps.cpp | ||
| LegalizeVectorTypes.cpp | ||
| LLVMBuild.txt | ||
| Makefile | ||
| ResourcePriorityQueue.cpp | ||
| ScheduleDAGFast.cpp | ||
| ScheduleDAGRRList.cpp | ||
| ScheduleDAGSDNodes.cpp | ||
| ScheduleDAGSDNodes.h | ||
| ScheduleDAGVLIW.cpp | ||
| SDNodeDbgValue.h | ||
| SelectionDAG.cpp | ||
| SelectionDAGBuilder.cpp | ||
| SelectionDAGBuilder.h | ||
| SelectionDAGDumper.cpp | ||
| SelectionDAGISel.cpp | ||
| SelectionDAGPrinter.cpp | ||
| StatepointLowering.cpp | ||
| StatepointLowering.h | ||
| TargetLowering.cpp | ||
| TargetSelectionDAGInfo.cpp | ||