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llvm-mirror/lib/CodeGen/SelectionDAG
James Molloy 3c39c7c1b4 [AArch64] Redundant store instructions should be removed as dead code
If there is a store followed by a store with the same value to the same location, then the store is dead/noop. It can be removed.

This problem is found in spec2006-197.parser.

For example,
  stur    w10, [x11, #-4]
  stur    w10, [x11, #-4]
Then one of the two stur instructions can be removed.

Patch by David Xu!

llvm-svn: 218569
2014-09-27 17:02:54 +00:00
..
CMakeLists.txt llvm/lib: [CMake] Add explicit dependency to intrinsics_gen. 2012-06-24 13:32:01 +00:00
DAGCombiner.cpp [AArch64] Redundant store instructions should be removed as dead code 2014-09-27 17:02:54 +00:00
FastISel.cpp [FastISel] Move optimizeCmpPredicate to FastISel base class. NFC. 2014-09-15 20:47:13 +00:00
FunctionLoweringInfo.cpp Clear PreferredExtendType for in each function-specific state FunctionLoweringInfo. 2014-09-24 03:22:56 +00:00
InstrEmitter.cpp SelectionDAG: Remove #if NDEBUG from check for a post-isel hook 2014-09-25 18:59:22 +00:00
InstrEmitter.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
LegalizeDAG.cpp Replace dead links to "Hacker's Delight" with general references. NFC. 2014-09-15 19:47:44 +00:00
LegalizeFloatTypes.cpp ARM: fix @llvm.convert.from.fp16 on softfloat targets. 2014-07-29 09:56:38 +00:00
LegalizeIntegerTypes.cpp Optimize sext/zext insertion algorithm in back-end. 2014-09-19 05:30:35 +00:00
LegalizeTypes.cpp Make it possible for ints/floats to return different values from getBooleanContents() 2014-07-10 10:18:12 +00:00
LegalizeTypes.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
LegalizeTypesGeneric.cpp AA metadata refactoring (introduce AAMDNodes) 2014-07-24 12:16:19 +00:00
LegalizeVectorOps.cpp Teach the AArch64 backend about v4f16 and v8f16 2014-08-27 16:16:04 +00:00
LegalizeVectorTypes.cpp Allow targets to custom legalize vector insertion and extraction. 2014-09-12 22:16:11 +00:00
LLVMBuild.txt
Makefile
ResourcePriorityQueue.cpp Change MCSchedModel to be a struct of statically initialized data. 2014-09-02 17:43:54 +00:00
ScheduleDAGFast.cpp [Modules] Remove potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:02:50 +00:00
ScheduleDAGRRList.cpp Remove the TargetMachine forwards for TargetSubtargetInfo based 2014-08-04 21:25:23 +00:00
ScheduleDAGSDNodes.cpp Make this SmallVector size a power of two as suggested by Chandler 2014-08-11 13:47:57 +00:00
ScheduleDAGSDNodes.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
ScheduleDAGVLIW.cpp Remove the TargetMachine forwards for TargetSubtargetInfo based 2014-08-04 21:25:23 +00:00
SDNodeDbgValue.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
SelectionDAG.cpp Do not assume the value passed to memset is an i32. 2014-08-29 08:23:53 +00:00
SelectionDAGBuilder.cpp Fix crash with an insertvalue that produces an empty object. 2014-09-20 00:10:47 +00:00
SelectionDAGBuilder.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
SelectionDAGDumper.cpp Have MachineFunction cache a pointer to the subtarget to make lookups 2014-08-05 02:39:49 +00:00
SelectionDAGISel.cpp Move resetTargetOptions from taking a MachineFunction to a Function 2014-09-26 01:28:10 +00:00
SelectionDAGPrinter.cpp Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
TargetLowering.cpp Replace repeated null checks with an assert. NFC. 2014-09-15 21:52:51 +00:00
TargetSelectionDAGInfo.cpp Have TargetSelectionDAGInfo take a DataLayout initializer rather than 2014-06-06 19:04:48 +00:00