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llvm-mirror/lib/CodeGen/SelectionDAG
Simon Pilgrim 83f99b1504 [SelectionDAG] ComputeNumSignBits of TRUNCATE operations
Add basic ComputeNumSignBits support for TRUNCATE ops for cases where the source's number of sign bits overlaps with the truncated size.

Improves X86 SIGN_EXTEND_IN_REG vector cases which were needlessly sign extending boolean vector results.

Differential Revision: https://reviews.llvm.org/D26851

llvm-svn: 287635
2016-11-22 11:29:19 +00:00
..
CMakeLists.txt [CMake] NFC. Updating CMake dependency specifications 2016-11-17 04:36:50 +00:00
DAGCombiner.cpp Fix spelling mistakes in SelectionDAG comments. NFC. 2016-11-20 13:14:57 +00:00
FastISel.cpp Fix spelling mistakes in SelectionDAG comments. NFC. 2016-11-20 13:14:57 +00:00
FunctionLoweringInfo.cpp [CodeGen] Pull MMI helpers from FunctionLoweringInfo to MMI. NFC. 2016-11-16 22:24:56 +00:00
InstrEmitter.cpp SDAG: Make sure we use an allocatable reg class when we create this vreg 2016-10-28 22:42:54 +00:00
InstrEmitter.h Pass DebugLoc and SDLoc by const ref. 2016-06-12 15:39:02 +00:00
LegalizeDAG.cpp Fix spelling mistakes in SelectionDAG comments. NFC. 2016-11-20 13:14:57 +00:00
LegalizeFloatTypes.cpp [CodeGen] Split out the notions of MI invariance and MI dereferenceability. 2016-09-11 01:38:58 +00:00
LegalizeIntegerTypes.cpp Integer legalization: fix MUL expansion 2016-11-15 18:29:24 +00:00
LegalizeTypes.cpp getValueType().getScalarSizeInBits() -> getScalarValueSizeInBits(), round 2 ; NFCI 2016-09-14 16:54:10 +00:00
LegalizeTypes.h [SelectionDAGBuilder] Support llvm.flt.rounds on targets where i32 is not legal 2016-10-10 20:45:15 +00:00
LegalizeTypesGeneric.cpp Do not assume that FP vector operands are never legalized by expanding 2016-10-26 19:51:35 +00:00
LegalizeVectorOps.cpp [VectorLegalizer] Remove EVT::getSizeInBits code duplications. NFCI. 2016-11-21 18:24:44 +00:00
LegalizeVectorTypes.cpp getVectorElementType().getSizeInBits() -> getScalarSizeInBits() ; NFCI 2016-09-14 16:37:15 +00:00
LLVMBuild.txt
ResourcePriorityQueue.cpp Use the range variant of find instead of unpacking begin/end 2016-08-11 22:21:41 +00:00
ScheduleDAGFast.cpp Replace uint16_t with the MCPhysReg typedef in many places. A lot of physical register arrays already use this typedef. 2015-12-05 07:13:35 +00:00
ScheduleDAGRRList.cpp Use the range variant of find instead of unpacking begin/end 2016-08-11 22:21:41 +00:00
ScheduleDAGSDNodes.cpp SelectionDAG: Avoid implicit iterator conversions in ScheduleDAGSDNodes, NFC 2016-07-08 19:07:09 +00:00
ScheduleDAGSDNodes.h
ScheduleDAGVLIW.cpp
SDNodeDbgValue.h Apply clang-tidy's misc-move-constructor-init throughout LLVM. 2016-05-27 14:27:24 +00:00
SelectionDAG.cpp [SelectionDAG] ComputeNumSignBits of TRUNCATE operations 2016-11-22 11:29:19 +00:00
SelectionDAGBuilder.cpp DAG: Ignore call site attributes when emitting target intrinsic 2016-11-21 22:56:42 +00:00
SelectionDAGBuilder.h Expandload and Compressstore intrinsics 2016-11-03 03:23:55 +00:00
SelectionDAGDumper.cpp Create llvm.addressofreturnaddress intrinsic 2016-10-12 22:13:19 +00:00
SelectionDAGISel.cpp Timer: Track name and description. 2016-11-18 19:43:18 +00:00
SelectionDAGPrinter.cpp
SelectionDAGTargetInfo.cpp Rename TargetSelectionDAGInfo into SelectionDAGTargetInfo and move it to CodeGen/ 2016-01-27 16:32:26 +00:00
StatepointLowering.cpp Fix spelling mistakes in SelectionDAG comments. NFC. 2016-11-20 13:14:57 +00:00
StatepointLowering.h [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
TargetLowering.cpp Fix spelling in comment. NFC. 2016-11-17 12:03:05 +00:00