Evan Cheng 9818c043d2 Make 91378 more conservative. ...

1. Only perform (zext (shl (zext x), y)) -> (shl (zext x), y) when y is a constant. This makes sure it remove at least one zest.
2. If the shift is a left shift, make sure the original shift cannot shift out bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91399 91177308-0d34-0410-b5e6-96231b3b80d8

2009-12-15 03:00:32 +00:00

..

CallingConvLower.cpp

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CMakeLists.txt

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DAGCombiner.cpp

Make 91378 more conservative.

2009-12-15 03:00:32 +00:00

FastISel.cpp

Make TargetSelectInstruction protected and called from FastISel.cpp

2009-12-05 01:27:58 +00:00

FunctionLoweringInfo.cpp

Move CopyCatchInfo into FunctionLoweringInfo.cpp too, for consistency.

2009-11-23 18:12:11 +00:00

FunctionLoweringInfo.h

Move CopyCatchInfo into FunctionLoweringInfo.cpp too, for consistency.

2009-11-23 18:12:11 +00:00

InstrEmitter.cpp

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InstrEmitter.h

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LegalizeDAG.cpp

Delete an unnecessary line. The VTSDNode on a SIGN_EXTEND_REG is never

2009-12-11 23:26:08 +00:00

LegalizeFloatTypes.cpp

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LegalizeIntegerTypes.cpp

Truncate the arguments of llvm.frameaddress / llvm.returnaddress intrinsics from i32 to platform's largest native type

2009-12-07 02:28:26 +00:00

LegalizeTypes.cpp

Added support to allow clients to custom widen. For X86, custom widen vectors for

2009-11-30 02:42:02 +00:00

LegalizeTypes.h

Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.

2009-12-11 21:31:27 +00:00

LegalizeTypesGeneric.cpp

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LegalizeVectorOps.cpp

Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.

2009-12-11 21:31:27 +00:00

LegalizeVectorTypes.cpp

Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.

2009-12-11 21:31:27 +00:00

Makefile

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ScheduleDAGFast.cpp

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ScheduleDAGList.cpp

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ScheduleDAGRRList.cpp

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ScheduleDAGSDNodes.cpp

Initial work on disabling the scheduler. This is a work in progress, and this

2009-12-15 01:54:51 +00:00

ScheduleDAGSDNodes.h

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SelectionDAG.cpp

Initial work on disabling the scheduler. This is a work in progress, and this

2009-12-15 01:54:51 +00:00

SelectionDAGBuilder.cpp

Initial work on disabling the scheduler. This is a work in progress, and this

2009-12-15 01:54:51 +00:00

SelectionDAGBuilder.h

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SelectionDAGISel.cpp

Fix this to properly clear the FastISel debug location. Thanks to

2009-12-14 23:08:09 +00:00

SelectionDAGPrinter.cpp

Add edge source labels to SelectionDAG graphs, now that the graph printing

2009-12-01 19:20:00 +00:00

TargetLowering.cpp

Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.

2009-12-11 21:31:27 +00:00