Craig Topper 3f5aaeaf08 [DAGCombiner] Add one use check to fold (not (and x, y)) -> (or (not x), (not y)) ...

Summary:
If the and has an additional use we shouldn't invert it. That creates an additional instruction.

While there add a one use check to the transform above that looked similar.

Reviewers: spatel, RKSimon

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D43225

llvm-svn: 325019

2018-02-13 16:25:27 +00:00

..

CMakeLists.txt

Remove trailing whitespace to trigger re-cmaking

2017-10-02 21:54:38 +00:00

DAGCombiner.cpp

[DAGCombiner] Add one use check to fold (not (and x, y)) -> (or (not x), (not y))

2018-02-13 16:25:27 +00:00

FastISel.cpp

[XRay][compiler-rt+llvm] Update XRay register stashing semantics

2018-02-01 02:21:54 +00:00

FunctionLoweringInfo.cpp

Use phi ranges to simplify code. No functionality change intended.

2017-12-30 15:27:33 +00:00

InstrEmitter.cpp

[SelectionDAG] Provide adequate register class for RegisterSDNode

2018-02-09 13:55:25 +00:00

InstrEmitter.h

Pass DebugLoc and SDLoc by const ref.

2016-06-12 15:39:02 +00:00

LegalizeDAG.cpp

[AArch64] Improve v8.1-A code-gen for atomic load-and

2018-02-12 17:03:11 +00:00

LegalizeFloatTypes.cpp

[SelectionDAG][X86] Don't use ->getValueType(0) after a call to getOperand to get the type of the operand.

2017-12-23 02:54:50 +00:00

LegalizeIntegerTypes.cpp

[AArch64] Improve v8.1-A code-gen for atomic load-and

2018-02-12 17:03:11 +00:00

LegalizeTypes.cpp

Add optional SelectionDAG* parameter to SValue::dump and SDValue::dumpr

2017-12-20 15:15:04 +00:00

LegalizeTypes.h

[SelectionDAG] Don't promote mask operand when widening mstore and mscatter.

2017-12-05 23:08:30 +00:00

LegalizeTypesGeneric.cpp

[SelectionDAG] Replace a std::vector<SDValue> with a SmallVector.

2018-01-26 07:15:22 +00:00

LegalizeVectorOps.cpp

[SelectionDAG] Fix codegen of vector stores with non byte-sized elements.

2018-01-20 16:05:10 +00:00

LegalizeVectorTypes.cpp

[LegalizeDAG] Truncate condition operand of ISD::SELECT

2018-02-07 05:38:29 +00:00

LLVMBuild.txt

…

ResourcePriorityQueue.cpp

Silence a bunch of implicit fallthrough warnings

2017-12-19 22:05:25 +00:00

ScheduleDAGFast.cpp

Fix a bunch more layering of CodeGen headers that are in Target

2017-11-17 01:07:10 +00:00

ScheduleDAGRRList.cpp

[ARM] Allow the scheduler to clone a node with glue to avoid a copy CPSR ↔ GPR.

2018-01-31 09:23:43 +00:00

ScheduleDAGSDNodes.cpp

Fix a bunch more layering of CodeGen headers that are in Target

2017-11-17 01:07:10 +00:00

ScheduleDAGSDNodes.h

[Target] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC).

2017-01-11 01:45:03 +00:00

ScheduleDAGVLIW.cpp

[CodeGen] Unify MBB reference format in both MIR and debug output

2017-12-04 17:18:51 +00:00

SDNodeDbgValue.h

Doxygenify comments.

2017-10-24 17:23:40 +00:00

SelectionDAG.cpp

[DAG] fix type of undef returned by getNode()

2018-02-13 14:55:07 +00:00

SelectionDAGAddressAnalysis.cpp

[DAG] Teach findBaseOffset to interpret indexes of indexed memory operations

2018-01-26 16:51:27 +00:00

SelectionDAGBuilder.cpp

[SelectionDAG]: Ignore "returned" in the presence of an implicit sret.

2018-01-30 00:14:40 +00:00

SelectionDAGBuilder.h

Fix a bunch more layering of CodeGen headers that are in Target

2017-11-17 01:07:10 +00:00

SelectionDAGDumper.cpp

[AArch64] Improve v8.1-A code-gen for atomic load-and

2018-02-12 17:03:11 +00:00

SelectionDAGISel.cpp

[DAG] Make early exit hasPredecessorHelper return true. NFCI.

2018-02-10 02:41:22 +00:00

SelectionDAGPrinter.cpp

Remove redundant includes from lib/CodeGen.

2017-12-13 21:30:47 +00:00

SelectionDAGTargetInfo.cpp

[CodeGen] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC).

2017-09-13 21:15:20 +00:00

StatepointLowering.cpp

Use getStoreSize() in various places instead of 'BitSize >> 3'.

2017-11-28 14:44:32 +00:00

StatepointLowering.h

[CodeGen] Fix some Clang-tidy modernize-use-default-member-init and Include What You Use warnings; other minor fixes (NFC).

2017-09-27 23:26:01 +00:00

TargetLowering.cpp

[TargetLowering] try to create -1 constant operand for math ops via demanded bits

2018-02-11 14:38:23 +00:00