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llvm-project/llvm/lib/CodeGen/SelectionDAG
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Ahmed Bougacha a196661bb0 [CodeGen] Mark the promoted FCOPYSIGN result FP_ROUND as TRUNCating. 
Now that we can properly promote mismatched FCOPYSIGNs (r244858), we
can mark the FP_ROUND on the result as truncating, to expose folding.

FCOPYSIGN doesn't change anything but the sign bit, so
  (fp_round (fcopysign (fpext a), b))
is equivalent to (modulo the sign bit):
  (fp_round (fpext a))
which is a no-op.

llvm-svn: 244862
 		2015-08-13 01:32:30 +00:00
..
CMakeLists.txt [Statepoints 3/4] Statepoint infrastructure for garbage collection: SelectionDAGBuilder 2014-12-02 18:50:36 +00:00
DAGCombiner.cpp PseudoSourceValue: Replace global manager with a manager in a machine function. 2015-08-11 23:09:45 +00:00
FastISel.cpp StackMap: FastISel: Add an appropriate number of immediate operands to the 2015-08-10 21:27:03 +00:00
FunctionLoweringInfo.cpp Redirect DataLayout from TargetMachine to Module in ComputeValueVTs() 2015-07-09 01:57:34 +00:00
InstrEmitter.cpp Redirect DataLayout from TargetMachine to Module in SelectionDAG 2015-07-07 19:07:19 +00:00
InstrEmitter.h [SDAG] Give InstrEmitter hidden visibility 2015-07-01 14:55:10 +00:00
LLVMBuild.txt
…
LegalizeDAG.cpp [CodeGen] Mark the promoted FCOPYSIGN result FP_ROUND as TRUNCating. 2015-08-13 01:32:30 +00:00
LegalizeFloatTypes.cpp Make TargetLowering::getShiftAmountTy() taking DataLayout as an argument 2015-07-09 02:09:20 +00:00
LegalizeIntegerTypes.cpp PseudoSourceValue: Replace global manager with a manager in a machine function. 2015-08-11 23:09:45 +00:00
LegalizeTypes.cpp Use more foreach loops in SelectionDAG. NFC 2015-07-14 23:43:29 +00:00
LegalizeTypes.h [CodeGen] Fix FCOPYSIGN legalization to account for mismatched types. 2015-08-04 00:32:55 +00:00
LegalizeTypesGeneric.cpp PseudoSourceValue: Replace global manager with a manager in a machine function. 2015-08-11 23:09:45 +00:00
LegalizeVectorOps.cpp Add new ISD nodes: ISD::FMINNAN and ISD::FMAXNAN 2015-08-11 09:13:05 +00:00
LegalizeVectorTypes.cpp Add new ISD nodes: ISD::FMINNAN and ISD::FMAXNAN 2015-08-11 09:13:05 +00:00
Makefile
…
ResourcePriorityQueue.cpp Fix some comment typos. 2015-08-08 18:27:36 +00:00
SDNodeDbgValue.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
ScheduleDAGFast.cpp Add allnodes() iterator range to SelectionDAG. NFC. 2015-07-14 22:10:54 +00:00
ScheduleDAGRRList.cpp Convert a bunch of loops to foreach. NFC. 2015-06-26 19:18:49 +00:00
ScheduleDAGSDNodes.cpp Add allnodes() iterator range to SelectionDAG. NFC. 2015-07-14 22:10:54 +00:00
ScheduleDAGSDNodes.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
ScheduleDAGVLIW.cpp Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
SelectionDAG.cpp [CodeGen] Assert on getNode(FP_EXTEND) with a smaller dst type. 2015-08-13 01:10:29 +00:00
SelectionDAGBuilder.cpp PseudoSourceValue: Replace global manager with a manager in a machine function. 2015-08-11 23:09:45 +00:00
SelectionDAGBuilder.h New EH representation for MSVC compatibility 2015-07-31 17:58:14 +00:00
SelectionDAGDumper.cpp NFC SelectionDAGDumper: fix typo 2015-08-11 21:10:07 +00:00
SelectionDAGISel.cpp Move the Target way of overriding DAG Scheduler to a target hook 2015-07-28 06:18:04 +00:00
SelectionDAGPrinter.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
StatepointLowering.cpp PseudoSourceValue: Replace global manager with a manager in a machine function. 2015-08-11 23:09:45 +00:00
StatepointLowering.h [StatepointLowering] Support of the gc.relocates for invoke statepoints. 2015-05-20 11:37:25 +00:00
TargetLowering.cpp Implement target independent TLS compatible with glibc's emutls.c. 2015-07-28 16:24:05 +00:00
TargetSelectionDAGInfo.cpp Remove getDataLayout() from TargetSelectionDAGInfo (had no users) 2015-07-09 02:10:08 +00:00