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llvm-6502/lib/Target/AArch64
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Arnaud A. de Grandmaison 8ee1b65836 [PBQP] Cautiously update edge costs in the solver 
The NodeMetadata are maintained in an incremental way. When an edge between
2 nodes has its cost updated, in the course of graph reduction for example,
the NodeMetadata need first to have the old edge cost removed, then the new
edge cost added. Only once the NodeMetadata have been fully updated, it
becomes safe to consider promoting the nodes to the
ConservativelyAllocatable or OptimallyReducible sets. Previously, this
promotion was occuring right after the removing the old cost, and this was
breaking the assumption that a ConservativelyAllocatable should not be
spilled.

This patch also adds asserts to:
 - enforces the invariant that a node's reduction can not be downgraded,
 - only not provably allocatable or optimally reducible nodes can be spilled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228816 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-11 08:25:36 +00:00
..
AsmParser Fix some unnoticed/unwanted behavior change from r222319. 2015-02-04 03:10:03 +00:00
Disassembler unique_ptrify the RelInfo parameter to TargetRegistry::createMCSymbolizer 2015-01-18 20:45:48 +00:00
InstPrinter [AArch64] Allow access to all system registers with MRS/MSR instructions. 2014-10-01 10:13:59 +00:00
MCTargetDesc Fix a problem where the AArch64 ELF assembler was failing with 2015-01-26 06:32:17 +00:00
TargetInfo AArch64: stop trying to take control of all UnknownArch triples. 2014-08-08 08:27:44 +00:00
Utils [AArch64] Allow access to all system registers with MRS/MSR instructions. 2014-10-01 10:13:59 +00:00
AArch64.h [PM] Remove a bunch of stale TTI creation method declarations. I nuked 2015-02-01 00:22:15 +00:00
AArch64.td Adding support to LLVM for targeting Cortex-A72 2015-02-04 13:31:29 +00:00
AArch64A53Fix835769.cpp Clean up some uses of getSubtarget in AArch64. 2015-01-30 01:10:24 +00:00
AArch64A57FPLoadBalancing.cpp [AArch64] Make AArch64A57FPLoadBalancing output stable. 2015-01-30 19:55:40 +00:00
AArch64AddressTypePromotion.cpp Fix typos in comments 2014-08-15 22:17:28 +00:00
AArch64AdvSIMDScalarPass.cpp This only needs TargetInstrInfo, not the specialized one. 2015-01-30 01:10:18 +00:00
AArch64AsmPrinter.cpp Migrate away from using a Subtarget except for the one place we want 2015-02-03 06:40:19 +00:00
AArch64BranchRelaxation.cpp Migrate AArch64 except for TTI and AsmPrinter away from getSubtargetImpl. 2015-01-28 03:51:33 +00:00
AArch64CallingConvention.h Move DataLayout back to the TargetMachine from TargetSubtargetInfo 2015-01-26 19:03:15 +00:00
AArch64CallingConvention.td Move DataLayout back to the TargetMachine from TargetSubtargetInfo 2015-01-26 19:03:15 +00:00
AArch64CleanupLocalDynamicTLSPass.cpp Clean up some uses of getSubtarget in AArch64. 2015-01-30 01:10:24 +00:00
AArch64CollectLOH.cpp Clean up some uses of getSubtarget in AArch64. 2015-01-30 01:10:24 +00:00
AArch64ConditionalCompares.cpp The subtarget is cached on the MachineFunction. Access it directly. 2015-01-27 07:31:29 +00:00
AArch64ConditionOptimizer.cpp Migrate AArch64 except for TTI and AsmPrinter away from getSubtargetImpl. 2015-01-28 03:51:33 +00:00
AArch64DeadRegisterDefinitionsPass.cpp Remove 'virtual' keyword from methods markedwith 'override' keyword. 2014-08-30 16:48:34 +00:00
AArch64ExpandPseudoInsts.cpp Have MachineFunction cache a pointer to the subtarget to make lookups 2014-08-05 02:39:49 +00:00
AArch64FastISel.cpp Clean up some uses of getSubtarget in AArch64. 2015-01-30 01:10:24 +00:00
AArch64FrameLowering.cpp Move DataLayout back to the TargetMachine from TargetSubtargetInfo 2015-01-26 19:03:15 +00:00
AArch64FrameLowering.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64InstrAtomics.td Make use of isAtLeastRelease/Acquire in the ARM/AArch64 backends 2014-08-18 16:48:58 +00:00
AArch64InstrFormats.td Replace neverHasSideEffects=1 with hasSideEffects=0 in all .td files. 2014-11-26 00:46:26 +00:00
AArch64InstrInfo.cpp Migrate AArch64 except for TTI and AsmPrinter away from getSubtargetImpl. 2015-01-28 03:51:33 +00:00
AArch64InstrInfo.h [cleanup] Re-sort all the #include lines in LLVM using 2015-01-14 11:23:27 +00:00
AArch64InstrInfo.td [AArch64] Prefer DUP/MOV ("CPY") to INS for vector_extract. 2015-02-02 17:55:57 +00:00
AArch64ISelDAGToDAG.cpp Avoid using the cast and use the templated accessor function. 2015-01-30 23:46:40 +00:00
AArch64ISelLowering.cpp ARM & AArch64: teach LowerVSETCC that output type size may differ from input. 2015-02-08 00:50:47 +00:00
AArch64ISelLowering.h Remove getSubtargetImpl from AArch64ISelLowering and cache the 2015-01-29 00:19:42 +00:00
AArch64LoadStoreOptimizer.cpp Migrate AArch64 except for TTI and AsmPrinter away from getSubtargetImpl. 2015-01-28 03:51:33 +00:00
AArch64MachineCombinerPattern.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64MachineFunctionInfo.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64MCInstLower.cpp Delete unused argument in AArch64MCInstLower constructor: it doesn't 2014-08-19 21:51:08 +00:00
AArch64MCInstLower.h Delete unused argument in AArch64MCInstLower constructor: it doesn't 2014-08-19 21:51:08 +00:00
AArch64PBQPRegAlloc.cpp [PBQP] Cautiously update edge costs in the solver 2015-02-11 08:25:36 +00:00
AArch64PBQPRegAlloc.h [AArch64] Cleanup A57PBQPConstraints 2014-10-22 12:40:20 +00:00
AArch64PerfectShuffle.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64PromoteConstant.cpp AArch64PromoteConstant: Modernize and resolve some Use<->User confusion. 2015-02-06 14:43:55 +00:00
AArch64RegisterInfo.cpp AArch64: add backend option to reserve x18 (platform register) 2015-01-21 15:43:31 +00:00
AArch64RegisterInfo.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64RegisterInfo.td Teach the AArch64 backend about v4f16 and v8f16 2014-08-27 16:16:04 +00:00
AArch64SchedA53.td Fix typos 2014-05-31 21:26:28 +00:00
AArch64SchedA57.td [AArch64] Enable partial & runtime unrolling on cortex-a57. 2014-10-09 10:13:27 +00:00
AArch64SchedA57WriteRes.td [AArch64] Refines the Cortex-A57 Machine Model 2014-09-29 21:27:36 +00:00
AArch64SchedCyclone.td AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
AArch64Schedule.td AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
AArch64SelectionDAGInfo.cpp Remove the TargetMachine forwards for TargetSubtargetInfo based 2014-08-04 21:25:23 +00:00
AArch64SelectionDAGInfo.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64StorePairSuppress.cpp Clean up the AArch64 store pair suppression pass initialization 2015-01-27 07:54:36 +00:00
AArch64Subtarget.cpp Remove getSubtargetImpl from AArch64ISelLowering and cache the 2015-01-29 00:19:42 +00:00
AArch64Subtarget.h Move DataLayout back to the TargetMachine from TargetSubtargetInfo 2015-01-26 19:03:15 +00:00
AArch64TargetMachine.cpp [multiversion] Switch all of the targets over to use the 2015-02-01 13:20:00 +00:00
AArch64TargetMachine.h [multiversion] Switch all of the targets over to use the 2015-02-01 13:20:00 +00:00
AArch64TargetObjectFile.cpp AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
AArch64TargetObjectFile.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
AArch64TargetTransformInfo.cpp [multiversion] Remove the function parameter from the unrolling 2015-02-01 14:31:23 +00:00
AArch64TargetTransformInfo.h [multiversion] Remove the function parameter from the unrolling 2015-02-01 14:31:23 +00:00
CMakeLists.txt [AArch64] Add workaround for Cortex-A53 erratum (835769) 2014-10-13 10:12:35 +00:00
LLVMBuild.txt Prune redundant libdeps. 2014-07-24 11:45:27 +00:00
Makefile AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00