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llvm-project/llvm/lib/Transforms/Utils
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Hal Finkel ff0bcb60c9 Convert noalias parameter attributes into noalias metadata during inlining 
This functionality is currently turned off by default.

Part of the motivation for introducing scoped-noalias metadata is to enable the
preservation of noalias parameter attribute information after inlining.
Sometimes this can be inferred from the code in the caller after inlining, but
often we simply lose valuable information.

The overall process if fairly simple:
 1. Create a new unqiue scope domain.
 2. For each (used) noalias parameter, create a new alias scope.
 3. For each pointer, collect the underlying objects. Add a noalias scope for
    each noalias parameter from which we're not derived (and has not been
    captured prior to that point).
 4. Add an alias.scope for each noalias parameter from which we might be
    derived (or has been captured before that point).

Note that the capture checks apply only if one of the underlying objects is not
an identified function-local object.

llvm-svn: 213949
 		2014-07-25 15:50:08 +00:00
..
ASanStackFrameLayout.cpp Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
AddDiscriminators.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
BasicBlockUtils.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
BreakCriticalEdges.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
BuildLibCalls.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
BypassSlowDivision.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
CMakeLists.txt Decouple llvm::SpecialCaseList text representation and its LLVM IR semantics. 2014-07-09 19:40:08 +00:00
CloneFunction.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
CloneModule.cpp Allow alias to point to an arbitrary ConstantExpr. 2014-06-03 02:41:57 +00:00
CmpInstAnalysis.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
CodeExtractor.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
CtorUtils.cpp Add comdat key field to llvm.global_ctors and llvm.global_dtors 2014-05-16 20:39:27 +00:00
DemoteRegToStack.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
FlattenCFG.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
GlobalStatus.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
InlineFunction.cpp Convert noalias parameter attributes into noalias metadata during inlining 2014-07-25 15:50:08 +00:00
InstructionNamer.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 09:10:37 +00:00
IntegerDivision.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
LCSSA.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
LLVMBuild.txt LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
Local.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
LoopSimplify.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
LoopUnroll.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
LoopUnrollRuntime.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
LowerExpectIntrinsic.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
LowerInvoke.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
LowerSwitch.cpp Fixup PHIs in LowerSwitch when a Leaf node is not emitted. 2014-07-11 10:34:36 +00:00
Makefile
…
Mem2Reg.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
MetaRenamer.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 09:10:37 +00:00
ModuleUtils.cpp Add comdat key field to llvm.global_ctors and llvm.global_dtors 2014-05-16 20:39:27 +00:00
PromoteMemoryToRegister.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
SSAUpdater.cpp Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges." 2014-07-21 17:06:51 +00:00
SimplifyCFG.cpp Feedback from Hans on r213815. No functionaility change. 2014-07-24 21:13:20 +00:00
SimplifyIndVar.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
SimplifyInstructions.cpp RecursivelyDeleteTriviallyDeadInstructions() could remove 2014-04-26 05:58:11 +00:00
SimplifyLibCalls.cpp Add support for missed and analysis optimization remarks. 2014-05-22 14:19:46 +00:00
UnifyFunctionExitNodes.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
Utils.cpp Pass to emit DWARF path discriminators. 2014-03-03 20:06:11 +00:00
ValueMapper.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00