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Andrew Kaylor f0f279291c Initial implementation of optimization bisect support. 
This patch implements a optimization bisect feature, which will allow optimizations to be selectively disabled at compile time in order to track down test failures that are caused by incorrect optimizations.

The bisection is enabled using a new command line option (-opt-bisect-limit).  Individual passes that may be skipped call the OptBisect object (via an LLVMContext) to see if they should be skipped based on the bisect limit.  A finer level of control (disabling individual transformations) can be managed through an addition OptBisect method, but this is not yet used.

The skip checking in this implementation is based on (and replaces) the skipOptnoneFunction check.  Where that check was being called, a new call has been inserted in its place which checks the bisect limit and the optnone attribute.  A new function call has been added for module and SCC passes that behaves in a similar way.

Differential Revision: http://reviews.llvm.org/D19172

llvm-svn: 267022
 		2016-04-21 17:58:54 +00:00
..
AsmWriter.cpp IR: Avoid mallocs in constructor of ModuleSlotTracker 2016-04-20 19:05:59 +00:00
AttributeImpl.h Add the allocsize attribute to LLVM. 2016-04-12 01:05:35 +00:00
Attributes.cpp Attempt to make buildbot happier with r266032. 2016-04-12 01:44:13 +00:00
AttributesCompatFunc.td Provide a way to specify inliner's attribute compatibility and merging. 2015-12-22 23:57:37 +00:00
AutoUpgrade.cpp [AArch64] [ARM] Make a target-independent llvm.thread.pointer intrinsic. 2016-04-19 20:51:05 +00:00
BasicBlock.cpp Introduce @llvm.experimental.deoptimize 2016-03-11 19:08:34 +00:00
CMakeLists.txt Initial implementation of optimization bisect support. 2016-04-21 17:58:54 +00:00
Comdat.cpp
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ConstantFold.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
ConstantFold.h [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
ConstantRange.cpp [ConstantRange] Generalize makeGuaranteedNoWrapRegion to work on ranges 2016-03-03 18:31:16 +00:00
Constants.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
ConstantsContext.h Increase SmallVector size for ConstantUniqueMap::getHashValue() (NFC) 2016-04-19 00:17:55 +00:00
Core.cpp Add LLVMGetAttrKindID in the C API in order to facilitate migration away from LLVMAttribute 2016-04-20 01:02:12 +00:00
DIBuilder.cpp IR: Use SmallVector instead of std::vector of TrackingMDRef 2016-04-20 20:14:09 +00:00
DataLayout.cpp Replace Type::getInt32Ty() and comparison by isIntegerTy(32). NFC. 2016-01-22 03:30:27 +00:00
DebugInfo.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
DebugInfoMetadata.cpp Fixed Dwarf debug info emission to skip DILexicalBlockFile entries. 2016-04-21 16:58:49 +00:00
DebugLoc.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
DiagnosticInfo.cpp Refactor backend diagnostics for unsupported features 2016-02-02 13:52:43 +00:00
DiagnosticPrinter.cpp MIR Serialization: Connect the machine function analysis pass to the MIR parser. 2015-06-15 20:30:22 +00:00
Dominators.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
Function.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
GCOV.cpp llvm-cov: Fix reading gcov data that does not have function names 2016-02-08 22:49:40 +00:00
GVMaterializer.cpp
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Globals.cpp [GCC] Attribute ifunc support in llvm 2016-04-07 12:32:19 +00:00
IRBuilder.cpp Revert "Support arbitrary addrspace pointers in masked load/store intrinsics" 2016-04-14 08:47:17 +00:00
IRPrintingPasses.cpp Recommit r256952 "Filtering IR printing for print-after-all/print-before-all" 2016-01-06 22:55:03 +00:00
InlineAsm.cpp Fix SEGV in InlineAsm::ConstraintInfo::Parse. 2015-09-03 15:41:37 +00:00
Instruction.cpp Check alloca's special state 2016-04-12 18:06:55 +00:00
Instructions.cpp Address Philip's post-commit feedback for r266987. NFC. 2016-04-21 16:18:02 +00:00
IntrinsicInst.cpp IR: Add DbgInfoIntrinsic::getVariableLocation 2016-03-29 18:56:03 +00:00
LLVMBuild.txt
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LLVMContext.cpp Initial implementation of optimization bisect support. 2016-04-21 17:58:54 +00:00
LLVMContextImpl.cpp Initial implementation of optimization bisect support. 2016-04-21 17:58:54 +00:00
LLVMContextImpl.h Initial implementation of optimization bisect support. 2016-04-21 17:58:54 +00:00
LegacyPassManager.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MDBuilder.cpp [MDBuilder] Simplify code using initializer lists. NFC. 2015-11-22 18:03:17 +00:00
Mangler.cpp Update to use new name alignTo(). 2016-01-14 21:06:47 +00:00
Metadata.cpp IR: Use std::vector instead of SmallPtrSet for distinct nodes, NFC 2016-04-19 23:59:13 +00:00
MetadataImpl.h DI: Disallow uniquable DICompileUnits 2015-08-03 17:26:41 +00:00
Module.cpp [ThinLTO] Prevent importing of "llvm.used" values 2016-04-20 14:39:45 +00:00
ModuleSummaryIndex.cpp ThinLTO: Move the ODR resolution to be based purely on the summary. 2016-04-16 07:02:16 +00:00
Operator.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
OptBisect.cpp Initial implementation of optimization bisect support. 2016-04-21 17:58:54 +00:00
Pass.cpp Initial implementation of optimization bisect support. 2016-04-21 17:58:54 +00:00
PassManager.cpp [PM] Implement the final conclusion as to how the analysis IDs should 2016-03-11 10:22:49 +00:00
PassRegistry.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
Statepoint.cpp Introduce an GCRelocateInst class [NFC] 2016-04-12 18:05:10 +00:00
SymbolTableListTraitsImpl.h IR: Remove implicit iterator conversions from lib/IR, NFC 2015-10-08 23:49:46 +00:00
Type.cpp [IR] Mark the Type subclass helper methods 'inline' and move their definitions to DerivedTypes.h so they can be inlined by the compiler. 2015-12-25 04:06:20 +00:00
TypeFinder.cpp Re-reapply "[IR] Move optional data in llvm::Function into a hungoff uselist" 2015-12-19 08:52:49 +00:00
Use.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
User.cpp [IR] Teach `llvm::User` to co-allocate a descriptor. 2015-09-24 01:00:49 +00:00
Value.cpp Don't IPO over functions that can be de-refined 2016-04-08 00:48:30 +00:00
ValueSymbolTable.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
ValueTypes.cpp Add isScalarInteger helper to EVT/MVT 2016-03-01 18:01:28 +00:00
Verifier.cpp Verifier: Add ModuleSlotTracker to printAsOperand call 2016-04-20 18:42:51 +00:00