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llvm-mirror/lib/IR
Nikita Popov a969f2e8fa [ConstantRange] Clarify makeGuaranteedNoWrapRegion() guarantees; NFC
makeGuaranteedNoWrapRegion() is actually makeExactNoWrapRegion() as
long as only one of NUW or NSW is specified. This is not obvious from
the current documentation, and some code seems to think that it is
only exact for single-element ranges. Clarify docs and add tests to
be more confident this really holds.

There are currently no users of makeGuaranteedNoWrapRegion() that
pass both NUW and NSW. I think it would be best to drop support for
this entirely and then rename the function to makeExactNoWrapRegion().

Knowing that the no-wrap region is exact is useful, because we can
backwards-constrain values. What I have in mind in particular is
that LVI should be able to constrain values on edges where the
with.overflow overflow flag is false.

Differential Revision: https://reviews.llvm.org/D60598

llvm-svn: 358305
2019-04-12 19:36:47 +00:00
..
AbstractCallSite.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
AsmWriter.cpp Add LLVM IR debug info support for Fortran COMMON blocks 2019-04-08 19:13:55 +00:00
AttributeImpl.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Attributes.cpp IR: Add immarg attribute 2019-03-12 21:02:54 +00:00
AttributesCompatFunc.td
AutoUpgrade.cpp [ObjC][ARC] Convert the retainRV marker that is passed as a named 2019-04-10 06:20:20 +00:00
BasicBlock.cpp Revert "[INLINER] allow inlining of address taken blocks" 2019-02-14 23:42:21 +00:00
CMakeLists.txt Reland "[Remarks] Refactor remark diagnostic emission in a RemarkStreamer" 2019-03-06 15:20:13 +00:00
Comdat.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ConstantFold.cpp [ConstantFold] Don't evaluate FP or FP vector casts or truncations when simplifying icmp 2019-04-12 07:34:30 +00:00
ConstantFold.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ConstantRange.cpp [ConstantRange] Clarify makeGuaranteedNoWrapRegion() guarantees; NFC 2019-04-12 19:36:47 +00:00
Constants.cpp Change some StringRef::data() reinterpret_cast to bytes_begin() or arrayRefFromStringRef() 2019-04-07 03:58:42 +00:00
ConstantsContext.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Core.cpp [LLVM-C] Correct The Current Debug Location Accessors (Again) 2019-04-10 14:19:05 +00:00
DataLayout.cpp [IR][ARM] Add function pointer alignment to datalayout 2019-03-08 10:44:06 +00:00
DebugInfo.cpp [LLVM-C] Correct The Current Debug Location Accessors (Again) 2019-04-10 14:19:05 +00:00
DebugInfoMetadata.cpp Revert r358268 "[DebugInfo] DW_OP_deref_size in PrologEpilogInserter." 2019-04-12 12:54:52 +00:00
DebugLoc.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DiagnosticHandler.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DiagnosticInfo.cpp Revert "[Remarks] Refactor remark diagnostic emission in a RemarkStreamer" 2019-03-06 14:52:37 +00:00
DiagnosticPrinter.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DIBuilder.cpp Add LLVM IR debug info support for Fortran COMMON blocks 2019-04-08 19:13:55 +00:00
Dominators.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Function.cpp [opaque pointer types] Add a FunctionCallee wrapper type, and use it. 2019-02-01 02:28:03 +00:00
Globals.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
GVMaterializer.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
InlineAsm.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Instruction.cpp Implementation of asm-goto support in LLVM 2019-02-08 20:48:56 +00:00
Instructions.cpp [InstCombine] canonicalize select shuffles by commuting 2019-03-31 15:01:30 +00:00
IntrinsicInst.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
IRBuilder.cpp [opaque pointer types] Pass function types to InvokeInst creation. 2019-02-01 20:43:34 +00:00
IRPrintingPasses.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
LegacyPassManager.cpp Adds -ftime-trace option to clang that produces Chrome chrome://tracing compatible JSON profiling output dumps. 2019-03-30 08:42:48 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
LLVMContext.cpp Reland "[Remarks] Refactor remark diagnostic emission in a RemarkStreamer" 2019-03-06 15:20:13 +00:00
LLVMContextImpl.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
LLVMContextImpl.h Add LLVM IR debug info support for Fortran COMMON blocks 2019-04-08 19:13:55 +00:00
Mangler.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
MDBuilder.cpp [NFC] Fix unused variable warnings in Release builds 2019-01-19 09:39:57 +00:00
Metadata.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
MetadataImpl.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Module.cpp [PGO] Context sensitive PGO (part 2) 2019-02-28 19:55:07 +00:00
ModuleSummaryIndex.cpp [ThinLTO] Restructure AliasSummary to contain ValueInfo of Aliasee 2019-03-15 15:11:38 +00:00
Operator.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
OptBisect.cpp Fix IR/Analysis layering issue with OptBisect 2019-02-28 04:00:55 +00:00
Pass.cpp [IR] Refactor attribute methods in Function class (NFC) 2019-04-04 22:40:06 +00:00
PassInstrumentation.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
PassManager.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
PassRegistry.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
PassTimingInfo.cpp [Legacy][TimePasses] allow -time-passes reporting into a custom stream 2019-03-22 23:11:08 +00:00
ProfileSummary.cpp [PGO] Context sensitive PGO (part 2) 2019-02-28 19:55:07 +00:00
RemarkStreamer.cpp Reland "[Remarks] Add -foptimization-record-passes to filter remark emission" 2019-03-12 21:22:27 +00:00
SafepointIRVerifier.cpp SafepointIRVerifier port to new Pass Manager 2019-03-31 10:15:39 +00:00
Statepoint.cpp [CallSite removal] Migrate the statepoint GC infrastructure to use the 2019-02-11 07:42:30 +00:00
SymbolTableListTraitsImpl.h [ADT] Notify ilist traits about in-list transfers 2019-01-23 22:59:52 +00:00
Type.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
TypeFinder.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Use.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
User.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Value.cpp [IR][ARM] Add function pointer alignment to datalayout 2019-03-08 10:44:06 +00:00
ValueSymbolTable.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Verifier.cpp Add LLVM IR debug info support for Fortran COMMON blocks 2019-04-08 19:13:55 +00:00