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llvm-mirror/include/llvm/IR
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Florian Hahn 1f9320a4cd Align definition of DW_OP_plus with DWARF spec [3/3] 
Summary:
This patch is part of 3 patches that together form a single patch, but must be introduced in stages in order not to break things.
 
The way that LLVM interprets DW_OP_plus in DIExpression nodes is basically that of the DW_OP_plus_uconst operator since LLVM expects an unsigned constant operand. This unnecessarily restricts the DW_OP_plus operator, preventing it from being used to describe the evaluation of runtime values on the expression stack. These patches try to align the semantics of DW_OP_plus and DW_OP_minus with that of the DWARF definition, which pops two elements off the expression stack, performs the operation and pushes the result back on the stack.
 
This is done in three stages:
• The first patch (LLVM) adds support for DW_OP_plus_uconst.
• The second patch (Clang) contains changes all its uses from DW_OP_plus to DW_OP_plus_uconst.
• The third patch (LLVM) changes the semantics of DW_OP_plus and DW_OP_minus to be in line with its DWARF meaning. This patch includes the bitcode upgrade from legacy DIExpressions.

Patch by Sander de Smalen.

Reviewers: echristo, pcc, aprantl

Reviewed By: aprantl

Subscribers: fhahn, javed.absar, aprantl, llvm-commits

Differential Revision: https://reviews.llvm.org/D33894

llvm-svn: 305386
2017-06-14 13:14:38 +00:00
..
Argument.h [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
AssemblyAnnotationWriter.h
Attributes.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Attributes.td Add speculatable function attribute 2017-04-28 20:25:27 +00:00
AutoUpgrade.h
BasicBlock.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
CallingConv.h [MSP430] Generate EABI-compliant libcalls 2017-05-11 19:56:14 +00:00
CallSite.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
CFG.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-05 22:30:37 +00:00
CMakeLists.txt
Comdat.h [IR] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-02-17 00:00:09 +00:00
Constant.h [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
ConstantFolder.h
ConstantRange.h [ConstantRange][SimplifyCFG] Add a helper method to allow SimplifyCFG to determine if a ConstantRange has more than 8 elements without requiring an allocation if the ConstantRange is 64-bits wide. 2017-05-07 22:22:11 +00:00
Constants.h [IR] Remove a couple explicitly deleted default constructors on classes that have a non-default constructor. NFC 2017-06-13 17:58:59 +00:00
DataLayout.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
DebugInfo.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-05 22:30:37 +00:00
DebugInfoFlags.def Revert "Debug Info: Add basic support for external types references." 2017-03-13 22:56:14 +00:00
DebugInfoMetadata.h Align definition of DW_OP_plus with DWARF spec [3/3] 2017-06-14 13:14:38 +00:00
DebugLoc.h Reapply "[Cloning] Take another pass at properly cloning debug info" 2017-06-01 23:02:12 +00:00
DerivedTypes.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-10 23:41:30 +00:00
DerivedUser.h [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
DiagnosticInfo.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
DiagnosticPrinter.h
DIBuilder.h [DIBuilder] Add a more fine-grained finalization method 2017-06-01 20:42:44 +00:00
Dominators.h Handle non-unique edges in edge-dominance 2017-06-05 16:27:09 +00:00
Function.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
GetElementPtrTypeIterator.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
GlobalAlias.h De-virtualize GlobalValue 2017-05-11 21:14:29 +00:00
GlobalIFunc.h De-virtualize GlobalValue 2017-05-11 21:14:29 +00:00
GlobalIndirectSymbol.h [IR] Implement pairs of non-const and const methods using the const version instead of the non-const version. NFCI 2017-03-27 05:47:03 +00:00
GlobalObject.h De-virtualize GlobalValue 2017-05-11 21:14:29 +00:00
GlobalValue.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
GlobalVariable.h [IR] Stop deleting other signatures of User::operator new when we override one signature in a class derived from User 2017-06-12 23:25:15 +00:00
GVMaterializer.h
InlineAsm.h [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
InstIterator.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-05 22:30:37 +00:00
InstrTypes.h [IR] Remove a couple explicitly deleted default constructors on classes that have a non-default constructor. NFC 2017-06-13 17:58:59 +00:00
Instruction.def [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Instruction.h [LoopVectorize] Don't preserve nsw/nuw flags on shrunken ops. 2017-06-09 03:56:15 +00:00
Instructions.h [IR] Remove override of operator new from PHINode. 2017-06-13 00:00:19 +00:00
InstVisitor.h [IR/Analysis] Defend against getting slightly wrong template arguments 2017-02-07 03:17:30 +00:00
IntrinsicInst.h Add constrained intrinsics for some libm-equivalent operations 2017-05-25 21:31:00 +00:00
Intrinsics.h Support arbitrary address space pointers in masked gather/scatter intrinsics. 2017-05-03 12:28:54 +00:00
Intrinsics.td Add constrained intrinsics for some libm-equivalent operations 2017-05-25 21:31:00 +00:00
IntrinsicsAArch64.td [AArch64] Add support for lowering bitreverse to the rbit instruction. 2017-01-10 17:20:33 +00:00
IntrinsicsAMDGPU.td [AMDGPU] Add intrinsics for alignbit and alignbyte instructions 2017-06-09 19:03:00 +00:00
IntrinsicsARM.td [ARM] ACLE Chapter 9 intrinsics 2017-05-04 07:31:28 +00:00
IntrinsicsBPF.td
IntrinsicsHexagon.td [Hexagon] Add intrinsics for masked vector stores 2017-02-22 21:23:09 +00:00
IntrinsicsMips.td
IntrinsicsNVVM.td [NVPTX] Add intrinsics to support named barriers. 2017-01-28 16:38:15 +00:00
IntrinsicsPowerPC.td [PPC] Lower load acquire/seq_cst trailing fence to cmp + bne + isync. 2017-05-16 20:18:06 +00:00
IntrinsicsSystemZ.td
IntrinsicsWebAssembly.td [WebAssembly] Update grow_memory's return type. 2017-01-18 01:02:45 +00:00
IntrinsicsX86.td [X86][LWP] Add llvm support for LWP instructions (reapplied). 2017-05-03 15:51:39 +00:00
IntrinsicsXCore.td
IRBuilder.h [Atomics][LoopIdiom] Recognize unordered atomic memcpy 2017-06-06 16:45:25 +00:00
IRPrintingPasses.h
LegacyPassManager.h [LTO] Print time-passes information at conclusion of LTO codegen 2017-05-16 09:43:21 +00:00
LegacyPassManagers.h
LegacyPassNameParser.h
LLVMContext.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
Mangler.h Move llvm::emitLinkerFlagsForGlobalCOFF() to Mangler. 2017-03-31 04:46:50 +00:00
MDBuilder.h Add function importing info from samplepgo profile to the module summary. 2017-02-28 18:09:44 +00:00
Metadata.def [IR] Remove the DIExpression field from DIGlobalVariable. 2016-12-20 02:09:43 +00:00
Metadata.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Module.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ModuleSlotTracker.h
ModuleSummaryIndex.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ModuleSummaryIndexYAML.h Skip CFI for dead functions. 2017-06-02 18:24:23 +00:00
NoFolder.h
OperandTraits.h [IR] Remove stale comment from HungoffOperandTraits. NFC 2017-06-10 06:58:26 +00:00
Operator.h [IR] Stop deleting other signatures of User::operator new when we override one signature in a class derived from User 2017-06-12 23:25:15 +00:00
OptBisect.h Remove opt-bisect support for "cases" in favor of debug counters 2017-03-11 01:41:03 +00:00
PassManager.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
PassManagerInternal.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
PatternMatch.h Fix m_[Ord|Unord][FMin|FMax] matchers to correctly match ordering. 2017-06-13 17:18:45 +00:00
PredIteratorCache.h Make PredIteratorCache size() logically const. Do not require copying predecessors to get size. 2017-03-14 11:25:45 +00:00
ProfileSummary.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
Statepoint.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SymbolTableListTraits.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
TrackingMDRef.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
Type.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
TypeBuilder.h
TypeFinder.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
Use.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
UseListOrder.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-10 23:41:30 +00:00
User.h [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Value.def [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Value.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ValueHandle.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-10 23:41:30 +00:00
ValueMap.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-10 23:41:30 +00:00
ValueSymbolTable.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-10 23:41:30 +00:00
Verifier.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00