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variables (for example, by-value struct arguments passed in registers, or large integer values split across several smaller registers). On the IR level, this adds a new type of complex address operation OpPiece to DIVariable that describes size and offset of a variable fragment. On the DWARF emitter level, all pieces describing the same variable are collected, sorted and emitted as DWARF expressions using the DW_OP_piece and DW_OP_bit_piece operators. http://reviews.llvm.org/D3373 rdar://problem/15928306 What this patch doesn't do / Future work: - This patch only adds the backend machinery to make this work, patches that change SROA and SelectionDAG's type legalizer to actually create such debug info will follow. (http://reviews.llvm.org/D2680) - Making the DIVariable complex expressions into an argument of dbg.value will reduce the memory footprint of the debug metadata. - The sorting/uniquing of pieces should be moved into DebugLocEntry, to facilitate the merging of multi-piece entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214576 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| Argument.h | ||
| AssemblyAnnotationWriter.h | ||
| Attributes.h | ||
| AutoUpgrade.h | ||
| BasicBlock.h | ||
| CallingConv.h | ||
| CallSite.h | ||
| CFG.h | ||
| CMakeLists.txt | ||
| Comdat.h | ||
| Constant.h | ||
| ConstantFolder.h | ||
| ConstantRange.h | ||
| Constants.h | ||
| DataLayout.h | ||
| DebugInfo.h | ||
| DebugLoc.h | ||
| DerivedTypes.h | ||
| DiagnosticInfo.h | ||
| DiagnosticPrinter.h | ||
| DIBuilder.h | ||
| Dominators.h | ||
| Function.h | ||
| GetElementPtrTypeIterator.h | ||
| GlobalAlias.h | ||
| GlobalObject.h | ||
| GlobalValue.h | ||
| GlobalVariable.h | ||
| GVMaterializer.h | ||
| InlineAsm.h | ||
| InstIterator.h | ||
| InstrTypes.h | ||
| Instruction.def | ||
| Instruction.h | ||
| Instructions.h | ||
| InstVisitor.h | ||
| IntrinsicInst.h | ||
| Intrinsics.h | ||
| Intrinsics.td | ||
| IntrinsicsAArch64.td | ||
| IntrinsicsARM.td | ||
| IntrinsicsHexagon.td | ||
| IntrinsicsMips.td | ||
| IntrinsicsNVVM.td | ||
| IntrinsicsPowerPC.td | ||
| IntrinsicsR600.td | ||
| IntrinsicsX86.td | ||
| IntrinsicsXCore.td | ||
| IRBuilder.h | ||
| IRPrintingPasses.h | ||
| LeakDetector.h | ||
| LegacyPassManager.h | ||
| LegacyPassManagers.h | ||
| LegacyPassNameParser.h | ||
| LLVMContext.h | ||
| Mangler.h | ||
| MDBuilder.h | ||
| Metadata.h | ||
| Module.h | ||
| NoFolder.h | ||
| OperandTraits.h | ||
| Operator.h | ||
| PassManager.h | ||
| PatternMatch.h | ||
| PredIteratorCache.h | ||
| SymbolTableListTraits.h | ||
| Type.h | ||
| TypeBuilder.h | ||
| TypeFinder.h | ||
| Use.h | ||
| UseListOrder.h | ||
| User.h | ||
| Value.h | ||
| ValueHandle.h | ||
| ValueMap.h | ||
| ValueSymbolTable.h | ||
| Verifier.h | ||