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2a39c993eb
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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| .. | ||
| AsmWriter.cpp | ||
| AsmWriter.h | ||
| AttributeImpl.h | ||
| Attributes.cpp | ||
| AutoUpgrade.cpp | ||
| BasicBlock.cpp | ||
| CMakeLists.txt | ||
| Comdat.cpp | ||
| ConstantFold.cpp | ||
| ConstantFold.h | ||
| ConstantRange.cpp | ||
| Constants.cpp | ||
| ConstantsContext.h | ||
| Core.cpp | ||
| DataLayout.cpp | ||
| DebugInfo.cpp | ||
| DebugLoc.cpp | ||
| DiagnosticInfo.cpp | ||
| DiagnosticPrinter.cpp | ||
| DIBuilder.cpp | ||
| Dominators.cpp | ||
| Function.cpp | ||
| GCOV.cpp | ||
| Globals.cpp | ||
| GVMaterializer.cpp | ||
| InlineAsm.cpp | ||
| Instruction.cpp | ||
| Instructions.cpp | ||
| IntrinsicInst.cpp | ||
| IRBuilder.cpp | ||
| IRPrintingPasses.cpp | ||
| LeakDetector.cpp | ||
| LeaksContext.h | ||
| LegacyPassManager.cpp | ||
| LLVMBuild.txt | ||
| LLVMContext.cpp | ||
| LLVMContextImpl.cpp | ||
| LLVMContextImpl.h | ||
| Makefile | ||
| Mangler.cpp | ||
| MDBuilder.cpp | ||
| Metadata.cpp | ||
| Module.cpp | ||
| module.modulemap | ||
| Pass.cpp | ||
| PassManager.cpp | ||
| PassRegistry.cpp | ||
| SymbolTableListTraitsImpl.h | ||
| Type.cpp | ||
| TypeFinder.cpp | ||
| Use.cpp | ||
| UseListOrder.cpp | ||
| User.cpp | ||
| Value.cpp | ||
| ValueSymbolTable.cpp | ||
| ValueTypes.cpp | ||
| Verifier.cpp | ||