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* [DebugInfo] Fix debug information label testsPetar Jovanovic2018-10-081-1/+1
| | | | | | | | | | | | | | | | Remove the space in the asm check so that the expression is more general and can also capture MIPS labels which can be surrounded by braces, e.g.: .4byte ($tmp1) # DW_AT_low_pc Also change optimization level to O0 because the DW_TAG_label does not appear on MIPS when -O2 is used. Patch by Milos Stojanovic. Differential Revision: https://reviews.llvm.org/D52901 llvm-svn: 343999
* [DebugInfo] Generate DWARF debug information for labels. (Fix leak problems)Hsiangkai Wang2018-08-171-0/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. It also generates label debug information under global isel. Differential Revision: https://reviews.llvm.org/D45556 llvm-svn: 340039
* Revert "[DebugInfo] Generate DWARF debug information for labels. (Fix leak ↵Bruno Cardoso Lopes2018-08-141-50/+0
| | | | | | | | | | | | problems)" This reverts commit cb8c5e417d55141f3f079a8a876e786f44308336 / r339676. This causing a test to fail in http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/48406/ LLVM :: DebugInfo/Generic/debug-label.ll llvm-svn: 339700
* [DebugInfo] Generate DWARF debug information for labels. (Fix leak problems)Hsiangkai Wang2018-08-141-0/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. It also generates label debug information under global isel. Differential Revision: https://reviews.llvm.org/D45556 llvm-svn: 339676
* Revert "[DebugInfo] Generate DWARF debug information for labels."Vlad Tsyrklevich2018-07-311-50/+0
| | | | | | | This reverts commits r338390 and r338398, they were causing LSan failures on the ASan bot. llvm-svn: 338408
* [DebugInfo] Generate DWARF debug information for labels.Hsiangkai Wang2018-07-311-0/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. It also generates label debug information under global isel. Differential Revision: https://reviews.llvm.org/D45556 llvm-svn: 338390
* Revert "[DebugInfo] Generate DWARF debug information for labels."Shiva Chen2018-07-241-50/+0
| | | | | | This reverts commit b454fa1b4079b6c0a5b1565982d16516385838d7. llvm-svn: 337812
* [DebugInfo] Generate DWARF debug information for labels.Shiva Chen2018-07-241-0/+50
There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. Differential Revision: https://reviews.llvm.org/D45556 Patch by Hsiangkai Wang. llvm-svn: 337799
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