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llvm-project/llvm/lib/CodeGen/AsmPrinter
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Adrian Prantl bceaaa9643 [IR] Remove the DIExpression field from DIGlobalVariable. 
This patch implements PR31013 by introducing a
DIGlobalVariableExpression that holds a pair of DIGlobalVariable and
DIExpression.

Currently, DIGlobalVariables holds a DIExpression. This is not the
best way to model this:

(1) The DIGlobalVariable should describe the source level variable,
    not how to get to its location.

(2) It makes it unsafe/hard to update the expressions when we call
    replaceExpression on the DIGLobalVariable.

(3) It makes it impossible to represent a global variable that is in
    more than one location (e.g., a variable with multiple
    DW_OP_LLVM_fragment-s).  We also moved away from attaching the
    DIExpression to DILocalVariable for the same reasons.

This reapplies r289902 with additional testcase upgrades and a change
to the Bitcode record for DIGlobalVariable, that makes upgrading the
old format unambiguous also for variables without DIExpressions.

<rdar://problem/29250149>
https://llvm.org/bugs/show_bug.cgi?id=31013
Differential Revision: https://reviews.llvm.org/D26769

llvm-svn: 290153
 		2016-12-20 02:09:43 +00:00
..
ARMException.cpp Move most EH from MachineModuleInfo to MachineFunction 2016-12-01 19:32:15 +00:00
AddressPool.cpp Move helpers into anonymous namespaces. NFC. 2016-08-06 11:13:10 +00:00
AddressPool.h One more batch of self-containing headers. 2016-01-27 19:29:56 +00:00
AsmPrinter.cpp Replace APFloatBase static fltSemantics data members with getter functions 2016-12-14 11:57:17 +00:00
AsmPrinterDwarf.cpp Fix LLVM's use of DW_OP_bit_piece in DWARF expressions. 2016-12-09 20:43:40 +00:00
AsmPrinterHandler.h Extract the method to begin and end a fragment in AsmPrinterHandler in their own method. NFC 2016-02-26 20:30:37 +00:00
AsmPrinterInlineAsm.cpp Recognize ${:uid} escapes in intel syntax inline asm 2016-11-29 00:29:27 +00:00
ByteStreamer.h [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
CMakeLists.txt [CMake] NFC. Updating CMake dependency specifications 2016-11-17 04:36:50 +00:00
CodeViewDebug.cpp [IR] Remove the DIExpression field from DIGlobalVariable. 2016-12-20 02:09:43 +00:00
CodeViewDebug.h Move VariableDbgInfo from MachineModuleInfo to MachineFunction 2016-11-30 23:48:50 +00:00
DIE.cpp Plug another leak in the DWARF unittests, DIEInlineStrings are never destroyed. 2016-12-09 13:33:41 +00:00
DIEHash.cpp Make a DWARF generator so we can unit test DWARF APIs with gtest. 2016-12-08 01:03:48 +00:00
DIEHash.h Apply another batch of fixes from clang-tidy's performance-unnecessary-value-param. 2016-06-17 20:41:14 +00:00
DbgValueHistoryCalculator.cpp CodeGen: Give MachineBasicBlock::reverse_iterator a handle to the current MI 2016-09-11 18:51:28 +00:00
DbgValueHistoryCalculator.h One more batch of self-containing headers. 2016-01-27 19:29:56 +00:00
DebugHandlerBase.cpp Recommit r288212: Emit 'no line' information for interesting 'orphan' instructions. 2016-12-12 20:49:11 +00:00
DebugHandlerBase.h Recommit r288212: Emit 'no line' information for interesting 'orphan' instructions. 2016-12-12 20:49:11 +00:00
DebugLocEntry.h [DIExpression] Introduce a dedicated DW_OP_LLVM_fragment operation 2016-12-05 18:04:47 +00:00
DebugLocStream.cpp
…
DebugLocStream.h
…
DwarfAccelTable.cpp This change removes the dependency on DwarfDebug that was used for DW_FORM_ref_addr by making a new DIEUnit class in DIE.cpp. 2016-12-01 18:56:29 +00:00
DwarfAccelTable.h Remove LLVM_CONSTEXPR. 2016-10-23 19:39:16 +00:00
DwarfCFIException.cpp Move most EH from MachineModuleInfo to MachineFunction 2016-12-01 19:32:15 +00:00
DwarfCompileUnit.cpp [IR] Remove the DIExpression field from DIGlobalVariable. 2016-12-20 02:09:43 +00:00
DwarfCompileUnit.h [IR] Remove the DIExpression field from DIGlobalVariable. 2016-12-20 02:09:43 +00:00
DwarfDebug.cpp [IR] Remove the DIExpression field from DIGlobalVariable. 2016-12-20 02:09:43 +00:00
DwarfDebug.h DebugInfo: Address non-deterministic output (iterating a SmallPtrSet) in 289697 2016-12-15 23:37:38 +00:00
DwarfException.h Extract the method to begin and end a fragment in AsmPrinterHandler in their own method. NFC 2016-02-26 20:30:37 +00:00
DwarfExpression.cpp Fix LLVM's use of DW_OP_bit_piece in DWARF expressions. 2016-12-09 20:43:40 +00:00
DwarfExpression.h [IR] Remove the DIExpression field from DIGlobalVariable. 2016-12-20 02:09:43 +00:00
DwarfFile.cpp Make a DWARF generator so we can unit test DWARF APIs with gtest. 2016-12-08 01:03:48 +00:00
DwarfFile.h Make a DWARF generator so we can unit test DWARF APIs with gtest. 2016-12-08 01:03:48 +00:00
DwarfStringPool.cpp
…
DwarfStringPool.h
…
DwarfUnit.cpp Fix LLVM's use of DW_OP_bit_piece in DWARF expressions. 2016-12-09 20:43:40 +00:00
DwarfUnit.h Fix LLVM's use of DW_OP_bit_piece in DWARF expressions. 2016-12-09 20:43:40 +00:00
EHStreamer.cpp Move most EH from MachineModuleInfo to MachineFunction 2016-12-01 19:32:15 +00:00
EHStreamer.h Extract the method to begin and end a fragment in AsmPrinterHandler in their own method. NFC 2016-02-26 20:30:37 +00:00
ErlangGCPrinter.cpp Move most user of TargetMachine::getDataLayout to the Module one 2015-07-16 06:11:10 +00:00
LLVMBuild.txt Prune unused libdeps. 2016-12-08 15:28:02 +00:00
OcamlGCPrinter.cpp Use the range variant of find instead of unpacking begin/end 2016-08-11 22:21:41 +00:00
WinException.cpp Don't emit .seh_handler directives for any cleanup funclets 2016-12-08 20:38:46 +00:00
WinException.h [WinEH] Move WinEHFuncInfo from MachineModuleInfo to MachineFunction 2015-11-17 21:10:25 +00:00