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7186dd4513
llvm-6502/lib/CodeGen/AsmPrinter
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David Blaikie 7186dd4513 DebugInfo: Ensure that all debug location scope chains from instructions within a function, lead to the function itself. 
Originally committed in r211723, reverted in r211724 due to failure
cases found and fixed (ArgumentPromotion: r211872, Inlining: r212065),
and I now believe the invariant actually holds for some reasonable
amount of code (but I'll keep an eye on the buildbots and see what
happens... ).

Original commit message:

PR20038: DebugInfo: Inlined call sites where the caller has debug info
but the call itself has no debug location.

This situation does bad things when inlined, so I've fixed Clang not to
produce inlinable call sites without locations when the caller has debug
info (in the one case where I could find that this occurred). This
updates the PR20038 test case to be what clang now produces, and readds
the assertion that had to be removed due to this bug.

I've also beefed up the debug info verifier to help diagnose these
issues in the future, and I hope to add checks to the inliner to just
assert-fail if it encounters this situation. If, in the future, we
decide we have to cope with this situation, the right thing to do is
probably to just remove all the DebugLocs from the inlined instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212085 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-01 03:11:59 +00:00
..
AddressPool.cpp DWARF Type Units: Avoid emitting type units under fission if the type requires an address. 2014-04-26 17:27:38 +00:00
AddressPool.h AddressPool::HasBeenUsed: Add comment explaining the use-case for this flag. 2014-04-28 22:52:50 +00:00
ARMException.cpp CodeGen: refactor DwarfException 2014-06-11 01:19:03 +00:00
AsmPrinter.cpp CodeGen: rename Win64 ExceptionHandling to WinEH 2014-06-29 21:43:47 +00:00
AsmPrinterDwarf.cpp Clarify the doxygen comment for AsmPrinter::EmitDwarfRegOpPiece and add 2014-04-27 18:50:45 +00:00
AsmPrinterHandler.h Remove weak vtables. No functional change. 2013-12-14 12:23:14 +00:00
AsmPrinterInlineAsm.cpp Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
ByteStreamer.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 06:31:39 +00:00
CMakeLists.txt CodeGen: refactor DwarfException 2014-06-11 01:19:03 +00:00
DbgValueHistoryCalculator.cpp Generate better location ranges for some register-described variables. 2014-06-09 21:53:47 +00:00
DbgValueHistoryCalculator.h Change representation of instruction ranges where variable is accessible. 2014-05-27 23:09:50 +00:00
DebugLocEntry.h [C++] Use 'nullptr'. 2014-04-28 04:05:08 +00:00
DebugLocList.h DebugInfo: Introduce DebugLocList to encapsulate a list of DebugLocEntries and an MC Label to refer to them 2014-04-02 01:43:18 +00:00
DIE.cpp DIEEntry: Refer to the specified DIE via reference rather than pointer. 2014-04-25 19:33:43 +00:00
DIE.h DIE: Document some learnings about why the world isn't perfect. 2014-04-28 22:41:39 +00:00
DIEHash.cpp DIEEntry: Refer to the specified DIE via reference rather than pointer. 2014-04-25 19:33:43 +00:00
DIEHash.h [C++] Use 'nullptr'. 2014-04-24 06:44:33 +00:00
DwarfAccelTable.cpp DwarfAccelTable: Store the string symbol in the accelerator table to avoid duplicate lookup. 2014-04-25 22:21:35 +00:00
DwarfAccelTable.h Remove redundant explicit default initialization of non-trivially constructed member. 2014-04-27 14:47:23 +00:00
DwarfCFIException.cpp Print a=b as an assignment. 2014-06-24 22:45:16 +00:00
DwarfDebug.cpp DebugInfo: Ensure that all debug location scope chains from instructions within a function, lead to the function itself. 2014-07-01 03:11:59 +00:00
DwarfDebug.h DebugInfo: Remove some extra handling of abstract variables and instead rely solely on the delayed handling introduced in r210946 2014-06-13 23:52:55 +00:00
DwarfException.h CodeGen: refactor DwarfException 2014-06-11 01:19:03 +00:00
DwarfFile.cpp Encapsulate the DWARF string pool in a separate type. 2014-04-25 21:34:35 +00:00
DwarfFile.h Encapsulate the DWARF string pool in a separate type. 2014-04-25 21:34:35 +00:00
DwarfStringPool.cpp Make helper functions static. 2014-04-27 14:54:59 +00:00
DwarfStringPool.h Encapsulate the DWARF string pool in a separate type. 2014-04-25 21:34:35 +00:00
DwarfUnit.cpp DebugInfo: Following up to r209677, refactor local variable emission to delay the choice between emitting the definition attributes or using DW_AT_abstract_definition 2014-06-13 22:18:23 +00:00
DwarfUnit.h DebugInfo: Following up to r209677, refactor local variable emission to delay the choice between emitting the definition attributes or using DW_AT_abstract_definition 2014-06-13 22:18:23 +00:00
EHStreamer.cpp CodeGen: refactor DwarfException 2014-06-11 01:19:03 +00:00
EHStreamer.h CodeGen: refactor DwarfException 2014-06-11 01:19:03 +00:00
ErlangGCPrinter.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 06:31:39 +00:00
LLVMBuild.txt
Makefile
OcamlGCPrinter.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 06:31:39 +00:00
Win64Exception.cpp MC: rename EmitWin64EH routines 2014-06-29 01:52:01 +00:00
WinCodeViewLineTables.cpp The count() function for STL datatypes returns unsigned, even where it's 2014-06-20 10:26:56 +00:00
WinCodeViewLineTables.h [C++] Use 'nullptr'. 2014-04-28 04:05:08 +00:00