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2011-07-06Remove dead code.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134561 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24Handle debug info for i128 constants.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22Emit trailing padding on constant vectors when TargetData says that the vectorNick Lewycky
is larger than the sum of the elements (including per-element padding). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133631 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Add verbose EH table printing to SjLj exception tables.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133561 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Improve the comment printing for the EH table. This gives a much more detailedBill Wendling
explanation of what the EH table describes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133559 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-19Fix a FIXME by making GlobalVariable::getInitializer() return aJay Foad
const Constant *. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133400 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Handle jump tables. Test to follow soon.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133083 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Revert r133004 ; it's breaking nightly tests.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133007 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Partial revert of 132882.Rafael Espindola
Dan noted that this would work on the case shown on the commit message. I think the case that was failing was a bb ending with a redundant conditional jump: ... jne foo foo: ... I was unable to find any such case in the tests or in a debug build of clang, so I will revert this part of the patch and watch the bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Implement Jakob's suggestion on how to detect fall thought without callingRafael Espindola
AnalyzeBranch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132981 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-12Really fix the fall-through logic.Rafael Espindola
Add a triple to the tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132885 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-12Fix silly bug I introduce in the previous commit. Fixes debug builds.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132883 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-12AnalyzeBranch doesn't change which successors a bb has, just the orderRafael Espindola
we try to branch to them. Before we were creating successor lists with duplicated entries. Fixing that found a bug in isBlockOnlyReachableByFallthrough that would causes it to return the wrong answer for ----------- ... jne foo jmp bar foo: ---------- git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132882 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-10Ensure that EmitGlobalVariable is correctly differentiating between declarationsChad Rosier
and definitions when emitting global variables. This was causing global declarations to be emitted as if they were definitions. Fixes <rdar://problem/9429892>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-05Use path API for path concatenation.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132668 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01A DBG_VALUE that truncates a range does not start another dbg value range.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Do not drop constant values when a variable's content is described using ↵Devang Patel
.debug_loc entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Incomplete type may not have corresponding DIE, so do not check DIEEntry ↵Devang Patel
eagerly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Refactor.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132373 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Include global types, that are referenced through local variables, in ↵Devang Patel
debug_pubtypes list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132371 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-30Emit the handler's data area. For GCC-style exceptions under Win64, theCharles Davis
handler's data area starts with a 4-byte reference to the personality function, followed by the DWARF LSDA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132302 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-29When generating against the Win64 EH scheme, set the handler to the GCC-specificCharles Davis
handler. At this moment, only GCC-style exceptions are supported. Other kinds of exceptions, including "traditional" SEH and Microsoft Visual C++ exceptions, need more work--and an compiler exception model that isn't specific to GCC-style exceptions! In particular, I imagine that it would be possible to mix "traditional" SEH with GCC-style EH or Microsoft C++ EH. Currently LLVM has no way (beyond some target-specific defaults and whole-module compiler switches) of knowing which scheme to use when. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132283 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-28When generating code for Win64 EH, emit StartProc and EndProc directives.Charles Davis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-28Select DW_AT_const_value size based on global variable size.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132239 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-28Fix the root cause of the bootstrap failure:Rafael Espindola
There was no way to check if a given register/mode pair was valid. We now return an error code (-2) instead of asserting. If anyone thinks that an assert at this point is really needed, we can autogen a hasValidDwarfRegNum instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132236 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Stub out support for Win64-style exceptions. Note that this is merely usingCharles Davis
the Win64 EH mechanism to implement GCC-style exceptions. LLVM supports hardly anything else at this point! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132234 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Fix a regression I recently introduced by removing DwarfRegNum ofRafael Espindola
subregisters: When a value is in a subregister, at least report the location as being the superregister. We should extend the .td files to encode the bit range so that we can produce a DW_OP_bit_piece. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132224 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Make size computation less brittle.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132222 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Keep this simple. Use DIType to get signness and size of a type. Based on ↵Devang Patel
size, select appropraite form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132206 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Handle signed types gracefully.Devang Patel
This fixes regressions reported by buildbots as a fallout of r132193. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Select DW_AT_const_value size based on variable size.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25Replace the -unwind-tables option with a per function flag. This is moreRafael Espindola
LTO friendly as we can now correctly merge files compiled with or without -fasynchronous-unwind-tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Fix debug info for blocks' variable.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131940 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-23Remove unnecessary comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20No reason not to allow defining the CFA as a reg w/ offset zero.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20Fix typo.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131757 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20Add support for frame info use of the .cfi_def_cfa directive.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131756 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-12Doug convinced me that DW_AT_APPLE_objc_complete_type is more appropriate name.Devang Patel
s/DW_AT_APPLE_objc_class_extension/DW_AT_APPLE_objc_complete_type/g git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131244 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-12Let Objective-C front-end identify class extension, in dwarf output, using ↵Devang Patel
an attribute DW_AT_APPLE_objc_class_extension. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-11Identify end of prologue (and beginning of function body) using ↵Devang Patel
DW_LNS_set_prologue_end line table opcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131194 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-10Initialize moveTypeModule.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131157 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-10Produce a __debug_frame section on darwin ARM when appropriate.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131151 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-10Rename DwarfRequiresRelocationForStmtList toRafael Espindola
DwarfRequiresRelocationForSectionOffset as this is not specific to StmtList. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131148 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-10Use .cfi_sections to put the unwind info in .debug_frame when possible. WithRafael Espindola
this clang will use .debug_frame in, for example, clang -g -c -m32 test.c This matches gcc's behaviour. It looks like .debug_frame is a bit bigger than .eh_frame, but has the big advantage of not being allocated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131140 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-09Do not ignore InlinedAt while walking up scope chain to find subprogram node. Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131106 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Move CompileUnit::getOrCreateNameSpace() and CompileUnit::addPubType() from ↵Devang Patel
DwarfDebug.cpp to DwarfCompileUnit.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Nothing else uses this label.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130989 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Yet more dead code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130988 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Update comments.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130987 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06More dead code elimination.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130985 91177308-0d34-0410-b5e6-96231b3b80d8
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