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2011-05-06Dead code elimination.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130984 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Remove DwarfTableException.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130964 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Remove the DwarfTable enum.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Remove little used statistical counter.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130955 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Implement a really simple DwarfSjLjException.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130947 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05List all exception types in a switch.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130944 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05If debug info for inlined function is missing then handle it gracefully.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130933 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Remove a flag that would set the ".eh" symbol as .globl. MachO was the only oneBill Wendling
who used this flag, and it now emits CFI and doesn't emit this anymore. All other targets left this flag "false". <rdar://problem/8486371> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130918 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-04Producing a DW_FORM_addr for DW_AT_stmt_list is probably correct, butRafael Espindola
it is both inefficient and unexpected by dwarfdump. Change to a DW_FORM_data4. While in here, change the predicate name to reflect that the position is not really absolute (it is an offset), just that the linker needs a relocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130846 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-04Tighten up check for empty (i.e. no meaningful debug info) module. This ↵Devang Patel
fixes dwarf-die2.c test case from gcc test suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-03Even if the subprogram is going to use AT_specification, emit ↵Devang Patel
DW_AT_MIPS_linkage_name. This helps gdb and fixes var-path-expr.exp regression reported by gdb testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-03If the front end has emitted llvm.dbg.cu and other debug info anchors (clang ↵Devang Patel
does it now) then use them directly. This saves one scan of entire module, to collect debug info, which in turns saves few machine cycles at compile time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130759 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Emit debug info for global variables first.Devang Patel
This works around a limitation in gdb which is reported by following inherit.exp test failures from gdb testsuite. gdb.cp/inherit.exp: print g_vB.vB::vb gdb.cp/inherit.exp: print g_vB.vB::vx gdb.cp/inherit.exp: print g_vC.vC::vc gdb.cp/inherit.exp: print g_vC.vC::vx gdb.cp/inherit.exp: print g_vD.vB::vb ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130702 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Only produce the eh_frame section if we have at least one personality function.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130692 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-01GCC uses a different encoding of pointers in the FDE when usingRafael Espindola
-fno-dwarf2-cfi-asm. Implement the same behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130637 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-29Hoist MCLineEntry construction AsmPrinter so that anyone who derives from ↵Devang Patel
AsmPrinter can have line number entries. PR 9810 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130518 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-29The last hack for producing bit identical output with cfi on OS X.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130504 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-29Change DwarfCFIException's member variables to track what it actuallyRafael Espindola
emmits: .cfi_personality, .cfi_lsda and the moves. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-29Factor some code to needsCFIMoves. Avoid printing moves when we don't have to.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130501 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-28Teach dwarf writer to handle complex address expression for .debug_loc entries.Devang Patel
This fixes clang generated blocks' variables' debug info. Radar 9279956. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130373 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Remove unnecessary argument.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, andRafael Espindola
give it a bit more responsibility. Also implement it for MachO. If hacked to use cfi, 32 bit MachO will produce .cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr and 64 bit will produce .cfi_presonality ___gxx_personality_v0 The general idea is that .cfi_personality gets passed the final symbol. It is up to codegen to produce it if using indirect representation (like 32 bit MachO), but it is up to MC to decide which relocations to create. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Simplify handling of variables with complex address (i.e. blocks variables)Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Revert r130178. It turned out to be not the optimal path to emit complex ↵Devang Patel
location expressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130326 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Print the label if we will use it in debug_frame.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Refactor code. Keep dwarf register operation selection logic at one place.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130231 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26don't emit the symbol name twice for local bss and commonChris Lattner
symbols. For example, don't emit: .comm _i,4,2 ## @i ## @i instead emit: .comm _i,4,2 ## @i git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130192 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Print all the moves at a given label instead of just the first one.Rafael Espindola
Remove previous DwarfCFI hack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Let dwarf writer allocate extra space in the debug location expression. This ↵Devang Patel
space, if requested, will be used for complex addresses of the Blocks' variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130178 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25Rename a local variable.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25Rename a method to match what it really does.Devang Patel
s/addVariableAddress/addFrameVariableAddress/g git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130170 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25Do not drop a variable's complex address if it is not based on frame base.Devang Patel
Observed this while reading code, so I do not have a test case handy here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130167 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-24Simplify the logic. Noticed by aKor.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130116 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-24Synchronize the conditions for producing a .cfi_startproc and a .cfi_endproc.Rafael Espindola
Fixes PR9787. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130115 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-22Let front-end tie subprogram declaration with subprogram definition directly.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-22Do not leak argument's DbgVariables.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Refactor.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129938 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Add comment in output stream.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Remove unused arguments.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-18Reduce clutter in asm output. Do not emit source location as comment for ↵Devang Patel
each instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129715 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Remove unused variable.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129639 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Put each personality function in a section. This fixes the gnu ld warning:Rafael Espindola
error in foo.o; no .eh_frame_hdr table will be created. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129635 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Introduce support to encode Objective-C property information in debugging ↵Devang Patel
information generated for an interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Some refactoring suggested by Anton Korobeynikov.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129600 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Add 129518 back with a fix for when we are producing eh just because of ↵Rafael Espindola
debug info. Change ELF systems to use CFI for producing the EH tables. This reduces the size of the clang binary in Debug builds from 690MB to 679MB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129571 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Fix a ton of comment typos found by codespell. Patch byChris Lattner
Luis Felipe Strano Moraes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Revert r129518, "Change ELF systems to use CFI for producing the EH tables. ↵NAKAMURA Takumi
This reduces the" It broke several builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Change ELF systems to use CFI for producing the EH tables. This reduces theRafael Espindola
size of the clang binary in Debug builds from 690MB to 679MB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129518 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Remove extra bytes that were added for gdb. We do not have good poiner to ↵Devang Patel
understand actual reason behind this fixme. Spot checking suggest that newer gdb does not need this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129461 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12I missed this new file in previous commit.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129407 91177308-0d34-0410-b5e6-96231b3b80d8
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