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* llvm/test/DebugInfo/X86/dbg-value-range.ll: Add ↵NAKAMURA Takumi2013-07-23
| | | | | | -disable-debug-info-verifier, too, since r186902. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186930 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info Finder: use processDeclare and processValue to list debug infoManman Ren2013-07-23
| | | | | | | | | | | | MDNodes used by DbgDeclareInst and DbgValueInst. Another 16 testing cases failed and they are disabled with -disable-debug-info-verifier. A total of 34 cases are disabled with -disable-debug-info-verifier and will be corrected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186902 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommit r186217 with testcase fix:Bill Wendling2013-07-22
| | | | | | | | | | | Use the function attributes to pass along the stack protector buffer size. Now that we have robust function attributes, don't use a command line option to specify the stack protecto buffer size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186863 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to appease the bots.Manman Ren2013-07-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186653 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: enable verifying by default and disable testing cases that fail.Manman Ren2013-07-19
| | | | | | | | | | | | | | | | | | | | 1> Use DebugInfoFinder to find debug info MDNodes. 2> Add disable-debug-info-verifier to disable verifying debug info. 3> Disable verifying for testing cases that fail (will update the testing cases later on). 4> MDNodes generated by clang can have empty filename for TAG_inheritance and TAG_friend, so DIType::Verify is modified accordingly. Note that DebugInfoFinder does not list all debug info MDNode. For example, clang can generate: metadata !{i32 786468}, which will fail to verify. This MDNode is used by debug info but not included in DebugInfoFinder. This MDNode is generated as a temporary node in DIBuilder::createFunction Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) }; MDNode::getTemporary(VMContext, TElts) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186634 91177308-0d34-0410-b5e6-96231b3b80d8
* Further simplify test case from r186119/r186035.David Blaikie2013-07-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186356 91177308-0d34-0410-b5e6-96231b3b80d8
* In response to dblaikie's comment on r186035, replacing theAdrian Prantl2013-07-11
| | | | | | | | (reduced LLVM IR) + (full source in comment) with the (full LLVM IR) + (reduced src in comment) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186119 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment.Adrian Prantl2013-07-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186035 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase for r186014.Adrian Prantl2013-07-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186031 91177308-0d34-0410-b5e6-96231b3b80d8
* Un-break the buildbot by tweaking the indirection flag.Adrian Prantl2013-07-10
| | | | | | Pulled in a testcase from the debuginfo-test suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185993 91177308-0d34-0410-b5e6-96231b3b80d8
* move test into the appropriate subdir.Adrian Prantl2013-07-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185972 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply an improved version of r180816/180817.Adrian Prantl2013-07-09
| | | | | | | | | | | | | | | Change the informal convention of DBG_VALUE machine instructions so that we can express a register-indirect address with an offset of 0. The old convention was that a DBG_VALUE is a register-indirect value if the offset (operand 1) is nonzero. The new convention is that a DBG_VALUE is register-indirect if the first operand is a register and the second operand is an immediate. For plain register values the combination reg, reg is used. MachineInstrBuilder::BuildMI knows how to build the new DBG_VALUES. rdar://problem/13658587 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185966 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Consider global variables without locations to be validDavid Blaikie2013-07-04
| | | | | | | | | | | | | | | | | We were being a bit too aggresive here in classifying global variables with no global reference or constant value to be invalid - this would cause LLVM to not emit the DWARF description of the global variable if it had been optimized away, which isn't helpful for users who might benefit from the global variable's description even if there's no location information. This also fixes a crasher issue here that I was unable to reduce a test case for - involving a using decl (& subsequent DW_TAG_imported_declaration ) of such a global variable that, once optimized away, would crash when an attempt to emit the imported declaration was made. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185675 91177308-0d34-0410-b5e6-96231b3b80d8
* Trying to fix the botsManman Ren2013-07-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185489 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: use module flag to set up Dwarf version.Manman Ren2013-07-02
| | | | | | | | | | Correctly handles ref_addr depending on the Dwarf version. Emit Dwarf with version from module flag. TODO: turn on/off features depending on the Dwarf version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185484 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 'REQUIRES: object-emission' to DebugInfo/inlined-arguments.ll.Jyotsna Verma2013-07-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185465 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Support TLS variables in debug infoUlrich Weigand2013-07-02
| | | | | | | | | | | This adds an implementation of getDebugThreadLocalSymbol for (64-bit) PowerPC. This needs to return a generic MCExpr since on ppc64, we need to add a bias of 0x8000 to the value returned by the R_PPC64_DTPREL64 relocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185461 91177308-0d34-0410-b5e6-96231b3b80d8
* PR14728: DebugInfo: TLS variables with -gsplit-dwarfDavid Blaikie2013-07-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185398 91177308-0d34-0410-b5e6-96231b3b80d8
* PR16493: DebugInfo with TLS on PPC crashing due to invalid relocationDavid Blaikie2013-07-01
| | | | | | | | Restrict the current TLS support to X86 ELF for now. Test that we don't produce it on PPC & we can flesh that test case out with the right thing once someone implements it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185389 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-symbolizer: Recognize a drive letter on win32. Then "REQUIRES: shell" ↵NAKAMURA Takumi2013-07-01
| | | | | | | | can be removed. FIXME: Could we use llvm::sys::Path here? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185322 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: PR14728: TLS supportDavid Blaikie2013-06-28
| | | | | | | | | | | | | | Based on GCC's output for TLS variables (OP_constNu, x@dtpoff, OP_lo_user), this implements debug info support for TLS in ELF. Verified that this output is correct/sufficient on Linux (using gold - if you're using binutils-ld, you'll need something with the fix for http://sourceware.org/bugzilla/show_bug.cgi?id=15685 in it). Support on non-ELF is sort of "arbitrary" at the moment - if Apple folks want to discuss (or just go ahead & implement) how this should work in MachO, etc, I'm open. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185203 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-symbolizer: skip leading underscore in Mach-O symbol table entriesAlexey Samsonov2013-06-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185151 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-symbolizer: add support for Mach-O universal binariesAlexey Samsonov2013-06-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185137 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: clean up usage of Verify.Manman Ren2013-06-28
| | | | | | | | | | | | No functionality change. It should suffice to check the type of a debug info metadata, instead of calling Verify. For cases where we know the type of a DI metadata, use assert. Also update testing cases to make them conform to the format of DI classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185135 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Allow LA and LARL to be rematerializedRichard Sandiford2013-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185069 91177308-0d34-0410-b5e6-96231b3b80d8
* Move llvm/test/DebugInfo/arguments.ll to X86, for now. It is still Windows' ↵NAKAMURA Takumi2013-06-24
| | | | | | PECOFF incompatible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184750 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/DebugInfo/arguments.ll: Add explicit -mtriple=x86_64-unknown-unknown.NAKAMURA Takumi2013-06-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184729 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: add some testing from an overly broad end-to-end test in ClangDavid Blaikie2013-06-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184692 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: PR14404: Avoid truncating 64 bit values into 32 bits for ↵David Blaikie2013-06-23
| | | | | | ULEB128/SLEB128 generation git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184669 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Support (using GNU extensions) for template template parameters ↵David Blaikie2013-06-22
| | | | | | and parameter packs git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184643 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Don't lose unreferenced non-trivial by-value parametersDavid Blaikie2013-06-21
| | | | | | | | | | | | A FastISel optimization was causing us to emit no information for such parameters & when they go missing we end up emitting a different function type. By avoiding that shortcut we not only get types correct (very important) but also location information (handy) - even if it's only live at the start of a function & may be clobbered later. Reviewed/discussion by Evan Cheng & Dan Gohman. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184604 91177308-0d34-0410-b5e6-96231b3b80d8
* Give this X86-specific test a triple so it's actually X86-specific.David Blaikie2013-06-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184443 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: don't use location lists when the location covers the whole ↵David Blaikie2013-06-20
| | | | | | | | | | | | | function anyway Fix up three tests - one that was relying on abbreviation number, another relying on a location list in this case (& testing raw asm, changed that to use dwarfdump on the debug_info now that that's where the location is), and another which was added in r184368 - exposing a bug in that fix that is exposed when we emit the location inline rather than through a location list. Fix that bug while I'm here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184387 91177308-0d34-0410-b5e6-96231b3b80d8
* Spelling correctionDavid Blaikie2013-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184370 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: PR14763/r183329 correct the location of indirect parametersDavid Blaikie2013-06-19
| | | | | | | | | | | | | | | | We had been papering over a problem with location info for non-trivial types passed by value by emitting their type as references (this caused the debugger to interpret the location information correctly, but broke the type of the function). r183329 corrected the type information but lead to the debugger interpreting the pointer parameter as the value - the debug info describing the location needed an extra dereference. Use a new flag in DIVariable to add the extra indirection (either by promoting an existing DW_OP_reg (parameter passed in a register) to DW_OP_breg + 0 or by adding DW_OP_deref to an existing DW_OP_breg + n (parameter passed on the stack). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184368 91177308-0d34-0410-b5e6-96231b3b80d8
* Spell correct (s/begining/beginning/)David Blaikie2013-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184362 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-dwarfdump: Add support for dumping the .debug_loc sectionDavid Blaikie2013-06-19
| | | | | | | | | This is a basic implementation - we still don't have any support (that I know of) for dumping DWARF expressions in a meaningful way, so the location information itself is just printed as a sequence of bytes as we do elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184361 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix frame pointer debug information testJF Bastien2013-06-14
| | | | | | Run the test at O1 instead of O0: ARM FastISel keeps frame pointers around and ignores the flag. The test should now pass on ARM and still passes on x86.See: http://llvm.org/bugs/show_bug.cgi?id=16322 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183999 91177308-0d34-0410-b5e6-96231b3b80d8
* PR15662: Optimized debug info produces out of order function parametersDavid Blaikie2013-06-05
| | | | | | | | | | | | | | | When a function is inlined we lazily construct the variables representing the function's parameters. After that, we add any remaining unused parameters. If the function doesn't use all the parameters, or uses them out of order, then the DWARF would produce them in that order, producing a parameter order that doesn't match the source. This fix causes us to always keep the arg variables at the start of the variable list & in the original order from the source. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183297 91177308-0d34-0410-b5e6-96231b3b80d8
* [llvm-symbolizer] Avoid calling slow getSymbolSize for Mach-O files. Assume ↵Alexey Samsonov2013-06-04
| | | | | | that symbols with zero size are in fact large enough. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183213 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct handling invalid filename in llvm-symbolizerAlexey Samsonov2013-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183102 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r182937 and r182877.Rafael Espindola2013-05-30
| | | | | | | | | r182877 broke MCJIT tests on ARM and r182937 was working around another failure by r182877. This should make the ARM bots green. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182960 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use fast isel on this test.Rafael Espindola2013-05-30
| | | | | | | | This fixes the test on ARM. Looks like it was broken by r182877. Not sure if this is a bug on fast isel on ARM, but this should help fix the ARM bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182937 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach ReMaterialization to be more cunning about subregistersTim Northover2013-05-29
| | | | | | | | | | | | | | | | This allows rematerialization during register coalescing to handle more cases involving operations like SUBREG_TO_REG which might need to be rematerialized using sub-register indices. For example, code like: v1(GPR64):sub_32 = MOVZ something v2(GPR64) = COPY v1(GPR64) should be convertable to: v2(GPR64):sub_32 = MOVZ something but previously we just gave up in places like this git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182872 91177308-0d34-0410-b5e6-96231b3b80d8
* LTO+Debug Info: revert r182791.Manman Ren2013-05-29
| | | | | | | | | | | | | Since the testing case uses ref_addr, which requires version 3+ to work, we will solve the dwarf version issue first. This patch also causes failures in one of the bots. I will update the patch accordingly in my next attempt. rdar://13926659 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182867 91177308-0d34-0410-b5e6-96231b3b80d8
* Move test that depends on the X86 backend into the right subdirectory.Benjamin Kramer2013-05-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182834 91177308-0d34-0410-b5e6-96231b3b80d8
* LTO+Debug Info: correctly emit inlined_subroutine when the inlined callee isManman Ren2013-05-28
| | | | | | | | | | | | | from a different CU. We used to print out an error message and fail to generate inlined_subroutine. If we use ref_addr in the generated DWARF, the DWARF version should be 3 or above. rdar://13926659 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182791 91177308-0d34-0410-b5e6-96231b3b80d8
* Solidify the assumption that a DW_TAG_subprogram's type is a ↵David Blaikie2013-05-22
| | | | | | | | | | | | | DW_TAG_subroutine_type There were bits & pieces of code lying around that may've given the impression that debug info metadata supported the possibility that a subprogram's type could be specified by a non-subroutine type describing the return type of a void function. This support was incomplete & unnecessary. Asserts & API have been changed to make the desired usage more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182532 91177308-0d34-0410-b5e6-96231b3b80d8
* Dwarf: use a single line table to generate assembly when .loc is used.Manman Ren2013-05-21
| | | | | | | | | | This is to fix PR15408 where an undefined symbol Lline_table_start1 is used. Since we do not generate the debug_line section when .loc is used, Lline_table_start1 is not emitted and we can't refer to it when calculating at_stmt_list for a compile unit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182344 91177308-0d34-0410-b5e6-96231b3b80d8
* PR14606: Debug Info for namespace aliases/DW_TAG_imported_moduleDavid Blaikie2013-05-20
| | | | | | | | | This resolves the last of the PR14606 failures in the GDB 7.5 test suite by implementing an optional name field for DW_TAG_imported_modules/DIImportedEntities and using that to implement C++ namespace aliases (eg: "namespace X = Y;"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182328 91177308-0d34-0410-b5e6-96231b3b80d8
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