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* Prevented reg0 from being added to MBB live-in set, which was causing issuesLang Hames2009-05-171-0/+5
| | | | | | | for PostRAScheduler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71991 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MachineVerifier pass to avoid command line collision.Jakob Stoklund Olesen2009-05-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71987 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark rotl/rotr as expand. This generates pretty ugly code, but this is ↵Anton Korobeynikov2009-05-171-0/+4
| | | | | | better than nothing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71976 91177308-0d34-0410-b5e6-96231b3b80d8
* TypoAnton Korobeynikov2009-05-172-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71975 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a missing def-flag on a Mips epilogue load.Jakob Stoklund Olesen2009-05-161-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71935 91177308-0d34-0410-b5e6-96231b3b80d8
* Remember to set def-flag on register loaded from stack slot in CellSPU.Jakob Stoklund Olesen2009-05-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71934 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify that explicit definitions in the TargetInstrDesc are matched byJakob Stoklund Olesen2009-05-161-1/+12
| | | | | | explicit register define operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71933 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow redefinition of reserved registers.Jakob Stoklund Olesen2009-05-161-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71932 91177308-0d34-0410-b5e6-96231b3b80d8
* Put back a bit of expensive checking logic thatDuncan Sands2009-05-161-1/+1
| | | | | | | was overenthusiastically deleted in r70234. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71926 91177308-0d34-0410-b5e6-96231b3b80d8
* Pacify gcc-4.3, which suggests explicit braces hereDuncan Sands2009-05-161-1/+2
| | | | | | | to avoid an ambiguous else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71924 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass to verify generated machine code.Jakob Stoklund Olesen2009-05-163-27/+704
| | | | | | | | | | | | | | | | | | | The following is checked: * Operand counts: All explicit operands must be present. * Register classes: All physical and virtual register operands must be compatible with the register class required by the instruction descriptor. * Register live intervals: Registers must be defined only once, and must be defined before use. The machine code verifier is enabled with the command-line option '-verify-machineinstrs', or by defining the environment variable LLVM_VERIFY_MACHINEINSTRS to the name of a file that will receive all the verifier errors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71918 91177308-0d34-0410-b5e6-96231b3b80d8
* Split out the DwarfDebug module from the DwarfWriter module.Bill Wendling2009-05-157-2804/+3188
| | | | | | | Again, no intendtional functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71854 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark class as hidden.Bill Wendling2009-05-151-1/+1
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* Fix PR4210. Rewritter should track and update kills of sub-registers as well.Evan Cheng2009-05-151-42/+63
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71848 91177308-0d34-0410-b5e6-96231b3b80d8
* Move c'tor/d'tor to top of file.Bill Wendling2009-05-151-17/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71828 91177308-0d34-0410-b5e6-96231b3b80d8
* Split out the DwarfException class into its own file. No functionality change,Bill Wendling2009-05-153-769/+894
| | | | | | | though the classes have been marked with "VISIBILITY_HIDDEN". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71827 91177308-0d34-0410-b5e6-96231b3b80d8
* Split out the Dwarf writer stuff into separate files. This is a much moreBill Wendling2009-05-157-1278/+1584
| | | | | | | | | | | logical/sane approach to organizing all of the stuff that goes into writing out DWARF information. Honestly? even this is too complex for what it's supposed to be doing. Trivia: It *looks* like there would be functionality changes, however there aren't! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71821 91177308-0d34-0410-b5e6-96231b3b80d8
* Reflow to fit 80-col.Mike Stump2009-05-141-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71813 91177308-0d34-0410-b5e6-96231b3b80d8
* Reflow to fit 80-col.Mike Stump2009-05-141-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71812 91177308-0d34-0410-b5e6-96231b3b80d8
* Down with static variables!Owen Anderson2009-05-141-4/+8
| | | | | | | Part one of many. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71785 91177308-0d34-0410-b5e6-96231b3b80d8
* Tag blocks with DW_AT_APPLE_block.Mike Stump2009-05-141-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71784 91177308-0d34-0410-b5e6-96231b3b80d8
* Reuse existing getUnderlyingObject instead ofDale Johannesen2009-05-141-24/+6
| | | | | | | | adding another copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71783 91177308-0d34-0410-b5e6-96231b3b80d8
* Non-functionality changes:Bill Wendling2009-05-141-110/+85
| | | | | | | | | - Reformatting. - Use while() instead of do-while(). - Move simple constructors into .h file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71782 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up this file fixing 80-column violations, bad formatting, etc. No ↵Bill Wendling2009-05-141-60/+69
| | | | | | functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71781 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r71744. I must not have understood this correctly, because theBob Wilson2009-05-141-4/+9
| | | | | | | assertion is failing for some tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71779 91177308-0d34-0410-b5e6-96231b3b80d8
* Use abs64 in one more place.Dale Johannesen2009-05-141-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71775 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR4124. Make TwoAddressFormPass::FindLastUseInMBB return the real ↵Lang Hames2009-05-141-2/+5
| | | | | | last use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71769 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the names of the exception handling sjlj instrinsics toJim Grosbach2009-05-144-14/+16
| | | | | | | | | | | llvm.eh.sjlj.* for better clarity as to their purpose and scope. Add a description of llvm.eh.sjlj.setjmp to ExceptionHandling.html. (llvm.eh.sjlj.longjmp documentation coming when that implementation is added). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71758 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an assert to turn a segfault on an unsupported inlineDan Gohman2009-05-141-0/+2
| | | | | | | asm construct into an assertion failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71757 91177308-0d34-0410-b5e6-96231b3b80d8
* Add dumping support for DW_AT_APPLE_isa and DW_AT_APPLE_block.Mike Stump2009-05-141-0/+2
| | | | | | | Radar 6867696 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71750 91177308-0d34-0410-b5e6-96231b3b80d8
* There's yet more ugliness (surprise!) in DebugInfo. This needs major reworking.Bill Wendling2009-05-131-21/+30
| | | | | | | | Basically, there was a situation where it was getting an empty vector and doing a .back() on that. Which isn't cool. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71746 91177308-0d34-0410-b5e6-96231b3b80d8
* The IfConverter::MergeBlocks method appears to be used only to merge a basicBob Wilson2009-05-131-9/+4
| | | | | | | | | block with its unique predecessor. Change the code to assert if that is not the case, instead of trying to handle situations where the block has multiple predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71744 91177308-0d34-0410-b5e6-96231b3b80d8
* Removing the HasBuiltinSetjmp flag and associated bits. Flagging the presenceJim Grosbach2009-05-133-8/+1
| | | | | | | | | | | of exception handling builtin sjlj targets in functions turns out not to be necessary. Marking the intrinsic implementation in the .td file as defining all registers is sufficient to get the context saved properly by the containing function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71743 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert a portion of Dan's change r71018 that I'm convinced is wrong.Bob Wilson2009-05-131-1/+1
| | | | | | | | | | | | | | | | | | | | Dan was trying to catch the case where a basic block ends with a conditional branch to the fall-through block. In this case, all the instructions have been moved out of FromBBI, leaving it empty. It cannot end with a conditional branch. As the existing comment indicates, it will always fall through to the next block. If the block already had the next block (NBB) listed as a successor, the preceding loop has a check for that and does not remove it. Thus, we need to check and add the successor only when it is not already listed. With Dan's change, the empty block often ends up with the fall-through successor listed twice. This exposed the problem in pr4195, where CodePlacementOpt did not handle the same predecessor listed more than once. It is also at least partially responsible for pr4202 and probably a similar issue with Thumb branches being out of range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71742 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge adjacent conditional.Bob Wilson2009-05-131-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71741 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an unused variable.Bob Wilson2009-05-131-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71740 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some typos and spelling and grammar, mostly in comments, but also oneBob Wilson2009-05-131-21/+20
| | | | | | | field name. No functional changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71739 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespacing (space after switch).Mike Stump2009-05-133-33/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71738 91177308-0d34-0410-b5e6-96231b3b80d8
* Spelling correction s/builting/builtin/ and remove trailing whitespace in a ↵Jim Grosbach2009-05-131-10/+10
| | | | | | few places git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71735 91177308-0d34-0410-b5e6-96231b3b80d8
* Run code placement optimization for targets that want it (arm and x86 for now).Evan Cheng2009-05-134-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71726 91177308-0d34-0410-b5e6-96231b3b80d8
* Change MachineInstrBuilder::addReg() to take a flag instead of a list ofBill Wendling2009-05-1319-153/+196
| | | | | | | | | | | | | booleans. This gives a better indication of what the "addReg()" is doing. Remembering what all of those booleans mean isn't easy, especially if you aren't spending all of your time in that code. I took Jakob's suggestion and made it illegal to pass in "true" for the flag. This should hopefully prevent any unintended misuse of this (by reverting to the old way of using addReg()). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71722 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle some additonal cases of external weak globals.Dale Johannesen2009-05-131-4/+22
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* Move the bookkeeping of the debug scopes back to the place where itBill Wendling2009-05-131-20/+20
| | | | | | | | | belonged. The variable declaration stuff wasn't happy with it where it was. Sorry that the testcase is so big. Bugpoint wasn't able to reduce it successfully. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71714 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't generate a select whose operand is load of a weakDale Johannesen2009-05-131-0/+6
| | | | | | | | | external. These may have address 0 and are not safe to execute unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71688 91177308-0d34-0410-b5e6-96231b3b80d8
* PEI: rename PEI.h to PrologEpilogInserter.h to adhere to file naming standardJohn Mosby2009-05-133-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71678 91177308-0d34-0410-b5e6-96231b3b80d8
* calls in nothrow functions can be marked nothrow even if the calleeChris Lattner2009-05-131-0/+10
| | | | | | | | is not known to be nothrow. This allows readnone/readonly functions to be deleted even if we don't know whether the callee can throw. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71676 91177308-0d34-0410-b5e6-96231b3b80d8
* Run through the list of globals once and sectionize all types of globlas ↵Sanjiv Gupta2009-05-134-38/+72
| | | | | | includeing declarations. Later emit them from their section lists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71661 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid getting a compiler warningDuncan Sands2009-05-131-1/+1
| | | | | | | | | IVUsers.cpp: In member function ‘bool llvm::IVUsers::AddUsersIfInteresting(llvm::Instruction*)’: IVUsers.cpp:221: warning: ‘isSigned’ may be used uninitialized in this function with gcc-4.3. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71654 91177308-0d34-0410-b5e6-96231b3b80d8
* add IVUsers.cppChris Lattner2009-05-131-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71646 91177308-0d34-0410-b5e6-96231b3b80d8
* add ShrinkWrapping.cppChris Lattner2009-05-131-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71645 91177308-0d34-0410-b5e6-96231b3b80d8
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