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* Add the private linkage.Rafael Espindola2009-01-155-6/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
* Use lightweight DebugInfo objects directly.Devang Patel2009-01-151-82/+65
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62276 91177308-0d34-0410-b5e6-96231b3b80d8
* Move a few containers out of ScheduleDAGInstrs::BuildSchedGraphDan Gohman2009-01-1512-108/+103
| | | | | | | | | | | | and into the ScheduleDAGInstrs class, so that they don't get destructed and re-constructed for each block. This fixes a compile-time hot spot in the post-pass scheduler. To help facilitate this, tidy and do some minor reorganization in the scheduler constructor functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62275 91177308-0d34-0410-b5e6-96231b3b80d8
* Use variable's context to identify respective DbgScope.Devang Patel2009-01-151-11/+25
| | | | | | | Use light weight DebugInfo object directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62269 91177308-0d34-0410-b5e6-96231b3b80d8
* Make getWidenVectorType const; this file was missed in theDan Gohman2009-01-151-1/+1
| | | | | | | previous commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62266 91177308-0d34-0410-b5e6-96231b3b80d8
* More consts on TargetLowering references.Dan Gohman2009-01-154-10/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62262 91177308-0d34-0410-b5e6-96231b3b80d8
* Use const with TargetLowering references in a few more places.Dan Gohman2009-01-152-5/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62260 91177308-0d34-0410-b5e6-96231b3b80d8
* minor refactoring: use a more specific APIGabor Greif2009-01-151-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62256 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not construct debug scope if RootScope *is* null.Devang Patel2009-01-141-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62209 91177308-0d34-0410-b5e6-96231b3b80d8
* Removoe MachineModuleInfo methods (and related DebugInfoDesc class ↵Devang Patel2009-01-133-2453/+10
| | | | | | hierarchy) that were used to handle debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62199 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep "has debug info" big in MachineModuleInfo to avoid circular dependency ↵Devang Patel2009-01-132-0/+2
| | | | | | between AsmPrinter and CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62191 91177308-0d34-0410-b5e6-96231b3b80d8
* Undo previous checkin.Devang Patel2009-01-132-9/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62190 91177308-0d34-0410-b5e6-96231b3b80d8
* Use DwarfWriter to record dbg variables.Devang Patel2009-01-132-4/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62185 91177308-0d34-0410-b5e6-96231b3b80d8
* Use dwarf writer to decide whether the module has debug info or not.Devang Patel2009-01-132-2/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62184 91177308-0d34-0410-b5e6-96231b3b80d8
* Use assertions to check for conditions that should never happen.Dan Gohman2009-01-131-12/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62178 91177308-0d34-0410-b5e6-96231b3b80d8
* The list-td and list-tdrr schedulers don't yet support physregDan Gohman2009-01-132-2/+10
| | | | | | | | | | | | scheduling dependencies. Add assertion checks to help catch this. It appears the Mips target defaults to list-td, and it has a regression test that uses a physreg dependence. Such code was liable to be miscompiled, and now evokes an assertion failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62177 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid referring to edge D after the Succs or Preds arrays haveDan Gohman2009-01-131-3/+3
| | | | | | | | been modified, to avoid trouble in the (unlikely) scenario that D is a reference to an element in one of those arrays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62173 91177308-0d34-0410-b5e6-96231b3b80d8
* When replacing uses and the same node is reachedDuncan Sands2009-01-131-16/+9
| | | | | | | | | via two paths, process it once not twice, d'oh! Analysis, testcase and original patch thanks to Mon Ping Wang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62169 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some typos. Also, the WidenedVectors mapDuncan Sands2009-01-132-9/+20
| | | | | | | was not being cleaned by ExpungeNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62167 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct a comment - this is not a sign extension.Duncan Sands2009-01-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62166 91177308-0d34-0410-b5e6-96231b3b80d8
* Un-tabify.Evan Cheng2009-01-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62151 91177308-0d34-0410-b5e6-96231b3b80d8
* FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a ↵Evan Cheng2009-01-131-0/+13
| | | | | | physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62144 91177308-0d34-0410-b5e6-96231b3b80d8
* Use DebugInfo interface to lower dbg_* intrinsics.Devang Patel2009-01-136-56/+69
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62127 91177308-0d34-0410-b5e6-96231b3b80d8
* Start using DebugInfo API to emit debug info.Devang Patel2009-01-131-11/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62125 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit debug info, only if at least one compile unit is seen.Devang Patel2009-01-121-2/+8
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* If multiple compile units are seen then emit them independently. In other ↵Devang Patel2009-01-121-65/+74
| | | | | | | | | words, do not force all DIEs into first, whatever it is, compile unit. Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62116 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid cast<>, use light weith wrapper directly.Devang Patel2009-01-121-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62115 91177308-0d34-0410-b5e6-96231b3b80d8
* Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear ↵Devang Patel2009-01-121-12/+9
| | | | | | soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62114 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getABITypeSize to getTypePaddedSize, asDuncan Sands2009-01-1210-32/+33
| | | | | | | suggested by Chris. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
* Add DwarfWriter interface to mainipulate source location info.Devang Patel2009-01-121-45/+91
| | | | | | | ( May be this info should be directly handled by the dwarf writer ? ) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62096 91177308-0d34-0410-b5e6-96231b3b80d8
* Clear debug info at the end of function processing.Devang Patel2009-01-121-1/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62092 91177308-0d34-0410-b5e6-96231b3b80d8
* There is no need to maintain separate labelid list in the dwarf writer. It ↵Devang Patel2009-01-121-36/+5
| | | | | | is not a good idea. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62090 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical ↵Evan Cheng2009-01-125-65/+87
| | | | | | | | | register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62074 91177308-0d34-0410-b5e6-96231b3b80d8
* More two-address fixes. This gets lua working with join-creation enabled.Owen Anderson2009-01-121-6/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62073 91177308-0d34-0410-b5e6-96231b3b80d8
* CheckForPhysRegDependency should not return copy cost. It's not used. No ↵Evan Cheng2009-01-111-9/+4
| | | | | | functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62036 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce initial small vector sizes.Devang Patel2009-01-101-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62023 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix thinko. Create parent scope if parent descriptor is *not* null.Devang Patel2009-01-101-2/+2
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* Duplicated node may produce a non-physical register def.Evan Cheng2009-01-091-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62015 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor debug output tweak.Evan Cheng2009-01-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62005 91177308-0d34-0410-b5e6-96231b3b80d8
* Request DwarfWriter. This will be used to handle dbg_* intrinsics.Devang Patel2009-01-092-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61999 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed trailing whitespace from Makefiles.Misha Brukman2009-01-093-6/+6
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* Convert DwarfWriter into a pass.Devang Patel2009-01-081-12/+13
| | | | | | | Now Users request DwarfWriter through getAnalysisUsage() instead of creating an instance of DwarfWriter object directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61955 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete unnecessary parens around return values.Dan Gohman2009-01-082-2/+2
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* Add DebugInfo based APIs to record source line info.Devang Patel2009-01-081-4/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61928 91177308-0d34-0410-b5e6-96231b3b80d8
* * Moved author attribution to CREDITS.TXTMisha Brukman2009-01-081-4/+1
| | | | | | | * Removed trailing whitespace git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61927 91177308-0d34-0410-b5e6-96231b3b80d8
* * Alphabetized #includesMisha Brukman2009-01-081-56/+56
| | | | | | | * Removed trailing whitespace git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61926 91177308-0d34-0410-b5e6-96231b3b80d8
* Add APIs to record regions and variables.Devang Patel2009-01-081-0/+27
| | | | | | | Again, shamelessly copied from MMI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61912 91177308-0d34-0410-b5e6-96231b3b80d8
* Add APIs to manage scope using DebugInfo interface.Devang Patel2009-01-081-0/+297
| | | | | | | This is a shameless copy of similar APIs from MachineModuleInfo. The copy from MMI will be deleted in near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61908 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant 'else's. No functionality change.Dan Gohman2009-01-071-7/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61891 91177308-0d34-0410-b5e6-96231b3b80d8
* The coalescer does not coalesce a virtual register to a physical register if ↵Evan Cheng2009-01-072-20/+84
| | | | | | | | | | | | | | | any of the physical register's sub-register live intervals overlaps with the virtual register. This is overly conservative. It prevents a extract_subreg from being coalesced away: v1024 = EDI // not killed = = EDI One possible solution is for the coalescer to examine the sub-register live intervals in the same manner as the physical register. Another possibility is to examine defs and uses (when needed) of sub-registers. Both solutions are too expensive. For now, look for "short virtual intervals" and scan instructions to look for conflict instead. This is a small win on x86-64. e.g. It shaves 403.gcc by ~80 instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61847 91177308-0d34-0410-b5e6-96231b3b80d8
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