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* Rework getPersonalityIndex slightly - 0 is now a valid and not-NULLEric Christopher2009-08-261-3/+3
| | | | | | | personality function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80153 91177308-0d34-0410-b5e6-96231b3b80d8
* If we're emitting additional CIEs due to personality functionsEric Christopher2009-08-261-2/+7
| | | | | | | | don't emit the default one. Explicitly check for the NULL CIE later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80146 91177308-0d34-0410-b5e6-96231b3b80d8
* Nuke trailing whitespace.Eric Christopher2009-08-261-14/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80145 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some uses of llvm/Support/Streams.hChris Lattner2009-08-231-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79842 91177308-0d34-0410-b5e6-96231b3b80d8
* Use setPreservesAll and setPreservesCFG in CodeGen passes.Dan Gohman2009-07-311-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77754 91177308-0d34-0410-b5e6-96231b3b80d8
* implement a new magic global "llvm.compiler.used" which is like llvm.used, butChris Lattner2009-07-201-1/+2
| | | | | | | doesn't cause ".no_dead_strip" to be emitted on darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76399 91177308-0d34-0410-b5e6-96231b3b80d8
* use stripPointerCasts to simplify some code.Chris Lattner2009-07-201-6/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76397 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.Edwin Török2009-07-141-1/+1
| | | | | | | | | | This adds location info for all llvm_unreachable calls (which is a macro now) in !NDEBUG builds. In NDEBUG builds location info and the message is off (it only prints "UREACHABLE executed"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
* assert(0) -> LLVM_UNREACHABLE.Edwin Török2009-07-111-1/+2
| | | | | | | | | | Make llvm_unreachable take an optional string, thus moving the cerr<< out of line. LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for NDEBUG builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugLabelFolder ruthlessly deletes redundant labels. However, sometimes the ↵Devang Patel2009-04-101-1/+1
| | | | | | redundant labels is referenced by debug info somewhere else. This patch provies a way so that dwarf writer can mark labels as used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68813 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Devang Patel2009-02-031-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63653 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getAnalysisToUpdate to getAnalysisIfAvailable.Duncan Sands2009-01-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63198 91177308-0d34-0410-b5e6-96231b3b80d8
* Removoe MachineModuleInfo methods (and related DebugInfoDesc class ↵Devang Patel2009-01-131-1711/+0
| | | | | | 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 Patel2009-01-131-0/+1
| | | | | | between AsmPrinter and CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62191 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a couple of Dwarf bugs.Evan Cheng2008-12-101-3/+6
| | | | | | | | - Emit DW_AT_byte_size for struct and union of size zero. - Emit DW_AT_declaration for forward type declaration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60812 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an over aggressive assumption that struct decls will have a pointer toChris Lattner2008-11-101-1/+1
| | | | | | | | an array that is empty. Instead of requiring this array, allow a null pointer. This shrinks all forward references of structs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58959 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the include of MachineLocation.h into MachineModuleInfo.hDan Gohman2008-10-161-1/+0
| | | | | | | | | because it declares a std::vector<MachineMove>, and strict concept checking requires the definition of MachineMove to be available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57617 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of setPreservesAll, just mark them preseving machine loop info and ↵Evan Cheng2008-09-221-1/+3
| | | | | | machine dominators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56475 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark several codegen passes as preserving all analysis.Evan Cheng2008-09-221-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56469 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up several unbeseeming casts from pointer to intptr_t.Dan Gohman2008-09-041-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the DICountVisitor not a visitor. This keeps us from calling virtualBill Wendling2008-07-091-33/+154
| | | | | | | functions and junk. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53279 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the canonical way to get an empty structure.Bill Wendling2008-07-071-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53206 91177308-0d34-0410-b5e6-96231b3b80d8
* Use StringMap for greater justice!Bill Wendling2008-07-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53202 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't return std::vector by value, but pass it in by reference to be filled.Bill Wendling2008-07-031-12/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53123 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert my previous check-in that split up MachineModuleInfo. It turns out toBill Wendling2008-07-031-61/+818
| | | | | | | | slow the compiler down at -O0 some 30% or more. Ooops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53120 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the canonical form for getting an empty structure.Bill Wendling2008-07-021-10/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53003 91177308-0d34-0410-b5e6-96231b3b80d8
* Sorry. I couldn't sleep at night knowing I put these ugly casts into the ↵Bill Wendling2008-07-021-2/+1
| | | | | | source tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53001 91177308-0d34-0410-b5e6-96231b3b80d8
* - Update comments. Bill Wendling2008-07-011-2/+4
| | | | | | | - Don't use GlobalVariable::LinkageTypes when unsigned works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52987 91177308-0d34-0410-b5e6-96231b3b80d8
* - Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an ↵Evan Cheng2008-06-301-1/+4
| | | | | | | | | empty string for ConstantAggregateZero case which surprises selectiondag. - Correctly handle memcpy from constant string which is zero-initialized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52891 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert (52748 and friends):Anton Korobeynikov2008-06-291-4/+1
| | | | | | | | | | | | Move GetConstantStringInfo to lib/Analysis. Remove string output routine from Constant. Update all callers. Change debug intrinsic api slightly to accomodate move of routine, these now return values instead of strings. This unbreaks llvm-gcc bootstrap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52884 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce number of times .size() is called on a vector. Rename some variables toBill Wendling2008-06-271-16/+22
| | | | | | | | match normal naming scheme. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52820 91177308-0d34-0410-b5e6-96231b3b80d8
* Cruft left from patch revert...sorry. :-(Bill Wendling2008-06-271-3/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52808 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting broken patch r52803.Bill Wendling2008-06-271-33/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52806 91177308-0d34-0410-b5e6-96231b3b80d8
* - Remove a use of std::vector.Bill Wendling2008-06-271-12/+24
| | | | | | | | - Make sure that we're not recalculating the size of a vector that never changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52803 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor the DebugInfoDesc stuff out of the MachineModuleInfo file. Clean upBill Wendling2008-06-271-791/+32
| | | | | | | some uses of std::vector, where it's return std::vector by value. Yuck! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52800 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't create a whole new string just to copy the elements into it.Owen Anderson2008-06-261-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52785 91177308-0d34-0410-b5e6-96231b3b80d8
* Move GetConstantStringInfo to lib/Analysis. RemoveEric Christopher2008-06-261-1/+6
| | | | | | | | | | string output routine from Constant. Update all callers. Change debug intrinsic api slightly to accomodate move of routine, these now return values instead of strings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52748 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the use of static and anonymous namespaces. This turned upDan Gohman2008-05-131-3/+5
| | | | | | | | several things that were neither in an anonymous namespace nor static but not intended to be global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommitting EH patch; this should answer most of theDale Johannesen2008-04-021-6/+0
| | | | | | | | | | | | | | | | | review feedback. -enable-eh is still accepted but doesn't do anything. EH intrinsics use Dwarf EH if the target supports that, and are handled by LowerInvoke otherwise. The separation of the EH table and frame move data is, I think, logically figured out, but either one still causes full EH info to be generated (not sure how to split the metadata correctly). MachineModuleInfo::needsFrameInfo is no longer used and is removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49064 91177308-0d34-0410-b5e6-96231b3b80d8
* A quick nm audit turned up several fixed tables and objects that wereDan Gohman2008-03-251-3/+3
| | | | | | | | marked read-write. Use const so that they can be allocated in a read-only segment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48800 91177308-0d34-0410-b5e6-96231b3b80d8
* SDIsel processes llvm.dbg.declare by recording the variable debug ↵Evan Cheng2008-02-021-8/+10
| | | | | | | | | | information descriptor and its corresponding stack frame index in MachineModuleInfo. This only works if the local variable is "homed" in the stack frame. It does not work for byval parameter, etc. Added ISD::DECLARE node type to represent llvm.dbg.declare intrinsic. Now the intrinsic calls are lowered into a SDNode and lives on through out the codegen passes. For now, since all the debugging information recording is done at isel time, when a ISD::DECLARE node is selected, it has the side effect of also recording the variable. This is a short term solution that should be fixed in time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46659 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename RecordLabel to RecordSourceLine because that's what it is doing.Evan Cheng2008-02-011-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46628 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an extra operand to LABEL nodes which distinguishes between debug, EH, ↵Evan Cheng2008-01-311-1/+1
| | | | | | or misc labels. This fixes the EH breakage. However I am not convinced this is *the* solution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46609 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjust loop per review feedback.Dale Johannesen2008-01-301-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46569 91177308-0d34-0410-b5e6-96231b3b80d8
* Accept getelementptr starting at GV with all 0 indices as aDale Johannesen2008-01-301-0/+14
| | | | | | | | legitimate way of representing global variable GV in debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46565 91177308-0d34-0410-b5e6-96231b3b80d8
* Use empty() instead of comparing size() with zero.Dan Gohman2008-01-291-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46514 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not mark EH tables no-dead-strip unless theDale Johannesen2008-01-161-0/+15
| | | | | | | | associated function is so marked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46088 91177308-0d34-0410-b5e6-96231b3b80d8
* remove #includageChris Lattner2008-01-071-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45697 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
* The C++ exception handling personality function wantsDuncan Sands2007-12-191-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | to know about calls that cannot throw ('nounwind'): if such a call does throw for some reason then the personality will terminate the program. The distinction between an ordinary call and a nounwind call is that an ordinary call gets an entry in the exception table but a nounwind call does not. This patch sets up the exception table appropriately. One oddity is that I've chosen to bracket nounwind calls with labels (like invokes) - the other choice would have been to bracket ordinary calls with labels. While bracketing ordinary calls is more natural (because bracketing by labels would then correspond exactly to getting an entry in the exception table), I didn't do it because introducing labels impedes some optimizations and I'm guessing that ordinary calls occur more often than nounwind calls. This fixes the gcc filter2 eh test, at least at -O0 (the inliner needs some tweaking at higher optimization levels). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45197 91177308-0d34-0410-b5e6-96231b3b80d8
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