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* TableGen no longer emit CopyFromReg nodes for implicit results in physicalEvan Cheng2007-09-073-90/+17
| | | | | | | registers. The scheduler is now responsible for emitting them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41781 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing index versions of instructions to the map.Bill Wendling2007-09-072-1/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41776 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid storing and reloading zeros and other constants from stack slotsDan Gohman2007-09-074-2/+22
| | | | | | | by flagging the associated instructions as being trivially rematerializable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41775 91177308-0d34-0410-b5e6-96231b3b80d8
* Apply feedback from previous patch.Dale Johannesen2007-09-0710-7504/+5540
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41774 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert previous change to IR.Dale Johannesen2007-09-072-5/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41769 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for having different alignment for objects on call frames.Rafael Espindola2007-09-075-9/+57
| | | | | | | | The x86-64 ABI states that objects passed on the stack have 8 byte alignment. Implement that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41768 91177308-0d34-0410-b5e6-96231b3b80d8
* Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is ↵Anton Korobeynikov2007-09-078-110/+125
| | | | | | | | | needed, because they just "mark" register liveins and we let frontend solve type issue, not lowering code :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41763 91177308-0d34-0410-b5e6-96231b3b80d8
* Test for PR1641.Bill Wendling2007-09-071-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41762 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't zap back to back volatile load/storesChris Lattner2007-09-072-1/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41759 91177308-0d34-0410-b5e6-96231b3b80d8
* Add lengthof and endof templates that hide a lot of sizeof computations.Owen Anderson2007-09-0716-47/+68
| | | | | | | Patch by Sterling Stein! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41758 91177308-0d34-0410-b5e6-96231b3b80d8
* Constify to catch bugs.David Greene2007-09-062-4/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41751 91177308-0d34-0410-b5e6-96231b3b80d8
* Next round of APFloat changes.Dale Johannesen2007-09-0632-437/+540
| | | | | | | | | | | | | | | Use APFloat in UpgradeParser and AsmParser. Change all references to ConstantFP to use the APFloat interface rather than double. Remove the ConstantFP double interfaces. Use APFloat functions for constant folding arithmetic and comparisons. (There are still way too many places APFloat is just a wrapper around host float/double, but we're getting there.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41747 91177308-0d34-0410-b5e6-96231b3b80d8
* Proper handle case, when aliasee is external weak symbol referenced only by ↵Anton Korobeynikov2007-09-062-6/+17
| | | | | | | | | alias itself. Also, fix a case, when target doesn't have weak symbols supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41746 91177308-0d34-0410-b5e6-96231b3b80d8
* Add instruction dump output. This helps find bugs.David Greene2007-09-061-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41744 91177308-0d34-0410-b5e6-96231b3b80d8
* Pluggable coalescers inplementation.David Greene2007-09-067-2/+238
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41743 91177308-0d34-0410-b5e6-96231b3b80d8
* Use isTrueWhenEqual. Thanks Chris!Nick Lewycky2007-09-061-8/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41741 91177308-0d34-0410-b5e6-96231b3b80d8
* When the two operands of an icmp are equal, there are five possible predicatesNick Lewycky2007-09-062-1/+13
| | | | | | | that would make the icmp true. Fixes PR1637. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41740 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a memory leak.Evan Cheng2007-09-062-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41739 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in X86InstrInfo::convertToThreeAddress that caused it to codegen:Evan Cheng2007-09-062-25/+64
| | | | | | | | | leal (,%rcx,8), %rcx It should be leal (,%rcx,8), %ecx git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41735 91177308-0d34-0410-b5e6-96231b3b80d8
* LVXL and STVXL are also a load and store resp.Bill Wendling2007-09-051-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41733 91177308-0d34-0410-b5e6-96231b3b80d8
* Accidentially left this out.Evan Cheng2007-09-051-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41730 91177308-0d34-0410-b5e6-96231b3b80d8
* Use pool allocator for all the VNInfo's to improve memory access locality. ↵Evan Cheng2007-09-055-102/+92
| | | | | | This reduces coalescing time on siod Mac OS X PPC by 35%. Also remove the back ptr from VNInfo to LiveInterval and other tweaks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41729 91177308-0d34-0410-b5e6-96231b3b80d8
* Added Reset() to free all allocated memory regions and reset state to be the ↵Evan Cheng2007-09-052-0/+8
| | | | | | same as right after ctor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41728 91177308-0d34-0410-b5e6-96231b3b80d8
* Missing break. Patch by Wojciech Matyjewicz.Evan Cheng2007-09-051-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41727 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix mod so it actually works. Fix conversions toDale Johannesen2007-09-051-9/+33
| | | | | | | native types to handle denormals correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41726 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot to obey 80 column rule. Fixing that.Chuck Rose III2007-09-051-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41725 91177308-0d34-0410-b5e6-96231b3b80d8
* Change all floating constants that are not exactlyDale Johannesen2007-09-0521-32/+32
| | | | | | | representable to use hex format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41722 91177308-0d34-0410-b5e6-96231b3b80d8
* Added default parameters to GetElementPtrInstr constructor call. Visual ↵Chuck Rose III2007-09-051-1/+1
| | | | | | Studio 2k5 was getting confused and was unable to compile it. Suspected compiler error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41721 91177308-0d34-0410-b5e6-96231b3b80d8
* Due to label merging, the last label for an invokeDuncan Sands2007-09-051-3/+2
| | | | | | | | | may be the same as the first label for the following invoke. Remove a micro-optimization which was wrong in this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41720 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcases for PR1628.Duncan Sands2007-09-053-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41719 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1628. When exception handling is turned on,Duncan Sands2007-09-053-87/+165
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | labels are generated bracketing each call (not just invokes). This is used to generate entries in the exception table required by the C++ personality. However it gets in the way of tail-merging. This patch solves the problem by no longer placing labels around ordinary calls. Instead we generate entries in the exception table that cover every instruction in the function that wasn't covered by an invoke range (the range given by the labels around the invoke). As an optimization, such entries are only generated for parts of the function that contain a call, since for the moment those are the only instructions that can throw an exception [1]. As a happy consequence, we now get a smaller exception table, since the same region can cover many calls. While there, I also implemented folding of invoke ranges - successive ranges are merged when safe to do so. Finally, if a selector contains only a cleanup, there's a special shorthand for it - place a 0 in the call-site entry. I implemented this while there. As a result, the exception table output (excluding filters) is now optimal - it cannot be made smaller [2]. The problem with throw filters is that folding them optimally is hard, and the benefit of folding them is minimal. [1] I tested that having trapping instructions (eg divide by zero) in such a region doesn't cause trouble. [2] It could be made smaller with the help of higher layers, eg by having branch folding reorder basic blocks ending in invokes with the same landing pad so they follow each other. I don't know if this is worth doing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41718 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the 64-bit versions of the DS* Altivec instructions.Bill Wendling2007-09-052-14/+60
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41717 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable loop index split pass.Devang Patel2007-09-041-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41714 91177308-0d34-0410-b5e6-96231b3b80d8
* Insert cloned loop basic blocks before original loop header.Devang Patel2007-09-041-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41713 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR1632. EHSELECTION always produces a i32 value.Evan Cheng2007-09-042-1/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41712 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR1613: added 64-bit rotate left PPC instructions and patterns.Evan Cheng2007-09-042-0/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41711 91177308-0d34-0410-b5e6-96231b3b80d8
* Always check the type of node. This prevents situations such as selecting ↵Evan Cheng2007-09-041-36/+30
| | | | | | 32-bit rotate target instruction for a 64-bit node when 64-bit pattern is missing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41710 91177308-0d34-0410-b5e6-96231b3b80d8
* Update generated files.David Greene2007-09-046-4505/+5146
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41706 91177308-0d34-0410-b5e6-96231b3b80d8
* fix reversal bug in preceding checkinDale Johannesen2007-09-041-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41705 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert this because the interface hasn't been updated yet.David Greene2007-09-041-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41703 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.David Greene2007-09-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41702 91177308-0d34-0410-b5e6-96231b3b80d8
* Mac OS X X86-64 ABI is same as the standard.Evan Cheng2007-09-041-6/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41700 91177308-0d34-0410-b5e6-96231b3b80d8
* Update GEP constructors to use an iterator interface to fixDavid Greene2007-09-0421-160/+195
| | | | | | | GLIBCXX_DEBUG issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41697 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r41578 with proper fixAnton Korobeynikov2007-09-031-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41680 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence warning while compiling with gcc 4.2Anton Korobeynikov2007-09-022-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41676 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit proper "secrel" directive, where possible. This fixes invalid asm ↵Anton Korobeynikov2007-09-021-43/+28
| | | | | | | | | syntax of debug info on mingw32. Also, cleanup some stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41675 91177308-0d34-0410-b5e6-96231b3b80d8
* More tweaks to improve compile time.Evan Cheng2007-09-012-41/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41669 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a gcroot lowering bug.Evan Cheng2007-09-012-2/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41668 91177308-0d34-0410-b5e6-96231b3b80d8
* Oops, should be part of 41664; won't work very well without this piece.Dale Johannesen2007-08-311-0/+38
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41665 91177308-0d34-0410-b5e6-96231b3b80d8
* Add mod, copysign, abs operations to APFloat.Dale Johannesen2007-08-314-51/+78
| | | | | | | | | Implement some constant folding in SelectionDAG and DAGCombiner using APFloat. Remove double versions of constructor and getValue from ConstantFPSDNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41664 91177308-0d34-0410-b5e6-96231b3b80d8
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