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* Filter exit conditions which are not yet handled.Devang Patel2007-09-101-1/+3
| | | | llvm-svn: 41800
* Require SCEV before LCSSA.Devang Patel2007-09-101-1/+1
| | | | llvm-svn: 41798
* Remove an un-needed dependence query. This improves compile time marginally ↵Owen Anderson2007-09-091-9/+10
| | | | | | on 401.bzip2. llvm-svn: 41792
* Implement misaligned FP loads and stores.Dale Johannesen2007-09-081-11/+48
| | | | llvm-svn: 41786
* Smarter Reset(). Instead of deallocating all memory regions and reallocate theEvan Cheng2007-09-081-5/+17
| | | | | | first region, just deallocate all but the last region in the list. llvm-svn: 41782
* TableGen no longer emit CopyFromReg nodes for implicit results in physicalEvan Cheng2007-09-072-46/+2
| | | | | | registers. The scheduler is now responsible for emitting them. llvm-svn: 41781
* Add missing index versions of instructions to the map.Bill Wendling2007-09-071-1/+7
| | | | llvm-svn: 41776
* Avoid storing and reloading zeros and other constants from stack slotsDan Gohman2007-09-073-2/+8
| | | | | | by flagging the associated instructions as being trivially rematerializable. llvm-svn: 41775
* Apply feedback from previous patch.Dale Johannesen2007-09-076-3827/+2823
| | | | llvm-svn: 41774
* Revert previous change to IR.Dale Johannesen2007-09-072-5/+4
| | | | llvm-svn: 41769
* Add support for having different alignment for objects on call frames.Rafael Espindola2007-09-073-8/+25
| | | | | | | The x86-64 ABI states that objects passed on the stack have 8 byte alignment. Implement that. llvm-svn: 41768
* Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is ↵Anton Korobeynikov2007-09-072-12/+21
| | | | | | | | needed, because they just "mark" register liveins and we let frontend solve type issue, not lowering code :) llvm-svn: 41763
* Don't zap back to back volatile load/storesChris Lattner2007-09-071-1/+1
| | | | llvm-svn: 41759
* Add lengthof and endof templates that hide a lot of sizeof computations.Owen Anderson2007-09-0714-41/+43
| | | | | | Patch by Sterling Stein! llvm-svn: 41758
* Constify to catch bugs.David Greene2007-09-061-2/+2
| | | | llvm-svn: 41751
* Next round of APFloat changes.Dale Johannesen2007-09-0624-206/+295
| | | | | | | | | | | | | | 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.) llvm-svn: 41747
* Proper handle case, when aliasee is external weak symbol referenced only by ↵Anton Korobeynikov2007-09-061-6/+13
| | | | | | | | alias itself. Also, fix a case, when target doesn't have weak symbols supported. llvm-svn: 41746
* Add instruction dump output. This helps find bugs.David Greene2007-09-061-0/+6
| | | | llvm-svn: 41744
* Pluggable coalescers inplementation.David Greene2007-09-063-1/+63
| | | | llvm-svn: 41743
* Use isTrueWhenEqual. Thanks Chris!Nick Lewycky2007-09-061-8/+13
| | | | llvm-svn: 41741
* When the two operands of an icmp are equal, there are five possible predicatesNick Lewycky2007-09-061-1/+3
| | | | | | that would make the icmp true. Fixes PR1637. llvm-svn: 41740
* Fix a memory leak.Evan Cheng2007-09-062-1/+4
| | | | llvm-svn: 41739
* Fix a bug in X86InstrInfo::convertToThreeAddress that caused it to codegen:Evan Cheng2007-09-061-25/+15
| | | | | | | | leal (,%rcx,8), %rcx It should be leal (,%rcx,8), %ecx llvm-svn: 41735
* LVXL and STVXL are also a load and store resp.Bill Wendling2007-09-051-0/+2
| | | | llvm-svn: 41733
* Use pool allocator for all the VNInfo's to improve memory access locality. ↵Evan Cheng2007-09-053-66/+50
| | | | | | This reduces coalescing time on siod Mac OS X PPC by 35%. Also remove the back ptr from VNInfo to LiveInterval and other tweaks. llvm-svn: 41729
* Added Reset() to free all allocated memory regions and reset state to be the ↵Evan Cheng2007-09-051-0/+6
| | | | | | same as right after ctor. llvm-svn: 41728
* Missing break. Patch by Wojciech Matyjewicz.Evan Cheng2007-09-051-0/+1
| | | | llvm-svn: 41727
* Fix mod so it actually works. Fix conversions toDale Johannesen2007-09-051-9/+33
| | | | | | native types to handle denormals correctly. llvm-svn: 41726
* Forgot to obey 80 column rule. Fixing that.Chuck Rose III2007-09-051-1/+2
| | | | llvm-svn: 41725
* 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. llvm-svn: 41721
* 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. llvm-svn: 41720
* 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. llvm-svn: 41718
* Add the 64-bit versions of the DS* Altivec instructions.Bill Wendling2007-09-051-14/+45
| | | | llvm-svn: 41717
* Insert cloned loop basic blocks before original loop header.Devang Patel2007-09-041-1/+3
| | | | llvm-svn: 41713
* Fix for PR1632. EHSELECTION always produces a i32 value.Evan Cheng2007-09-041-1/+1
| | | | llvm-svn: 41712
* Fix for PR1613: added 64-bit rotate left PPC instructions and patterns.Evan Cheng2007-09-041-0/+10
| | | | llvm-svn: 41711
* Update generated files.David Greene2007-09-043-2812/+3786
| | | | llvm-svn: 41706
* Mac OS X X86-64 ABI is same as the standard.Evan Cheng2007-09-041-6/+2
| | | | llvm-svn: 41700
* Update GEP constructors to use an iterator interface to fixDavid Greene2007-09-0417-130/+89
| | | | | | GLIBCXX_DEBUG issues. llvm-svn: 41697
* Reapply r41578 with proper fixAnton Korobeynikov2007-09-031-0/+1
| | | | llvm-svn: 41680
* Silence warning while compiling with gcc 4.2Anton Korobeynikov2007-09-022-2/+4
| | | | llvm-svn: 41676
* 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. llvm-svn: 41675
* More tweaks to improve compile time.Evan Cheng2007-09-012-41/+56
| | | | llvm-svn: 41669
* Fix a gcroot lowering bug.Evan Cheng2007-09-011-2/+5
| | | | llvm-svn: 41668
* Oops, should be part of 41664; won't work very well without this piece.Dale Johannesen2007-08-311-0/+38
| | | | llvm-svn: 41665
* Add mod, copysign, abs operations to APFloat.Dale Johannesen2007-08-312-37/+67
| | | | | | | | Implement some constant folding in SelectionDAG and DAGCombiner using APFloat. Remove double versions of constructor and getValue from ConstantFPSDNode. llvm-svn: 41664
* std::map -> DenseMap for slight compile time benefit.Evan Cheng2007-08-311-7/+7
| | | | llvm-svn: 41650
* Revise per review of previous patch.Dale Johannesen2007-08-312-14/+28
| | | | llvm-svn: 41645
* Initial support for calling functions with byval arguments on x86-64Rafael Espindola2007-08-312-22/+37
| | | | llvm-svn: 41643
* Align i64 and f64 at 8 byte on x86-64.Rafael Espindola2007-08-311-6/+12
| | | | | | | This is mandated table 3.1 at http://www.x86-64.org/documentation/abi.pdf llvm-svn: 41642
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