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* constified several pointer arguments for methods in the Deserializer.Ted Kremenek2007-10-311-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43583 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a regression in test/CodeGen/X86/2007-04-24-VectorCrash.ll introducedDan Gohman2007-10-311-4/+3
| | | | | | | | by r43510. Gracefully handle constants with vector type that aren't ConstantVector or ConstantAggregateZero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43579 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a preverifier pass to check that every basic block ends in a terminator, ↵Owen Anderson2007-10-311-1/+20
| | | | | | so that we don't segfault when verifying invalid code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43578 91177308-0d34-0410-b5e6-96231b3b80d8
* Implemented deserialization of references. References are handledTed Kremenek2007-10-311-1/+13
| | | | | | | | | | | | | | just like pointers, except that they cannot be backpatched. This means that references are essentially non-owning pointers where the referred object must be deserialized prior to the reference being deserialized. Because of the nature of references, this ordering of objects is always possible. Fixed a bug in backpatching code (returning the backpatched pointer would accidentally include a bit flag). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43570 91177308-0d34-0410-b5e6-96231b3b80d8
* Added Serializer::EmitRef to deal with emitting arbitrary references.Ted Kremenek2007-10-311-1/+1
| | | | | | | Modified Serializer::EmitPtr to handle const pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43565 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ARM and X86 LowerMEMCPY identical by moving the isThumb check into ↵Rafael Espindola2007-10-314-23/+16
| | | | | | | | | | | | getMaxInlineSizeThreshold and by restructuring the X86 version. New I just have to move this to a common place :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43554 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment.Dan Gohman2007-10-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43553 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ARM an X86 memcpy expansion more similar to each other.Rafael Espindola2007-10-315-11/+11
| | | | | | | | | | Now both subtarget define getMaxInlineSizeThreshold and the expansion uses it. This should not change generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43552 91177308-0d34-0410-b5e6-96231b3b80d8
* Promotion of sdiv/srem/udiv/urem.Duncan Sands2007-10-311-0/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43551 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a newline at the end of the file.Duncan Sands2007-10-312-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43550 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the skeleton of a better PHI elimination pass.Owen Anderson2007-10-311-0/+112
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43542 91177308-0d34-0410-b5e6-96231b3b80d8
* Some fixes to get MachineDomTree working better.Owen Anderson2007-10-311-0/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43541 91177308-0d34-0410-b5e6-96231b3b80d8
* Make i64=expand_vector_elt(v2i64) work in 32-bit mode.Dale Johannesen2007-10-312-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43535 91177308-0d34-0410-b5e6-96231b3b80d8
* At end of LSR, replace uses of now constant (as result of SplitCriticalEdge) ↵Evan Cheng2007-10-301-9/+33
| | | | | | PHI node with the constant value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43533 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not safe to tell SplitCriticalEdge to merge identical edges. It may ↵Evan Cheng2007-10-301-11/+9
| | | | | | delete the phi instruction that's being processed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43524 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing SSE builtins: CVTPD2PI, CVTPS2PI,Dale Johannesen2007-10-301-0/+51
| | | | | | | | CVTTPD2PI, CVTTPS2PI, CVTPI2PD, CVTPI2PS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43523 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo.Evan Cheng2007-10-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43511 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for folding binary operators with vector zero operands.Dan Gohman2007-10-301-19/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43510 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for visibility warnings generated by gcc-4.2.Duncan Sands2007-10-302-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43500 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for expanding trunc stores. ConsiderDuncan Sands2007-10-301-62/+126
| | | | | | | | | | | | | | | | | | storing an i170 on a 32 bit machine. This is first promoted to a trunc-i170 store of an i256. On a little-endian machine this expands to a store of an i128 and a trunc-i42 store of an i128. The trunc-i42 store is further expanded to a trunc-i42 store of an i64, then to a store of an i32 and a trunc-i10 store of an i32. At this point the operand type is legal (i32) and expansion stops (legalization of the trunc-i10 needs to be handled in LegalizeDAG.cpp). On big-endian machines the high bits are stored first, and some bit-fiddling is needed in order to generate aligned stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43499 91177308-0d34-0410-b5e6-96231b3b80d8
* If a call to getTruncStore is for a normal store,Duncan Sands2007-10-301-3/+5
| | | | | | | | | offload to getStore rather than trying to handle both cases at once (the assertions for example assume the store really is truncating). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43498 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing MMX PSUBQ.Dale Johannesen2007-10-301-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43488 91177308-0d34-0410-b5e6-96231b3b80d8
* - Bug fixes.Evan Cheng2007-10-291-10/+38
| | | | | | | - Allow icmp rewrite using an iv / stride of a smaller integer type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43480 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a DAGCombiner abort on a bitcast from a scalar to a vector.Dan Gohman2007-10-291-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43470 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't bitcast from pointer-to-vector to pointer-to-array whenDan Gohman2007-10-291-20/+4
| | | | | | | lowering load and store instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43468 91177308-0d34-0410-b5e6-96231b3b80d8
* Use an array instead of a fixed-length std::vector.Dan Gohman2007-10-291-6/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43467 91177308-0d34-0410-b5e6-96231b3b80d8
* Do a real assert if there is an unhandled vector instruction insteadDan Gohman2007-10-291-3/+3
| | | | | | | of just printing to cerr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43466 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable more fold (sext (load x)) -> (sext (truncate (sextload x)))Evan Cheng2007-10-293-24/+145
| | | | | | | | | transformation. Previously, it's restricted by ensuring the number of load uses is one. Now the restriction is loosened up by allowing setcc uses to be "extended" (e.g. setcc x, c, eq -> setcc sext(x), sext(c), eq). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43465 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit keywords.Dan Gohman2007-10-292-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43464 91177308-0d34-0410-b5e6-96231b3b80d8
* Update a comment to reflect the current code.Dan Gohman2007-10-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43463 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an unused function argument.Dan Gohman2007-10-291-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43462 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment.Dan Gohman2007-10-291-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43461 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid calling ValidStride when not all uses are addresses.Dan Gohman2007-10-291-6/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43460 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed warning concerning implicit conversion from a NULL pointerTed Kremenek2007-10-291-1/+1
| | | | | | | constant to an unsigned int. We now just directly assign the literal 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43459 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid doing something dumb like rewriting using a 64-bit iv in 32-bit mode.Evan Cheng2007-10-291-1/+5
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* add a note.Chris Lattner2007-10-291-0/+33
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* I am not sure this is a good idea to be an option, but rename the option forChris Lattner2007-10-291-1/+1
| | | | | | | now. It conflicts with clang's -pedantic flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43431 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for the x86-64 'q' regigster modifier, and add support for theChris Lattner2007-10-291-2/+18
| | | | | | | | | b/h/w/k/q inline asm memory modifiers, which are just ignored. This fixes PR1748 and CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43430 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1749 and InstCombine/2007-10-28-EmptyField.ll by handlingChris Lattner2007-10-291-1/+7
| | | | | | | zero-length fields better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43427 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1752 and LoopSimplify/2007-10-28-InvokeCrash.ll: terminators Chris Lattner2007-10-291-4/+6
| | | | | | | can have uses too. Wouldn't it be nice if invoke didn't exist? :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43426 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed assertion in Deserializer::~Deserializer that checks forTed Kremenek2007-10-281-2/+6
| | | | | | | pointers that were not backpatched (previously checked the wrong invariant). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43425 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 'pedantic' mode to verifier rejecting syntactically valid, but 'bad' due ↵Anton Korobeynikov2007-10-281-3/+14
| | | | | | to other reasons code git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43424 91177308-0d34-0410-b5e6-96231b3b80d8
* Updated backpatching logic during object deserialization to performTed Kremenek2007-10-281-24/+38
| | | | | | | | | eager backpatching instead of waithing until all objects have been deserialized. This allows us to reduce the memory footprint needed for backpatching. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43422 91177308-0d34-0410-b5e6-96231b3b80d8
* The guaranteed alignment of ptr+offset is only the minimum ofDuncan Sands2007-10-283-23/+27
| | | | | | | | | | | | | | | | | | | | of offset and the alignment of ptr if these are both powers of 2. While the ptr alignment is guaranteed to be a power of 2, there is no reason to think that offset is. For example, if offset is 12 (the size of a long double on x86-32 linux) and the alignment of ptr is 8, then the alignment of ptr+offset will in general be 4, not 8. Introduce a function MinAlign, lifted from gcc, for computing the minimum guaranteed alignment. I've tried to fix up everywhere under lib/CodeGen/SelectionDAG/. I also changed some places that weren't wrong (because both values were a power of 2), as a defensive change against people copying and pasting the code. Hopefully someone who cares about alignment will review the rest of LLVM and fix up the remaining places. Since I'm on x86 I'm not very motivated to do this myself... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43421 91177308-0d34-0410-b5e6-96231b3b80d8
* New entry.Evan Cheng2007-10-281-0/+62
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* A number of LSR fixes:Evan Cheng2007-10-261-21/+32
| | | | | | | | | | - ChangeCompareStride only reuse stride that is larger than current stride. It will let the general reuse mechanism to try to reuse a smaller stride. - Watch out for multiplication overflow in ChangeCompareStride. - Replace std::set with SmallPtrSet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43408 91177308-0d34-0410-b5e6-96231b3b80d8
* Added serialization support for APInt.Ted Kremenek2007-10-262-0/+64
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43405 91177308-0d34-0410-b5e6-96231b3b80d8
* - Remove the hacky code that forces a memcpy. Alignment is taken care of in theBill Wendling2007-10-261-11/+3
| | | | | | | | | | FE. - Explicitly pass in the alignment of the load & store. - XFAIL 2007-10-23-UnalignedMemcpy.ll because llc has a bug that crashes on unaligned pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43398 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash. Make sure TLI is not null.Evan Cheng2007-10-261-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43384 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix off-by-one stack offset computations (dwarf information) for callee-savedAnton Korobeynikov2007-10-261-1/+2
| | | | | | | | | registers in case, when FP pointer was eliminated. This should fixes misc. random EH-related crahses, when stuff is compiled with -fomit-frame-pointer. Thanks Duncan for nailing this bug! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43381 91177308-0d34-0410-b5e6-96231b3b80d8
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