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2007-11-17Remove indeterminism from a loop. We think this willDale Johannesen
fix an occasional nonrepeatable bootstrap failure we've been seeing on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44202 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-17Fix denormal check in float->APInt conversion.Dale Johannesen
PR 1804. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44201 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-17Changed implementation of Serialize::EmitDiffPtrID andTed Kremenek
Deserialize::ReadDiffPtrID to read and emit bools instead of unsigned integers. This should result in a nice space optimization once we have "auto-abbreviation" generation in place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44200 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-17Implemented optimization for BatchEmitOwnedPtrs that we only emit one completeTed Kremenek
SerializedPtrID, followed by the *differences* in IDs. The big idea is that most IDs will be just be 1 off from the previous (either that or NULL, which we encode as a difference if 0), so this will greatly reduce the encoding space for extra IDs to just 1 bit per pointer. So far this optimization reduces serialization of Carbon.h by only 1%, but we aren't using any abbreviations now in the Bitcode file to properly take advantage of this optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44199 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-17Live interval splitting:Evan Cheng
When a live interval is being spilled, rather than creating short, non-spillable intervals for every def / use, split the interval at BB boundaries. That is, for every BB where the live interval is defined or used, create a new interval that covers all the defs and uses in the BB. This is designed to eliminate one common problem: multiple reloads of the same value in a single basic block. Note, it does *not* decrease the number of spills since no copies are inserted so the split intervals are *connected* through spill and reloads (or rematerialization). The newly created intervals can be spilled again, in that case, since it does not span multiple basic blocks, it's spilled in the usual manner. However, it can reuse the same stack slot as the previously split interval. This is currently controlled by -split-intervals-at-bb. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44198 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-17Shrinkfy.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44197 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16Typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44196 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16Testcase from PR 1508 (although its's somewhatDale Johannesen
orthogonal to the main problem there) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44194 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16Fix for PR1801Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44193 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16These were implementedAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44189 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16Fix PR1800 by correcting mistaken logic.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44188 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16fix a typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44187 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-16Implement codegen for flt_rounds on x86Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44183 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Implement necessary bits for flt_rounds gcc builtin. Anton Korobeynikov
Codegen bits and llvm-gcc support will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44182 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Basic non-power-of-2 vector supportNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44181 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Reverted r44163 per requestAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44177 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Fix bugs in iterator invalidationDaniel Berlin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44174 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15This assertion was bogus.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44167 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Fix a thinko in post-allocation coalescer.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44166 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Fix handling of overflow in loop calculation by adding new UDiv SCEV. This SCEVNick Lewycky
is disabled in the sense that it will refuse to create one from a UDiv instruction, until the code is better tested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44163 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Fix PR1788 by taking the approach suggested by Richard Smith.Chris Lattner
Thanks to him for his detailed analysis of the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44162 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Import the boost scoped_ptr class to LLVM. This patch was prepared byChris Lattner
Cédric Venet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44161 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15More templatization.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44158 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15many edits, patch by Kelly Wilson!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44157 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Adding debug output during coalescing.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44154 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Need to increment the iterator.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44153 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15Fixed serious bug in BatchReadOwnedPtrs where in a chain of calls toTed Kremenek
deserialize objects if BatchReadOwnedPtrs was called more than once in the same call chain then the second call would overwrite the SerializedPtrIDs being used by the first call. Solved this problem by making the vector that holds the pointer IDs local to a function call. Now BatchReadOwnedPtrs is reentrant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44152 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14I discover array_lengthof, thanks to gabor on #llvm.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44139 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Tweak the descriptions of the new 'const' and 'pure' attributes.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44132 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Oops. Debugging code shouldn't have been checked in.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44128 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Removed debug #define that was accidentally checked in while debuggingTed Kremenek
the deserializer. Fixed assertion when "stream jumping" in the deserializer to properly function when we have reached the end of the stream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44124 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Simplify the attribute verification code.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44116 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Un XFAIL these tests, now that Bill has backportedDuncan Sands
the fix from 4.2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44115 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Document pure/const parameter attributesAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44111 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14RegenerateAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44110 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Add pure/const attributes. Documentation will follow.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44109 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Fix PIC jump table codegen on x86-32/linux. In fact, such thing should be ↵Anton Korobeynikov
applied to all targets uses GOT-relative offsets for PIC (Alpha?) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44108 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Eliminate the recently introduced CCAssignToStackABISizeAlignDuncan Sands
in favour of teaching CCAssignToStack that size 0 and/or align 0 means to use the ABI values. This seems a neater solution. It is safe since no legal value type has size 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44107 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Added two new overloaded versions of BatchEmitOwnedPtrs andTed Kremenek
BatchReadOwnedPtrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44105 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Clean up sub-register implementation by moving subReg information back toEvan Cheng
MachineOperand auxInfo. Previous clunky implementation uses an external map to track sub-register uses. That works because register allocator uses a new virtual register for each spilled use. With interval splitting (coming soon), we may have multiple uses of the same register some of which are of using different sub-registers from others. It's too fragile to constantly update the information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44104 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14XFAIL these tests until the fix gets backportedDuncan Sands
from llvm-gcc-4.2 to 4.0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44103 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Document a limitation, patch contributed by George RussellChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44102 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Allow the block extractor take to take a list of basic blocks to not extractNick Lewycky
from a file containing Function/BasicBlock pairings. This is not safe against anonymous or abnormally-named Funcs or BBs. Make bugpoint use this interface to pass the BBs list to the child bugpoint. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44101 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Implement PR1796 and Transforms/SimplifyCFG/noreturn-call.llChris Lattner
by inserting unreachable after no-return calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44099 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14Start the process of making MachineLoopInfo possible by templating Loop.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44097 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-13Fixed a compilation error.Hartmut Kaiser
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44083 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-13Fixed a strange construct. Please review.Hartmut Kaiser
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44082 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-13Updated VC++ build systemHartmut Kaiser
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44081 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-13Fix the regression on Transforms/GlobalOpt/deadglobal-2.ll from myChris Lattner
patch on friday. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44068 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-13upgrade testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44067 91177308-0d34-0410-b5e6-96231b3b80d8
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