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* Don't call Predicate_* in Mips.Jakob Stoklund Olesen2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111468 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extra header.Eric Christopher2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111456 91177308-0d34-0410-b5e6-96231b3b80d8
* Finish full attribute class emission for clang.Sean Hunt2010-08-18
| | | | | | For more information, see the accompanying clang patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111454 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a newline to debug outputJim Grosbach2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111453 91177308-0d34-0410-b5e6-96231b3b80d8
* refix PR1143 by making basicaa analyze zexts of indices aggresively,Chris Lattner2010-08-18
| | | | | | | which I broke with a recent patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111452 91177308-0d34-0410-b5e6-96231b3b80d8
* If any def of a machine-sink candidate has local uses, it's obviously not ↵Evan Cheng2010-08-18
| | | | | | safe to sink it to a successor block. This bug has been hidden because a later check for critical-edge disable these illegal optimizations. This patch should significantly reduce the amount of time spent on checking dominator information for obviously unsafe sinking. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111450 91177308-0d34-0410-b5e6-96231b3b80d8
* GetLinearExpression is only called when TD is non-null, pass as Chris Lattner2010-08-18
| | | | | | | a reference instead of pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111445 91177308-0d34-0410-b5e6-96231b3b80d8
* rework GEP decomposition to make a new VariableGEPIndex struct instead ofChris Lattner2010-08-18
| | | | | | | | using a pair. This tidies up the code a bit. While setting things up, add a (currently unused) field to keep track of how the value is extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111444 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable ARM base register reuse to local stack slot allocation. Whenever a newJim Grosbach2010-08-18
| | | | | | | | | | | frame index reference to an object in the local block is seen, check if it's near enough to any previously allocaated base register to re-use. rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111443 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase to verify that commands don't crash when they hitDan Gohman2010-08-18
| | | | | | | errors on stderr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111440 91177308-0d34-0410-b5e6-96231b3b80d8
* Make raw_fd_ostream consider itself the owner of STDOUT_FILENO whenDan Gohman2010-08-18
| | | | | | | | | | constructed with an output filename of "-". In particular, allow the file descriptor to be closed, and close the file descriptor in the destructor if it hasn't been explicitly closed already, to ensure that any write errors are detected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111436 91177308-0d34-0410-b5e6-96231b3b80d8
* When sending stats output to stdout for grepping, don't emit normalDan Gohman2010-08-18
| | | | | | | output to standard output also. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111435 91177308-0d34-0410-b5e6-96231b3b80d8
* move gep decomposition out of ValueTracking into BasicAA. The form ofChris Lattner2010-08-18
| | | | | | | | | | | decomposition that it is doing is very basicaa specific and is only used by basicaa. Now with less tree breakingness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111433 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy.Dan Gohman2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111432 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor simplification. Gets rid of a needless temporary.Bill Wendling2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111430 91177308-0d34-0410-b5e6-96231b3b80d8
* Use ConstantRange to propagate information through value definitions.Owen Anderson2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111425 91177308-0d34-0410-b5e6-96231b3b80d8
* When sending stats output to stdout for grepping, don't emit normalDan Gohman2010-08-18
| | | | | | | output to standard output also. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111401 91177308-0d34-0410-b5e6-96231b3b80d8
* Thinking about it, we don't need MachineDominatorTree after all. The DomValueJakob Stoklund Olesen2010-08-18
| | | | | | map discovers the iterated dominance frontier for free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111400 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a ScopedFatalErrorHandler class to make it easy to registerDan Gohman2010-08-18
| | | | | | | | fatal error handlers which automatically get unregistered at the end of a scope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111398 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111394. It was too aggressive.Jakob Stoklund Olesen2010-08-18
| | | | | | | | | | We must complete the DFS, otherwise we might miss needed phi-defs, and prematurely color live ranges with a non-dominating value. This is not a big deal since we get to color more of the CFG and the next mapValue call will be faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111397 91177308-0d34-0410-b5e6-96231b3b80d8
* Aggressively prune the DFS when inserting phi-defs.Jakob Stoklund Olesen2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111394 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the LiveIntervalMap class. Don't hook it up yet.Jakob Stoklund Olesen2010-08-18
| | | | | | | | | | | | | | | | LiveIntervalMap maps values from a parent LiveInterval to a child interval that is a strict subset. It will create phi-def values as needed to preserve the VNInfo SSA form in the child interval. This leads to an algorithm very similar to the one in SSAUpdaterImpl.h, but with enough differences that the code can't be reused: - We don't need to manipulate PHI instructions. - LiveIntervals have kills. - We have MachineDominatorTree. - We can use df_iterator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111393 91177308-0d34-0410-b5e6-96231b3b80d8
* Add df_iterator::getPathLength and getPath as a way of getting a path from theJakob Stoklund Olesen2010-08-18
| | | | | | entry node to the current node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111392 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. TheDaniel Dunbar2010-08-18
| | | | | | form of", it doesn't pass tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111385 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve whitespace.Bill Wendling2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111384 91177308-0d34-0410-b5e6-96231b3b80d8
* Marked with ATTRIBUTE_USED so that clang doesn't complain.Bill Wendling2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111383 91177308-0d34-0410-b5e6-96231b3b80d8
* Inform LazyValueInfo whenever a block is deleted, to avoid dangling pointer ↵Owen Anderson2010-08-18
| | | | | | issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111382 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/ELF: Allow null values in virtual sections, ELF doesn't use specialDaniel Dunbar2010-08-18
| | | | | | directives for putting contents in .bss, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111376 91177308-0d34-0410-b5e6-96231b3b80d8
* move gep decomposition out of ValueTracking into BasicAA. The form ofChris Lattner2010-08-18
| | | | | | | | decomposition that it is doing is very basicaa specific and is only used by basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111375 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hook for re-using virtual base registers for local stack slot access.Jim Grosbach2010-08-18
| | | | | | | | | | | | Nothing fancy, just ask the target if any currently available base reg is in range for the instruction under consideration and use the first one that is. Placeholder ARM implementation simply returns false for now. ongoing saga of rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111374 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate some redundancy by relying on raw_fd_ostream to handle "-"Dan Gohman2010-08-18
| | | | | | | properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111373 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow the -analyze option to follow the -o option, which defaults toDan Gohman2010-08-18
| | | | | | | standard output, instead of just hardcoding outs(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111372 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't translate "-" to outs() manually; raw_ostream does that automatically.Dan Gohman2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111371 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't translate "-" to outs() manually; raw_ostream does thatDan Gohman2010-08-18
| | | | | | | automatically. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111370 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't register stdout to be deleted on a signal.Dan Gohman2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111368 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an unused command-line option.Dan Gohman2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111367 91177308-0d34-0410-b5e6-96231b3b80d8
* Preserve subregs on PHI source operands. Patch by Krister Wombell!Jakob Stoklund Olesen2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111366 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug with insertelement on SPU. Kalle Raiskila2010-08-18
| | | | | | | | The previous algorithm in LowerVECTOR_SHUFFLE didn't check all requirements for "monotonic" shuffles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111361 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove all traces of v2[i,f]32 on SPU. Kalle Raiskila2010-08-18
| | | | | | | | | The "half vectors" are now widened to full size by the legalizer. The only exception is in parameter passing, where half vectors are expanded. This causes changes to some dejagnu tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111360 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SPU C calling convention to match that described in Kalle Raiskila2010-08-18
| | | | | | | | | "SPU Application Binary Interface Specification, v1.9" by IBM. Specifically: use r3-r74 to pass parameters and the return value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111358 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a buggy testChris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111354 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR7589: In brief:Chris Lattner2010-08-18
| | | | | | | | | | | gep P, (zext x) != gep P, (sext x) DecomposeGEPExpression was getting this wrong, confusing basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111352 91177308-0d34-0410-b5e6-96231b3b80d8
* filecheckize and detrivialize.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111350 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR7755: knowing something about an inval for a predChris Lattner2010-08-18
| | | | | | | | | | from the LHS should disable reconsidering that pred on the RHS. However, knowing something about the pred on the RHS shouldn't disable subsequent additions on the RHS from happening. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111349 91177308-0d34-0410-b5e6-96231b3b80d8
* fit in 80 colsChris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111348 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some dead code.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111345 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some dead code.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111344 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some code that is dead now that lea's are modeled with segment registers.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111343 91177308-0d34-0410-b5e6-96231b3b80d8
* remove dead prototype.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111342 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand ZERO_EXTEND operations for NEON vector types.Bob Wilson2010-08-18
| | | | | | | Testcase from Nick Lewycky. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111341 91177308-0d34-0410-b5e6-96231b3b80d8
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