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2011-06-02Initialize members to fix problem found by valgrind.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132456 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Use TRI::has{Sub,Super}ClassEq() where possible.Jakob Stoklund Olesen
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132455 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Tweak testcase for ARM bot. rdar://problem/5993888Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132454 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Don't hardcode the %reg format in the streamer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Add a RegisterClassInfo class that lazily caches information aboutJakob Stoklund Olesen
register classes. It provides information for each register class that cannot be determined statically, like: - The number of allocatable registers in a class after filtering out the reserved and invalid registers. - The preferred allocation order with registers that overlap callee-saved registers last. - The last callee-saved register that overlaps a given physical register. This information usually doesn't change between functions, so it is reused for compiling multiple functions when possible. The many possible combinations of reserved and callee saves registers makes it unfeasible to compute this information statically in TableGen. Use RegisterClassInfo to count available registers in various heuristics in SimpleRegisterCoalescing, making the pass run 4% faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Detect FI|cst pattern in MipsDAGToDAGISel::SelectAddr. Patch by Sasa Stankovic.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132448 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Test case for r132444.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132445 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02Custom-lower FRAMEADDR. Patch by Sasa Stankovic.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132444 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02When marking a block as being unanalyzable, use "Clobber" on the terminator ↵Eli Friedman
instead of the first instruction in the block. This is a bit of a hack; "Clobber" isn't really the right marking in the first place. memdep doesn't really have any way of properly expressing "unanalyzable" at the moment. Using it on the terminator is much less ambiguous than using it on an arbitrary instruction, though. In the given testcase, the "Clobber" was pointing to a load, and GVN was incorrectly assuming that meant that the "Clobber" load overlapped the load being analyzed (when they are actually unrelated). The included testcase tests both this commit and r132434. Part two of rdar://9429882. (r132434 was mislabeled.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132442 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Typos.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132437 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01In MemoryDependenceAnalysis::getNonLocalPointerDepFromBB, if a given block ↵Eli Friedman
is is deemed unanalyzable (and we execute one of the "goto PredTranslationFailure" statements), make sure we don't put information about the predecessors of that block into the returned data structures; this can lead to, among other things, extraneous results (which will confuse passes using memdep). Fixes an assert in GVN compiling ruby. Part of rdar://problem/9521954 . Testcase coming up soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132434 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01A DBG_VALUE that truncates a range does not start another dbg value range.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Do not drop constant values when a variable's content is described using ↵Devang Patel
.debug_loc entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Recommit 132404 with fixes. rdar://problem/5993888Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Allow bitcasts between valid types of the same size and vectorEric Christopher
types if the vector type is legal. Fixes rdar://9306086 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132420 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Revert 132404 to appease a buildbot. rdar://problem/5993888Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132419 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Refactor LegalizeTypes: Erase LegalizeAction and make the type legalizer useNadav Rotem
the TargetLowering enum. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132418 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01SCEV: missing null check fix for r132360, dragonegg crash.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132416 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Revert r132358 "Simplify the eviction policy by making the failsafe explicit."Jakob Stoklund Olesen
This commit caused regressions in i386 flops-[568], matrix, salsa20, 256.bzip2, and enc-md5. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Fix double FGETSIGN to work on x86_32; followup to 132396.Stuart Hastings
rdar://problem/5660695 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Add a testcase, enabled only on arm, for llvm-gcc r132366.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Cleanup test case. rdar://problem/5660695Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132408 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Initialize IssueWidth to zero.Benjamin Kramer
Fixes valgrind errors in the CellSPU backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132405 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Add support for x86 CMPEQSS and friends. These instructions do aStuart Hastings
floating-point comparison, generate a mask of 0s or 1s, and generally DTRT with NaNs. Only profitable when the user wants a materialized 0 or 1 at runtime. rdar://problem/5993888 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Reapply 132348 with fixes. rdar://problem/6501862Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132402 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01A forthcoming SSE patch will break this test; since the test is alsoStuart Hastings
valid for x87, re-target to x87. rdar://problem/5993888 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Test case for 132396. rdar://problem/5660695Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132399 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Fix PR10059 and future variations by handling all register subclasses.Jakob Stoklund Olesen
Add TargetRegisterInfo::hasSubClassEq and use it to check for compatible register classes instead of trying to list all register classes in X86's getLoadStoreRegOpcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132398 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Turn on FGETSIGN for x86. Followup to 132388. rdar://problem/5660695Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132396 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Add new -d option to tblgen. It writes a make(1)-style dependency file.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132395 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01This patch is another step in the direction of adding vector select. In thisNadav Rotem
patch we add a flag to enable a new type legalization decision - to promote integer elements in vectors. Currently, the rest of the codegen does not support this kind of legalization. This flag will be removed when the transition is complete. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132394 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01FGETSIGN support for x86, using movmskps/pd. Will be enabled with aStuart Hastings
patch to TargetLowering.cpp. rdar://problem/5660695 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132388 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Add an issue width check to the postRA scheduler. Patch by Max Kazakov!Andrew Trick
For targets with no itinerary (x86) it is a nop by default. For targets with issue width already expressed in the itinerary (ARM) it bypasses a scoreboard check but otherwise does not affect the schedule. It does make the code more consistent and complete and allows new targets to specify their issue width in an arbitrary way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132385 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01First, do no harm -- even if we can't find a selector for an enclosingJohn McCall
landing pad, forward llvm.eh.resume calls to it instead of turning them invalidly into invokes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132382 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01The ARM stuff already calls the Resume function, not the Resume_or_Rethrow. ItBill Wendling
turns out that it could cause an infinite loop in some situations. If this code is triggered and it converts a cleanup into a catchall, but that cleanup was in already in a cleanup, then the _Unwind_SjLj_Resume could infinite loop. I.e., the code doesn't consume the exception object and passes it on to _Unwind_SjLj_Resume. But _USjLjR expects it to be consumed (since it's landing at a catchall instead of a cleanup). So it uses the values that are presently there, which are the values that tell it to jump to the fake landing pad. <rdar://problem/9508402> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132381 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-01Incomplete type may not have corresponding DIE, so do not check DIEEntry ↵Devang Patel
eagerly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Refactor.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132373 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Include global types, that are referenced through local variables, in ↵Devang Patel
debug_pubtypes list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132371 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Ignore Vim swap filesJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Reverted r132135 per Xerxes request. These tests are passing for his setup. ↵Galina Kistanova
Requires more research. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31scev: Better sign-extend removal. Normalize postincrement recurrencesAndrew Trick
so that their sign extended forms are congruent when no overflow occurs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132360 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Simplify the eviction policy by making the failsafe explicit.Jakob Stoklund Olesen
When assigned ranges are evicted, they are put in the RS_Evicted stage and are not allowed to evict anything else. That prevents looping automatically. When evicting ranges just to get a cheaper register, use only spill weights to find the possible candidates. Avoid breaking hints for this purpose, it is not worth it. Start implementing more complex eviction heuristics, guarded by the temporary -complex-eviction flag. The initial version permits a heavier range to be evicted if it doesn't have any uses where the evicting range is live. This makes it a good candidate for live ranfge splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132358 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31llvm.memcpy.* has two distinct associated address spaces; the source address ↵Eli Friedman
space, and the destination address space. Fix up the interface on MemIntrinsic and MemTransferInst to make this clear, and fix InstructionDereferencesPointer in LazyValueInfo.cpp to use the interface properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132356 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Fix uninitialized variables and silence warningsBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132355 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Add a minor missing -verify check. Found by inspection.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Also remove -lLTO which should have been in r132349. I failed to apply thisNick Lewycky
from David Meyer's patch! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Revert to pacify a buildbot. rdar://problem/6501862Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132351 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Make the gold plugin build on Cygwin as well as Linux. Patch by David Meyer!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Followup to 132316; accept arbitrary constants, add with a constant,Stuart Hastings
sub with a non-constant. Fix comments, enlarge test case. rdar://problem/6501862 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31Fix html formatting.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132345 91177308-0d34-0410-b5e6-96231b3b80d8
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