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2011-02-03Ensure that the computed interference intervals actually overlap their basic ↵Jakob Stoklund Olesen
blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124815 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Tweak debug output from SlotIndexes.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Add debug output and asserts to the phi-connecting code.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124813 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Fix coloring bug when mapping values in the middle of a live-through block.Jakob Stoklund Olesen
If the found value is not live-through the block, we should only add liveness up to the requested slot index. When the value is live-through, the whole block should be colored. Bug found by SSA verification in the machine code verifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Return live range end points from SplitEditor::enter*/leave*.Jakob Stoklund Olesen
These end points come from the inserted copies, and can be passed directly to useIntv. This simplifies the coloring code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124799 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Silence an MSVC warningJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124798 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03[AVX] VEXTRACTF128 support. This commit includes patterns forDavid Greene
matching EXTRACT_SUBVECTOR to VEXTRACTF128 along with support routines to examine and translate index values. VINSERTF128 comes next. With these two in place we can begin supporting more AVX operations as INSERT/EXTRACT can be used as a fallback when 256-bit support is not available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124797 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Add XCore intrinsics for resource instructions.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Improve threading of comparisons over select instructions (spotted by myDuncan Sands
auto-simplifier). This has a big impact on Ada code, but not much else. Unfortunately the impact is mostly negative! This is due to PR9004 (aka SCCP failing to resolve conditional branch conditions in the destination blocks of the branch), in which simple correlated expressions are not resolved but complicated ones are, so simplifying has a bad effect! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124788 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Reapply this.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124779 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Temporarily revert 124765 in an attempt to find the cycle breaking bootstrap.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124778 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Fix PR9127 by reversing the operands even if they have more then one use.Rafael Espindola
Reversing the operands allows us to fold, but doesn't force us to. Also, at this point the DAG is still being optimized, so the check for hasOneUse is not very precise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124773 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03raw_fd_ostream: Add a SetUseAtomicWrites() method (uses writev).Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124771 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Defer SplitKit value mapping until all defs are available.Jakob Stoklund Olesen
The greedy register allocator revealed some problems with the value mapping in SplitKit. We would sometimes start mapping values before all defs were known, and that could change a value from a simple 1-1 mapping to a multi-def mapping that requires ssa update. The new approach collects all defs and register assignments first without filling in any live intervals. Only when finish() is called, do we compute liveness and mapped values. At this time we know with certainty which values map to multiple values in a split range. This also has the advantage that we can compute live ranges based on the remaining uses after rematerializing at split points. The current implementation has many opportunities for compile time optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124765 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03Fix typo in comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124759 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Add support to describe template value parameter in debug info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124755 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Add support to describe template parameter type in debug info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124752 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Reenable the transform "(X*Y)/Y->X" when the multiplication is known not toDuncan Sands
overflow (nsw flag), which was disabled because it breaks 254.gap. I have informed the GAP authors of the mistake in their code, and arranged for the testsuite to use -fwrapv when compiling this benchmark. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124746 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Update comment to match my recent change.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124725 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02SimplifyCFG: Turn switches into sub+icmp+branch if possible.Benjamin Kramer
This makes the job of the later optzn passes easier, allowing the vast amount of icmp transforms to chew on it. We transform 840 switches in gcc.c, leading to a 16k byte shrink of the resulting binary on i386-linux. The testcase from README.txt now compiles into decl %edi cmpl $3, %edi sbbl %eax, %eax andl $1, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124724 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Add support for trampolines on the XCore.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124722 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Remove NoVendor and NoOS, added in commit 123990, from Triple. While itDuncan Sands
may be useful to understand "none", this is not the place for it. Tweak the fix to Normalize while there: the fix added in 123990 works correctly, but I like this way better. Finally, now that Triple understands some non-trivial environment values, teach the unittests about them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124720 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Remove wasteful caching. This isn't needed for correctness because any functionNick Lewycky
that might have changed been affected by a merge elsewhere will have been removed from the function set, and it isn't needed for performance because we call grow() ahead of time to prevent reallocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124717 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Conservatively, clear optional flags, such as nsw, when performingDan Gohman
reassociation. No testcase, because I wasn't able to create a testcase which actually demonstrates a problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124713 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Fix reassociate to clear optional flags, such as nsw.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124712 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Fixed a bug in the disassembler where the mandatory 0x66Sean Callanan
prefix would be misinterpreted in some cases on 32-bit x86 platforms. Thanks to Olivier Meurant for identifying the bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124709 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Given a pair of floating point load and store, if there are no other uses ofEvan Cheng
the load, then it may be legal to transform the load and store to integer load and store of the same width. This is done if the target specified the transformation as profitable. e.g. On arm, this can transform: vldr.32 s0, [] vstr.32 s0, [] to ldr r12, [] str r12, [] rdar://8944252 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124708 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01PR9081: Split up LDM instruction with deprecated use of both LR and PC.Bob Wilson
This is completely untested but pretty straightforward, so hopefully I got it right. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124694 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Take Bill Wendling's suggestion for structuring a couple of asserts.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124688 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Fix imm printing for logical instructions.Anton Korobeynikov
Patch by Brian G. Lucas! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Make SwitchInst::removeCase() more efficient.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124659 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Add a m_Undef pattern for convenience. This is so that code that usesDuncan Sands
pattern matching can also pattern match undef, creating a more uniform style. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124657 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Add a m_SignBit pattern for convenience.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124656 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Have m_One also match constant vectors for which every element is 1.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124655 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Test commit - fix a double 'should' in a comment.Carl Norum
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Correctly merge available_externally and regular definitions when they haveRafael Espindola
different visibilities. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124650 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Fix bogus assert condition noticed by Csaba Raduly.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124645 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Reapply 124275 since the Dragonegg failure was unreproducible.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124641 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Patches to build EFI with Clang/LLVM. By Carl Norum.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124639 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31Keep track of incoming argument's location while emitting LiveIns.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124611 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31Enumerate .code16/32/64 instead of checking .code prefix. ThisRoman Divacky
unbreaks some ARM tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124608 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31Error on all .code* directives instead of just .code16 as theyRoman Divacky
all lead to a silent miscompilation of code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124603 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31Fix vector sign extend to put the source and destination types in theDavid Greene
correct places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124601 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31add a note, progress unblocked by PR8575 being fixed.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124599 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31Fix bug where ReduceLoadWidth was creating illegal ZEXTLOAD instructions.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124587 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-30Save a mapping between original and cloned constpool entries.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124570 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-30Clarify the LSDASection NULL checkAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124569 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-30Recognize and simplifyAnders Carlsson
(A+B) == A -> B == 0 A == (A+B) -> B == 0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-30Respect the -tail-dup-size command line option even when optimizing for size.Jakob Stoklund Olesen
This is similar to the -unroll-threshold option. There should be no change in behavior when -tail-dup-size is not explicit on the llc command line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124564 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-30Commit 124487 broke 254.gap. See if disabling the part that might be triggeredDuncan Sands
by PR9088 fixes things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124561 91177308-0d34-0410-b5e6-96231b3b80d8
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