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* Test from Dhrystone to make sure that we're not emitting an aligned load for aBill Wendling2009-11-191-0/+28
| | | | | | | string that's aligned at 8-bytes instead of 16-bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89295 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix buildbots.Bob Wilson2009-11-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89274 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore support for indirectbr / blockaddress.Richard Osborne2009-11-181-0/+45
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89273 91177308-0d34-0410-b5e6-96231b3b80d8
* Tail duplication still needs to iterate. Duplicating new instructions ontoBob Wilson2009-11-181-0/+64
| | | | | | | the tail of a block may make that block a new candidate for duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89264 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5300.Jakob Stoklund Olesen2009-11-181-0/+29
| | | | | | | | When TwoAddressInstructionPass deletes a dead instruction, make sure that all register kills are accounted for. The 2-addr register does not get special treatment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89246 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix inverted test and add testcase from failing self-host.Jakob Stoklund Olesen2009-11-181-0/+52
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89167 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove fragile test.Jakob Stoklund Olesen2009-11-171-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89150 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable arm jumpt table adjustment.Jim Grosbach2009-11-172-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89143 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot to commit test fixesAnton Korobeynikov2009-11-172-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89138 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable -split-phi-edges by default, except when -regalloc=local.Jakob Stoklund Olesen2009-11-172-1/+2
| | | | | | | The local register allocator doesn't like it when LiveVariables is run. We should also disable edge splitting under -O0, but that has to wait a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89125 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 89021. It's miscompiling llvm-gcc driver driver at -O0.Evan Cheng2009-11-172-8/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89082 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable -split-phi-edges by defaultJakob Stoklund Olesen2009-11-172-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89021 91177308-0d34-0410-b5e6-96231b3b80d8
* MOV64rm should be marked isReMaterializable.Evan Cheng2009-11-171-0/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89019 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to FileCheckJim Grosbach2009-11-175-13/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89007 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to FileCheckJim Grosbach2009-11-171-6/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89002 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup. Missed removing these when converting. Oops.Jim Grosbach2009-11-171-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89001 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix this test - there don't appear to be any actual Reload ReusesDan Gohman2009-11-161-1/+0
| | | | | | | in this testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88998 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r87049, which was the workaround for the regression triggeredDan Gohman2009-11-161-2/+2
| | | | | | | | by the recent FixedStackPseudoSourceValue-related changes, now that the specific bug that affected it is fixed, in r88954. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88997 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to FileCheckJim Grosbach2009-11-161-5/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88991 91177308-0d34-0410-b5e6-96231b3b80d8
* - Check memoperand alignment instead of checking stack alignment. Most load ↵Evan Cheng2009-11-161-0/+28
| | | | | | | | | / store folding instructions are not referencing spill stack slots. - Mark MOVUPSrm re-materializable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88974 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to FileCheckJim Grosbach2009-11-161-5/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88947 91177308-0d34-0410-b5e6-96231b3b80d8
* Added a testcase for PR5495.Lang Hames2009-11-161-0/+75
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88946 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to FileCheckJim Grosbach2009-11-161-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88942 91177308-0d34-0410-b5e6-96231b3b80d8
* tbb opt off by defaultJim Grosbach2009-11-161-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88921 91177308-0d34-0410-b5e6-96231b3b80d8
* Support spill comments.David Greene2009-11-161-0/+105
| | | | | | | | | Have the asm printer emit a comment if an instruction is a spill or reload and have the spiller mark copies it introdues so the asm printer can also annotate those. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88911 91177308-0d34-0410-b5e6-96231b3b80d8
* Check if subreg index is zero.Evan Cheng2009-11-161-0/+155
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88899 91177308-0d34-0410-b5e6-96231b3b80d8
* For some targets, a copy can use a register multiple times, e.g. ppc.Evan Cheng2009-11-161-0/+105
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88895 91177308-0d34-0410-b5e6-96231b3b80d8
* xfail for now. It has been failing.Evan Cheng2009-11-161-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88892 91177308-0d34-0410-b5e6-96231b3b80d8
* - Fix a small bug while handling target constant pools (one param was missing).Bruno Cardoso Lopes2009-11-161-0/+10
| | | | | | | | | | | | | | | | | - Add a smarter constant pool loading, instead of: lui $2, %hi($CPI1_0) addiu $2, $2, %lo($CPI1_0) lwc1 $f0, 0($2) Generate: lui $2, %hi($CPI1_0) lwc1 $f0, %lo($CPI1_0)($2) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88886 91177308-0d34-0410-b5e6-96231b3b80d8
* Detect need for autoalignment of the stack earlier to catch spills moreJim Grosbach2009-11-152-4/+6
| | | | | | | conservatively. eliminateFrameIndex() machinery adjust to handle addr mode 6 (vld1/vst1) used for spills. Fix tests to expect aligned Q-reg spilling git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88874 91177308-0d34-0410-b5e6-96231b3b80d8
* remove xfailJim Grosbach2009-11-141-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88817 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore support for arbitrary-sized aggregate returns.Richard Osborne2009-11-141-0/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88802 91177308-0d34-0410-b5e6-96231b3b80d8
* Added getSubRegIndex(A,B) that returns subreg index of A to B. Use it to ↵Evan Cheng2009-11-141-0/+133
| | | | | | replace broken code in VirtRegRewriter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88753 91177308-0d34-0410-b5e6-96231b3b80d8
* - Change TargetInstrInfo::reMaterialize to pass in TargetRegisterInfo.Evan Cheng2009-11-141-1/+2
| | | | | | | | | - If destination is a physical register and it has a subreg index, use the sub-register instead. This fixes PR5423. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88745 91177308-0d34-0410-b5e6-96231b3b80d8
* Add radar number.Evan Cheng2009-11-141-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88739 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5412: Fix an inverted check and another missing sub-register check.Evan Cheng2009-11-142-0/+235
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88738 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable the tail call optimization when the caller returns undef.Dan Gohman2009-11-141-1/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88737 91177308-0d34-0410-b5e6-96231b3b80d8
* When expanding t2STRDi8 r, r to two stores, add kill markers correctly.Evan Cheng2009-11-141-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88734 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5411. Bug in UpdateKills. A reg def partially define its super-registers.Evan Cheng2009-11-131-0/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88719 91177308-0d34-0410-b5e6-96231b3b80d8
* When optimizing for size, don't tail-merge unless it's likely to be aDan Gohman2009-11-131-0/+113
| | | | | | | | | | | code-size win, and not when it's only likely to be code-size neutral, such as when only a single instruction would be eliminated and a new branch would be required. This fixes rdar://7392894. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88692 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5410: LiveVariables lost subreg def:Evan Cheng2009-11-131-0/+20
| | | | | | | | | | | | | | | D0<def,dead> = ... ... = S0<use, kill> S0<def> = ... ... D0<def> = The first D0 def is correctly marked dead, however, livevariables should have added an implicit def of S0 or we end up with a use without a def. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88690 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't let a noalias difference disrupt the tailcall optimization.Dan Gohman2009-11-131-1/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88672 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjust isConstantSplat to allow for big-endian targets.Dale Johannesen2009-11-131-0/+24
| | | | | | | | PPC is such a target; make it work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87060 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test.Daniel Dunbar2009-11-131-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87049 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up testcase a bit. Simplify case blocks and adjust switch instruction ↵Jim Grosbach2009-11-121-7/+3
| | | | | | to not take an undefined value as input. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86997 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo in run line.Benjamin Kramer2009-11-121-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86984 91177308-0d34-0410-b5e6-96231b3b80d8
* RegScavenger::enterBasicBlock should always reset register state.Evan Cheng2009-11-121-0/+85
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86972 91177308-0d34-0410-b5e6-96231b3b80d8
* - Teach LSR to avoid changing cmp iv stride if it will create an immediate thatEvan Cheng2009-11-121-0/+37
| | | | | | | | | | | | | | | cannot be folded into target cmp instruction. - Avoid a phase ordering issue where early cmp optimization would prevent the later count-to-zero optimization. - Add missing checks which could cause LSR to reuse stride that does not have users. - Fix a bug in count-to-zero optimization code which failed to find the pre-inc iv's phi node. - Remove, tighten, loosen some incorrect checks disable valid transformations. - Quite a bit of code clean up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86969 91177308-0d34-0410-b5e6-96231b3b80d8
* Tail merge at any size when there are two potentials blocks and oneDan Gohman2009-11-121-0/+27
| | | | | | | can be made to fall through into the other. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86909 91177308-0d34-0410-b5e6-96231b3b80d8
* x86 users can now return arbitrary sized structs. Structs too large to fit ↵Kenneth Uildriks2009-11-111-0/+17
| | | | | | in return registers will be returned through a hidden sret parameter introduced during SelectionDAG construction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86876 91177308-0d34-0410-b5e6-96231b3b80d8
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