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* More soft fp fixes.Evan Cheng2008-04-011-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49016 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak ARM / Thumb soft FP support.Evan Cheng2008-04-011-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49012 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark functions in some tests as 'nounwind'. GeneratingDale Johannesen2008-03-3114-31/+31
| | | | | | | | | | EH info for these functions causes the tests to fail for random reasons (e.g. looking for 'or' or counting lines with asm-printer; labels count as lines.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49003 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not safe to fold a load from GV stub or constantpool into a two-address ↵Evan Cheng2008-03-311-0/+40
| | | | | | use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49002 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a DAGCombiner optimization to respect volatile qualification.Dan Gohman2008-03-311-0/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48994 91177308-0d34-0410-b5e6-96231b3b80d8
* add a testcase for forming memset from noncontiguous stores.Chris Lattner2008-03-292-1/+100
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48938 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a tokenfactor node to use the load chain rather than theDan Gohman2008-03-281-0/+35
| | | | | | | load value. This fixes PR2177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48932 91177308-0d34-0410-b5e6-96231b3b80d8
* add another testcaseDevang Patel2008-03-271-0/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48881 91177308-0d34-0410-b5e6-96231b3b80d8
* New test case.Devang Patel2008-03-271-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48858 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a memory bug: increment an iterator of a deleted machine instr.Evan Cheng2008-03-271-0/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48853 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose ExecutionEngine::getTargetData() to c and ocaml bindings.Erick Tryzelaar2008-03-271-1/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48851 91177308-0d34-0410-b5e6-96231b3b80d8
* One more coalescer fix wrt deadness propagation.Evan Cheng2008-03-261-0/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48837 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid commuting a def MI in order to coalesce a copy instruction away if any ↵Evan Cheng2008-03-261-0/+49
| | | | | | use of the same val# is a copy instruction that has already been coalesced. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48833 91177308-0d34-0410-b5e6-96231b3b80d8
* Use ## for comment delimiter on darwin x86-32, soDale Johannesen2008-03-251-0/+49
| | | | | | | | | | llvm's output .s files will go through gcc -std=c99 without triggering preprocesser errors. Approach suggested by Daveed Vandevoorde. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48808 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle a special case xor undef, undef -> 0. Technically this should be ↵Evan Cheng2008-03-251-0/+11
| | | | | | transformed to undef. But this is such a common idiom (misuse) we are going to handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48792 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle a special case xor undef, undef -> 0. Technically this should be ↵Evan Cheng2008-03-251-0/+6
| | | | | | transformed to undef. But this is such a common idiom (misuse) we are going to handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48791 91177308-0d34-0410-b5e6-96231b3b80d8
* Add CMP32mr and friends to the load-unfolding table. AmongDan Gohman2008-03-251-1/+1
| | | | | | | | | other things, this allows the scheduler to unfold a load operand in the 2008-01-08-SchedulerCrash.ll testcase, so it now successfully clones the comparison to avoid a pushf+popf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48777 91177308-0d34-0410-b5e6-96231b3b80d8
* Tests for the instruction iterator bindings.Gordon Henriksen2008-03-251-0/+35
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* Byebye llvm-upgrade!Tanya Lattner2008-03-25110-2138/+1823
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* lastRegisterUse() should ignore identity copies. Those will be erased.Evan Cheng2008-03-251-0/+30
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* check struct layoutDevang Patel2008-03-251-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48758 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the bit size of the operand instead of the hard-coded 32 to generate theBill Wendling2008-03-241-0/+25
| | | | | | | mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48750 91177308-0d34-0410-b5e6-96231b3b80d8
* - SSE4.1 extractfps extracts a f32 into a gr32 register. Very useful! Not. ↵Evan Cheng2008-03-241-0/+30
| | | | | | Fix the instruction specification and teaches lowering code to use it only when the only use is a store instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48746 91177308-0d34-0410-b5e6-96231b3b80d8
* Add incoming value from header only if phi node has any use inside the loop.Devang Patel2008-03-241-0/+69
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* Fix test name.Devang Patel2008-03-241-0/+0
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* apparently tclsh doesn't lex like bash. Weird.Chris Lattner2008-03-241-1/+1
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* pass the option so this test tests the right thing.Chris Lattner2008-03-241-2/+2
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* Add new test.Devang Patel2008-03-241-0/+87
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* Remove incorrect comment.Devang Patel2008-03-241-2/+0
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* APIntify SelectionDAG's EXTRACT_ELEMENT code.Dan Gohman2008-03-242-0/+30
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* Transform (zext (or (icmp), (icmp))) to (or (zext (cimp), (zext icmp))) if ↵Evan Cheng2008-03-241-0/+35
| | | | | | at least one of the (zext icmp) can be transformed to eliminate an icmp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48715 91177308-0d34-0410-b5e6-96231b3b80d8
* Objective Caml bindings for basic block, function, global, and arg iterators.Gordon Henriksen2008-03-231-2/+118
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* New testcase.Bill Wendling2008-03-221-0/+10
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* Use normal naming convention for test.Owen Anderson2008-03-221-0/+0
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* Add testcase for prev. commit. Minor fixesAnton Korobeynikov2008-03-221-0/+6
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* Support chained aliases for LLVM IR printing. This fixes PR2145Anton Korobeynikov2008-03-221-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48684 91177308-0d34-0410-b5e6-96231b3b80d8
* implement an initial hack at a straight-line store -> memset optimization.Chris Lattner2008-03-221-0/+55
| | | | | | | | | | This fires dozens of times across spec and multisource, but I don't know if it actually speeds stuff up. Hopefully the testers will show something nice :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48680 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach DAG combiner to commute commutable binary nodes in order to achieve ↵Evan Cheng2008-03-221-0/+27
| | | | | | sdisel CSE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48673 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle getresult instructions in different basic blocksDan Gohman2008-03-211-0/+15
| | | | | | | | from their aggregate operands by moving the getresult instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48657 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR2160.Duncan Sands2008-03-211-0/+12
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* Add support for calls that return two FP values inChris Lattner2008-03-211-0/+39
| | | | | | | ST(0)/ST(1). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48634 91177308-0d34-0410-b5e6-96231b3b80d8
* disable a bogus assertion.Chris Lattner2008-03-211-0/+10
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* Enable support for returning two long-double values in ST(0)/ST(1).Chris Lattner2008-03-211-0/+11
| | | | | | | | | | | | | | | | This allows us to compile fp-stack-2results.ll into: _test: fldz fld1 ret which returns 1 in ST(0) and 0 in ST(1). This is needed for x86-64 _Complex long double. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48632 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach masked value is zero about add and sub, and use MVIZ toChris Lattner2008-03-211-0/+7
| | | | | | | | | | simplify things like (X & 4) >> 1 == 2 --> (X & 4) == 4. since it is obvious that the shift doesn't remove any bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48631 91177308-0d34-0410-b5e6-96231b3b80d8
* Undo 48570. Correctly match mmx shift instructions with an immediate operand.Evan Cheng2008-03-211-2/+2
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* Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, ↵Evan Cheng2008-03-201-0/+14
| | | | | | result_size - n - m))) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48578 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep track of analysis information inherited from Module pass manager.Devang Patel2008-03-201-0/+58
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* Add more patterns to match in the integer comparison test harnesses.Scott Michel2008-03-203-7/+26
| | | | | | | | | Fix bugs encountered, mostly due to range matching for immediates; the CellSPU's 10-bit immediates are sign extended, covering a larger range of unsigned values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48575 91177308-0d34-0410-b5e6-96231b3b80d8
* Add intrinsics to match mmx shift builtin's with immediate operand.Evan Cheng2008-03-191-0/+20
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* Add support for multiple return values for the PPC target byDan Gohman2008-03-191-0/+17
| | | | | | | | converting call result lowering to use the CallingConvLowering infastructure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48552 91177308-0d34-0410-b5e6-96231b3b80d8
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