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2008-04-09- More aggressively coalescing away copies whose source is defined by an ↵Evan Cheng
implicit_def. - Added insert_subreg coalescing support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49448 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-09Generalize getUnaryFloatFunction to handle any FP unary function, automaticallyChris Lattner
figuring out the suffix to use. implement pow(2,x) -> exp2(x). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49437 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-09remove capital letter from test name.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49436 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-09Factor a bunch of functionality related to memcpy and memset transforms out of Owen Anderson
GVN and into its own pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49419 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-09Missed a hasInterval check.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49415 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-09many cleanups to the pow optimizer. Allow it to handle powf,Chris Lattner
add support for pow(x, 2.0) -> x*x. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49411 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-08Check that bodies and calls but not declarationsDuncan Sands
are marked nounwind when compiling without -fexceptions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49393 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-08Rename -disable-required-unwind-tables to -unwind-tables-optional.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49391 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-08merge r48768 from branches/ggreif/parallelized-testGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49382 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-08Missed one.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49365 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-08Add -disable-required-unwind-tables to testsDale Johannesen
that need it (usually, grepping for some string found in unwind info) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49364 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-07Testcase for pr2169.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49344 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-07Fix test.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49343 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-06fix this testcase to pass and remove a duplicate instance of itself.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49281 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-06Prefer to expand mask for xor to -1, so we have a chance to turn it into a not.Torok Edwin
If it cannot be expanded, it will keep the old behaviour and try to shrink the constant. Part of enhancement for PR2191. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49280 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-051. IMPLICIT_DEF can *re-define* any register.Evan Cheng
2. Coalescer can now create an interesting situation where a register def can reaches itself without being killed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49246 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-05Favors pshufd over shufps when shuffling elements from one vector. pshufd is ↵Evan Cheng
faster than shufps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49244 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-03New test case.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49190 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Testcase for EH with functions whose names are stripped.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49111 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Speculatively micro-optimize memory-zeroing calls on Darwin 10.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49048 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01More soft fp fixes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49016 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Unbreak ARM / Thumb soft FP support.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49012 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-31Mark functions in some tests as 'nounwind'. GeneratingDale Johannesen
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
2008-03-31It's not safe to fold a load from GV stub or constantpool into a two-address ↵Evan Cheng
use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49002 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-31Fix a DAGCombiner optimization to respect volatile qualification.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-29add a testcase for forming memset from noncontiguous stores.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48938 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-28Fix a tokenfactor node to use the load chain rather than theDan Gohman
load value. This fixes PR2177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48932 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27add another testcaseDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48881 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27New test case.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48858 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27Fix a memory bug: increment an iterator of a deleted machine instr.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48853 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27Expose ExecutionEngine::getTargetData() to c and ocaml bindings.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48851 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-26One more coalescer fix wrt deadness propagation.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48837 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-26Avoid commuting a def MI in order to coalesce a copy instruction away if any ↵Evan Cheng
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
2008-03-25Use ## for comment delimiter on darwin x86-32, soDale Johannesen
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
2008-03-25Handle a special case xor undef, undef -> 0. Technically this should be ↵Evan Cheng
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
2008-03-25Handle a special case xor undef, undef -> 0. Technically this should be ↵Evan Cheng
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
2008-03-25Add CMP32mr and friends to the load-unfolding table. AmongDan Gohman
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
2008-03-25Tests for the instruction iterator bindings.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48775 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25Byebye llvm-upgrade!Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48762 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25lastRegisterUse() should ignore identity copies. Those will be erased.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48759 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25check struct layoutDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48758 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Use the bit size of the operand instead of the hard-coded 32 to generate theBill Wendling
mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48750 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24- SSE4.1 extractfps extracts a f32 into a gr32 register. Very useful! Not. ↵Evan Cheng
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
2008-03-24Add incoming value from header only if phi node has any use inside the loop.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48738 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Fix test name.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48733 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24apparently tclsh doesn't lex like bash. Weird.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48732 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24pass the option so this test tests the right thing.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48731 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Add new test.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48730 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Remove incorrect comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48728 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24APIntify SelectionDAG's EXTRACT_ELEMENT code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48726 91177308-0d34-0410-b5e6-96231b3b80d8
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