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* Upgrade tests.Tanya Lattner2008-03-1926-723/+610
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48536 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade tests to not use llvm-upgrade.Tanya Lattner2008-03-1923-273/+288
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48530 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade tests to not use llvm-upgrade.Tanya Lattner2008-03-1923-480/+421
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48529 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove llvm-upgrade and update tests.Tanya Lattner2008-03-1925-434/+333
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48527 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a coalescer bug caused by a typo.Evan Cheng2008-03-191-0/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48526 91177308-0d34-0410-b5e6-96231b3b80d8
* C and Objective Caml bindings for the various getParent methods of the IR.Gordon Henriksen2008-03-191-11/+34
| | | | | | Based on Erick Tryzelaar's patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48523 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix live variables issues:Evan Cheng2008-03-192-0/+14
| | | | | | | | | | | | 1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue. 2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register: = EAX, AX<imp-use,kill> ... AX = In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48521 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs ↵Evan Cheng2008-03-181-0/+11
| | | | | | function implicitly reads X86::AL, don't clobber it! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
* It might be nice to have this run as x86 on non-x86 platforms...Bill Wendling2008-03-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48511 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r48491. It's breaking test/CodeGen/X86/xorl.ll.Bill Wendling2008-03-182-1/+87
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48510 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR 2160 by making sure arguments to external functions get marked as ↵Daniel Berlin2008-03-181-0/+14
| | | | | | pointing to anything git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48509 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not pass -g flag when compiling tests, so remove the C.Flags. This only ↵Tanya Lattner2008-03-181-1/+1
| | | | | | happens if you have a debug build of llvm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48498 91177308-0d34-0410-b5e6-96231b3b80d8
* Make conversions of i8/i16 to ppcf128 work.Dale Johannesen2008-03-181-0/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48493 91177308-0d34-0410-b5e6-96231b3b80d8
* Target independent DAG transform to use truncate for field extraction + sign ↵Christopher Lamb2008-03-181-0/+39
| | | | | | extend on targets where this is profitable. Passes nightly on x86-64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48491 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite code that propagate isDead information after a dead copy is ↵Evan Cheng2008-03-181-0/+31
| | | | | | coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48490 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade tests to not use llvm-upgrade.Tanya Lattner2008-03-1823-377/+336
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48484 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade tests to not use llvm-upgrade.Tanya Lattner2008-03-1826-605/+564
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48483 91177308-0d34-0410-b5e6-96231b3b80d8
* ensure we continue matching x86-64 rotates.Chris Lattner2008-03-171-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48437 91177308-0d34-0410-b5e6-96231b3b80d8
* C and Objective Caml bindings for the TargetData class.Gordon Henriksen2008-03-162-3/+60
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48422 91177308-0d34-0410-b5e6-96231b3b80d8
* C and Objective Caml bindings for several scalar transforms.Gordon Henriksen2008-03-161-0/+50
| | | | | | Patch originally by Erick Tryzelaar, but has been modified somewhat. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48419 91177308-0d34-0410-b5e6-96231b3b80d8
* All of these tests had out of date syntax and were never even running throughNick Lewycky2008-03-167-28/+26
| | | | | | | | | | llvm-upgrade because nobody noticed them failing. Update to use new syntax and actually check for the right failure by looking at the error message. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48417 91177308-0d34-0410-b5e6-96231b3b80d8
* Functions are allowed to return structures. (Note that this test never failed.)Nick Lewycky2008-03-161-7/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48416 91177308-0d34-0410-b5e6-96231b3b80d8
* Regressions/ is long gone.Nick Lewycky2008-03-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48415 91177308-0d34-0410-b5e6-96231b3b80d8
* C and Objective Caml bindings for PassManagers.Gordon Henriksen2008-03-161-2/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48413 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2138. Apparently any modification to a std::multimap (including remove ↵Evan Cheng2008-03-141-0/+48
| | | | | | entries for a different key) can invalidate multimap iterators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48371 91177308-0d34-0410-b5e6-96231b3b80d8
* The inst combining of inttoptr into GEP with one index was using the bit size ofBill Wendling2008-03-141-0/+9
| | | | | | | | | the type instead of the byte size. This was causing troublesome mis-compilations. True to form, this took 2 days to find and is a one-line fix. :-P git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48354 91177308-0d34-0410-b5e6-96231b3b80d8
* More APInt-ification.Dan Gohman2008-03-131-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48344 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in GVN that Duncan noticed, where we potentially need to insert a Owen Anderson2008-03-131-0/+19
| | | | | | | pointer bitcast when performing return slot optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48343 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix error in testing for END. notation.Tanya Lattner2008-03-131-1/+1
| | | | | | | Patch by Julien Lerouge. Thanks! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48342 91177308-0d34-0410-b5e6-96231b3b80d8
* New test case.Evan Cheng2008-03-131-0/+68
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48338 91177308-0d34-0410-b5e6-96231b3b80d8
* A test case I forgot to check in.Evan Cheng2008-03-131-0/+94
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48335 91177308-0d34-0410-b5e6-96231b3b80d8
* TwoAddressInstructionPass enhancement. After it converts a two address ↵Evan Cheng2008-03-132-1/+30
| | | | | | instruction into a 3-address one, sink it past the instruction that kills the read-mod-write register if its definition is used past the kill. This reduces the number of live register by one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48333 91177308-0d34-0410-b5e6-96231b3b80d8
* Experimental scheduler change to schedule / coalesce the copies added for ↵Evan Cheng2008-03-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | function livein's. Take 2008-03-10-RegAllocInfLoop.ll, the schedule looks like this after these copies are inserted: entry: 0x12049d0, LLVM BB @0x1201fd0, ID#0: Live Ins: %EAX %EDX %ECX %reg1031<def> = MOVPC32r 0 %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def> %reg1028<def> = MOV32rr %EAX %reg1029<def> = MOV32rr %EDX %reg1030<def> = MOV32rr %ECX %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x1201910 + 0] %reg1025<def> = MOV32rr %reg1029 %reg1026<def> = MOV32rr %reg1030 %reg1024<def> = MOV32rr %reg1028 The copies unnecessarily increase register pressure and it will end up requiring a physical register to be spilled. With -schedule-livein-copies: entry: 0x12049d0, LLVM BB @0x1201fa0, ID#0: Live Ins: %EAX %EDX %ECX %reg1031<def> = MOVPC32r 0 %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def> %reg1024<def> = MOV32rr %EAX %reg1025<def> = MOV32rr %EDX %reg1026<def> = MOV32rr %ECX %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x12018e0 + 0] Much better! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48307 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix this test on hosts that don't have sse2.Dan Gohman2008-03-121-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48296 91177308-0d34-0410-b5e6-96231b3b80d8
* no need to keep around this output.Chris Lattner2008-03-121-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48285 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve the return slot optimization to be both more aggressive (not limited ↵Owen Anderson2008-03-121-2/+4
| | | | | | | | | | to sret parameters), and safer (when the passed pointer might be invalid). Thanks to Duncan and Chris for the idea behind this, and extra thanks to Duncan for helping me work out the trap-safety. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48280 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this test x86-specific for now; targets that don't useDan Gohman2008-03-121-1/+1
| | | | | | | | the automated CallingConv code to handle return values typically don't support multiple return values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48265 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix attribute handling.Devang Patel2008-03-121-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48262 91177308-0d34-0410-b5e6-96231b3b80d8
* Basic feature test for multiple return values in codegen.Dan Gohman2008-03-111-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48260 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR2137Anton Korobeynikov2008-03-111-0/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48258 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle multiple ret values.Devang Patel2008-03-111-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48254 91177308-0d34-0410-b5e6-96231b3b80d8
* Check to see if a two-entry PHI block can be simplifiedDan Gohman2008-03-111-0/+15
| | | | | | | | | before trying to merge the block into its predecessors. This allows two-entry-phi-return.ll to be simplified into a single basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48252 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this test more challenging to help it avoid beingDan Gohman2008-03-111-2/+8
| | | | | | | optimized away before it tests what it is intended to test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48251 91177308-0d34-0410-b5e6-96231b3b80d8
* Update testcase for recent aliases changeAnton Korobeynikov2008-03-111-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48250 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test to ensure that all-ones vectors are materialized with pcmpeqd.Dan Gohman2008-03-111-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48247 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the correct value for InSignBit.Dan Gohman2008-03-111-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48245 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement basic support for the 'f' register class constraint. This basicallyChris Lattner2008-03-111-0/+14
| | | | | | | works, but probably won't if you mix it with 't' or 'u' yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48243 91177308-0d34-0410-b5e6-96231b3b80d8
* The feature this is testing did not work in the general case,Dale Johannesen2008-03-111-17/+0
| | | | | | | | and has been removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48232 91177308-0d34-0410-b5e6-96231b3b80d8
* Learn how to xfail a test.Evan Cheng2008-03-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48219 91177308-0d34-0410-b5e6-96231b3b80d8
* When the register allocator runs out of registers, spill a physical register ↵Evan Cheng2008-03-111-0/+14
| | | | | | around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
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