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* Delete an unused function.Dan Gohman2008-09-231-10/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56495 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the code for initializing the global base reg out ofDan Gohman2008-09-233-29/+43
| | | | | | | | X86ISelDAGToDAG.cpp and into X86InstrInfo.cpp. This will allow it to be reused by FastISel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56494 91177308-0d34-0410-b5e6-96231b3b80d8
* Rationalize the names of passes that print information:Duncan Sands2008-09-233-6/+6
| | | | | | | | | | | | | | | | | | -callgraph => print-callgraph -callscc => print-callgraph-sccs -cfgscc => print-cfg-sccs -externalfnconstants => print-externalfnconstants -print => print-function -print-alias-sets (no change) -print-callgraph => dot-callgraph -print-cfg => dot-cfg -print-cfg-only => dot-cfg-only -print-dom-info (no change) -printm => print-module -printusedtypes => print-used-types git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56487 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indendation.Matthijs Kooijman2008-09-231-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56486 91177308-0d34-0410-b5e6-96231b3b80d8
* Add initial support for inserting last minute copies.Owen Anderson2008-09-231-28/+53
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56485 91177308-0d34-0410-b5e6-96231b3b80d8
* Support x86 specific inline asm modifier 'J'.Evan Cheng2008-09-221-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56483 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the alignment of loads from constant pool entries when theDan Gohman2008-09-222-1/+7
| | | | | | | | load address has an offset from the base of the constant pool entry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56479 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hasNote() to check note associated with a function.Devang Patel2008-09-228-22/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56477 91177308-0d34-0410-b5e6-96231b3b80d8
* Livestacks really does preserve everything.Evan Cheng2008-09-221-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56476 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of setPreservesAll, just mark them preseving machine loop info and ↵Evan Cheng2008-09-227-7/+14
| | | | | | machine dominators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56475 91177308-0d34-0410-b5e6-96231b3b80d8
* Significant improvements to the logic for merging live intervals. This code ↵Owen Anderson2008-09-221-15/+53
| | | | | | | | | | can't just use LI::MergeValueAsValue, as its behavior in the presence of overlapping ranges isn't what StrongPHIElimination wants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56472 91177308-0d34-0410-b5e6-96231b3b80d8
* Make log, log2, log10, exp, exp2 use Expand byDale Johannesen2008-09-228-71/+12
| | | | | | | | default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56471 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark several codegen passes as preserving all analysis.Evan Cheng2008-09-229-8/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56469 91177308-0d34-0410-b5e6-96231b3b80d8
* More refactoring. Yawn.Dale Johannesen2008-09-221-126/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56468 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor FP intrinisic setup. Per review feedback.Dale Johannesen2008-09-221-117/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56456 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake build system: support for parallel builds.Oscar Fuentes2008-09-222-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56453 91177308-0d34-0410-b5e6-96231b3b80d8
* Per review feedback: Only performEvan Cheng2008-09-221-39/+27
| | | | | | | | (srl x, (trunc (and y, c))) -> (srl x, (and (trunc y), c)) etc. when both "trunc" and "and" have single uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56452 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the calling convention used when tail call optimization is enabled ↵Arnold Schwaighofer2008-09-223-22/+2
| | | | | | from CC_X86_32_TailCall to CC_X86_32_FastCC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56436 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for the CMake build system.Oscar Fuentes2008-09-2225-0/+427
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56419 91177308-0d34-0410-b5e6-96231b3b80d8
* Add helper function to get a 32-bit floating point constant. No ↵Bill Wendling2008-09-221-189/+106
| | | | | | functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56418 91177308-0d34-0410-b5e6-96231b3b80d8
* Fold immediates into X86 shifts with fast isel. This generates:Chris Lattner2008-09-211-15/+24
| | | | | | | | | | | | | | | sarl $3, %ecx instead of: movl $3, %ecx sarl %cl, %edx This shrinks fast isel 176.gcc by about 2000 instructions (.3%) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56413 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out code into HandleVirtRegDef, for consistency withDan Gohman2008-09-211-13/+12
| | | | | | | | Handle{Virt,Phys}Reg{Def,Use}. Remove a redundant check for register zero, and redundant checks for isPhysicalRegister. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56412 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of building a list and sorting it just to find a maximum element,Dan Gohman2008-09-211-26/+9
| | | | | | | compute the maximum element directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56411 91177308-0d34-0410-b5e6-96231b3b80d8
* Fetch the starting index of the block when assigning intervals. This gets ↵Owen Anderson2008-09-211-2/+2
| | | | | | | | | live-in indices correct in the presence of things like EH labels. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56410 91177308-0d34-0410-b5e6-96231b3b80d8
* don't print GlobalAddressSDNode's with an offset of zero as "foo0".Chris Lattner2008-09-211-5/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56399 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2008-09-201-1/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56391 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement review feedback from Devang: make useDuncan Sands2008-09-201-26/+11
| | | | | | | of mayReadFromMemory and mayWriteToMemory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56387 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach coalescer about earlyclobber bits.Dale Johannesen2008-09-202-2/+17
| | | | | | | | Check bits for preferred register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56384 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2808. When regalloc runs out of register, it spill a physical register ↵Evan Cheng2008-09-201-1/+4
| | | | | | around the live interval being allocated. Do not continue to try to spill another register, just grab the physical register and move on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56381 91177308-0d34-0410-b5e6-96231b3b80d8
* No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it.Evan Cheng2008-09-201-3/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56378 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 column violation.Evan Cheng2008-09-201-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56377 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a FastISel GlobalVariable CSE bug.Dan Gohman2008-09-191-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56376 91177308-0d34-0410-b5e6-96231b3b80d8
* Continue after removing the current MI.Evan Cheng2008-09-191-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56372 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor X86SelectConstAddr, folding it into X86SelectAddress. ThisDan Gohman2008-09-192-101/+81
| | | | | | | | results in better code for globals. Also, unbreak the local CSE for GlobalValue stub loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56371 91177308-0d34-0410-b5e6-96231b3b80d8
* Make earlyclobber stuff work when virtual regsDale Johannesen2008-09-191-8/+26
| | | | | | | | have previously been assigned conflicting physreg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56364 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-materalized definition instructions may be dead. Whack them.Evan Cheng2008-09-192-7/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56352 91177308-0d34-0410-b5e6-96231b3b80d8
* backing out my last commit, it was not intended to go on the trunkGabor Greif2008-09-193-510/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56349 91177308-0d34-0410-b5e6-96231b3b80d8
* first shot at removing Use::ValGabor Greif2008-09-193-11/+510
| | | | | | untested, Use::swap() is definitely not done yet git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56348 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MarkModRef pass (use AddReadAttrs instead).Duncan Sands2008-09-191-69/+0
| | | | | | | | | Unfortunately this means removing one regression test of GlobalsModRef because I couldn't work out how to perform it without MarkModRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56342 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new pass AddReadAttrs which works out which functionsDuncan Sands2008-09-191-0/+135
| | | | | | | | | | can get the readnone/readonly attributes, and gives them it. The plan is to remove markmodref (which did the same thing by querying GlobalsModRef) and delete the analogous functionality from GlobalsModRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56341 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove AsmThatEarlyClobber etc. from LiveIntervalAnalysisDale Johannesen2008-09-193-73/+79
| | | | | | | | | and redo as linked list walk. Logic moved into RA. Per review feedback. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56326 91177308-0d34-0410-b5e6-96231b3b80d8
* splitLoop does not handle split condition EQ.Devang Patel2008-09-181-0/+6
| | | | | | | Fixes PR 2805 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56321 91177308-0d34-0410-b5e6-96231b3b80d8
* Address-mode folding for X86FastISel. It's pretty basic, but itDan Gohman2008-09-181-18/+95
| | | | | | | | | catches a fair number of common cases. Note that this currently causes Fast-ISel to leave behind lots of dead instructions. Those will be dealt with in subsequent commits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56320 91177308-0d34-0410-b5e6-96231b3b80d8
* Decrementing the iterator here could be wrong if the worklist is empty after ↵Bill Wendling2008-09-181-4/+5
| | | | | | | | | the "erase". Thanks to Ji Young Park for the patch! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56316 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to place hoisted instructions befoe icmp instruction.Devang Patel2008-09-181-2/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56315 91177308-0d34-0410-b5e6-96231b3b80d8
* Somehow RegAllocLinearScan is keeping two pointers to MachineRegisterInfo.Evan Cheng2008-09-181-8/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56314 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify this code. The FastISel class has its own TD member.Dan Gohman2008-09-181-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56311 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't consider instructions with implicit physical registerDan Gohman2008-09-181-1/+2
| | | | | | | defs to be necessarily live. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56310 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new "fast" scheduler. This is currently basically just aDan Gohman2008-09-181-0/+654
| | | | | | | | | | | | | | | | | copy of the BURRList scheduler, but with several parts ripped out, such as backtracking, online topological sort maintenance (needed by backtracking), the priority queue, and Sethi-Ullman number computation and maintenance (needed by the priority queue). As a result of all this, it generates somewhat lower quality code, but that's its tradeoff for running about 30% faster than list-burr in -fast mode in many cases. This is somewhat experimental. Moving forward, major pieces of this can be refactored with pieces in common with ScheduleDAGRRList.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56307 91177308-0d34-0410-b5e6-96231b3b80d8
* Preliminary support for systems which require changing JIT memory regions ↵Evan Cheng2008-09-185-1/+49
| | | | | | privilege from read / write to read / executable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56303 91177308-0d34-0410-b5e6-96231b3b80d8
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