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2008-09-22add_partially_linked_object: Replaced nonexistent MESSAGE option inOscar Fuentes
add_custom_command with COMMENT. It was forcing unconditional command execution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56425 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-22Initial support for the CMake build system.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56419 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-22Add helper function to get a 32-bit floating point constant. No ↵Bill Wendling
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56418 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-21explain what earlyclobber actually is.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56415 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-21Fold immediates into X86 shifts with fast isel. This generates:Chris Lattner
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
2008-09-21Factor out code into HandleVirtRegDef, for consistency withDan Gohman
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
2008-09-21Instead of building a list and sorting it just to find a maximum element,Dan Gohman
compute the maximum element directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56411 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-21Fetch the starting index of the block when assigning intervals. This gets ↵Owen Anderson
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
2008-09-21don't print GlobalAddressSDNode's with an offset of zero as "foo0".Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56399 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56391 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20Update VS projects.Cedric Venet
Change some class to struct for coherency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56389 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20Shorten and rearrange data fields to save a word of memory.Dale Johannesen
Per review feedback. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56388 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20Implement review feedback from Devang: make useDuncan Sands
of mayReadFromMemory and mayWriteToMemory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56387 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20Teach coalescer about earlyclobber bits.Dale Johannesen
Check bits for preferred register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56384 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20Fix PR2808. When regalloc runs out of register, it spill a physical register ↵Evan Cheng
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
2008-09-20Clean up the test.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56380 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-20No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56378 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-2080 column violation.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56377 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Fix a FastISel GlobalVariable CSE bug.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56376 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Continue after removing the current MI.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56372 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Refactor X86SelectConstAddr, folding it into X86SelectAddress. ThisDan Gohman
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
2008-09-19Make earlyclobber stuff work when virtual regsDale Johannesen
have previously been assigned conflicting physreg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56364 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Prevent warning about conversion from 64-bit to 32-bit by (yuck) casting...Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56359 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Now that ConstantSDNode doesn't hold an APInt,Dan Gohman
use ARG_FLAGSSDNode as the most aligned node type, as it contains an int64_t, which is 8-byte aligned on mingw. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56358 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Added static methods to APSInt: getMinValue and getMaxValue.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56355 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Re-materalized definition instructions may be dead. Whack them.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56352 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19backing out my last commit, it was not intended to go on the trunkGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19first shot at removing Use::ValGabor Greif
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
2008-09-19Turn on the AddReadAttrs pass.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56345 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Add test for improvement of readonly to readnone,Duncan Sands
and non-demotion of readnone to readonly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56344 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Turn on these tests!Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56343 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Remove the MarkModRef pass (use AddReadAttrs instead).Duncan Sands
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
2008-09-19Add a new pass AddReadAttrs which works out which functionsDuncan Sands
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
2008-09-19Test the callgraph directly for the missing edge.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56338 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Teach -callgraph to always print the callgraph (as theDuncan Sands
description says it does), not just when -analyze is used as well. This means printing to stderr, so adjust some tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56337 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19Remove AsmThatEarlyClobber etc. from LiveIntervalAnalysisDale Johannesen
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
2008-09-18splitLoop does not handle split condition EQ.Devang Patel
Fixes PR 2805 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56321 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Address-mode folding for X86FastISel. It's pretty basic, but itDan Gohman
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
2008-09-18Decrementing the iterator here could be wrong if the worklist is empty after ↵Bill Wendling
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
2008-09-18Try to place hoisted instructions befoe icmp instruction.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Somehow RegAllocLinearScan is keeping two pointers to MachineRegisterInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56314 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Simplify this code. The FastISel class has its own TD member.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56311 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Don't consider instructions with implicit physical registerDan Gohman
defs to be necessarily live. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56310 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Upgrade doxygen.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56308 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Add a new "fast" scheduler. This is currently basically just aDan Gohman
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
2008-09-18Preliminary support for systems which require changing JIT memory regions ↵Evan Cheng
privilege from read / write to read / executable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56303 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Duh. Default to ARMCC::AL (always).Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56301 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56300 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Cosmetic.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56299 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-17FastISel: For calls, prefer using the callee's address as a constantDan Gohman
over having it in a register. And wait until after checking type legality before requesting that the callee address be placed in a register. Also, fix support for calls with void return type. This speeds up fast-isel isel time by about 15% and reduces instruction counts by about 3% overall on certain testcases. It also changes many indirect calls to direct calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56292 91177308-0d34-0410-b5e6-96231b3b80d8
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