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2008-11-19Use dyn_cast instead of cast.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59577 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-19Match an element of the return type if it returns a structure.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59576 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-19Remove unused variables.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59570 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-19Fix typo.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59569 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-19Fix debug printing of flagged SDNodes in SUnits so that theyDan Gohman
print in the correct order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59567 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Make the same change to RegScavenger::backward.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59566 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Verify that the second parameter of the stacprotector intrinsic is an allocaBill Wendling
instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59563 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18We also need to keep the operand index for two address check.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59562 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Register scavenger should process early clobber defs first. A dead early ↵Evan Cheng
clobber def should not interfere with a normal def which happens one slot later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59559 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Add new helper pass that strips all symbol names except debugging information.Devang Patel
This pass makes it easier to test wheter debugging info. influences optimization passes or not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59552 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Don't set neverHasSideEffects on x86's divide instructions, sinceDan Gohman
they trap on divide-by-zero, and this side effect is otherwise unmodeled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59551 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Tidy up ScheduleNodeBottomUp methods, and make them moreDan Gohman
consistent with ScheduleNodeTopDown methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59550 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Update a comment to reflect the current code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59549 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Remove integer promotion support for FP_EXTENDDuncan Sands
and FP_ROUND. Not sure what these were doing here - probably they were sometimes (wrongly) created with integer operands somewhere that has since been fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59548 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Remove even more llvm.dbg variables.Devang Patel
Remove all dead globals from llvm.metadata. Ignore linkonce linkage for selected llvm.dbg values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59547 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Simplify code using helper routines. There is notDuncan Sands
supposed to be any functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59545 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Fix a bug introduced by my previous patch. With this change, SPEC is now ↵Owen Anderson
clean with prealloc splitting enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59544 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Add more const qualifiers. This fixes build breakage from r59540.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59542 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Make some methods const.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59540 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Initialize MallocFunc and FreeFunc properly.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59538 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Whitespace cleanups.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59532 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18LegalizeTypes support for splitting and scalarizingDuncan Sands
SCALAR_TO_VECTOR. I didn't add the testcase, because once llc gets past scalar-to-vector it hits a SPU target lowering bug and explodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59530 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Add a utility function that detects whether a loop is guaranteed to be finite.Nick Lewycky
Use it to safely handle less-than-or-equals-to exit conditions in loops. These also occur when the loop exit branch is exit on true because SCEV inverses the icmp predicate. Use it again to handle non-zero strides, but only with an unsigned comparison in the exit condition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59528 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Rename stackprotector_create intrinsic to stackprotector.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59519 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Cast to remove warning about comparing signed and unsigned.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59518 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Implement support for JIT exceptions on X86_64. Relative offsets areNicolas Geoffray
encoded on 32 bytes, and the personality function is not encoded as relative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59516 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Remove unused variable.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59515 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Reapply r59464, this time using the correct typeDuncan Sands
when softening FNEG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59513 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Remove the stackprotector_check intrinsic. Use a volatile load instead.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59504 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18- Use "moveAfter" instead of "remove/insert" of a basic block.Bill Wendling
- Use less indentation in coding. - Shorten description. - Update comments. - Move code around git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59496 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Fix a typo in a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59489 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Change SUnit's dump method to take a ScheduleDAG* instead ofDan Gohman
a SelectionDAG*. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59488 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Revert r59464. It was causing this failure:Bill Wendling
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/dg.exp ... FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll Failed with signal(SIGABRT) at line 1 while running: llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll | llc -march=xcore > fneg.ll.tmp1.s Assertion failed: (VT.isFloatingPoint() && "Cannot create integer FP constant!"), function getConstantFP, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/SelectionDAG/SelectionDAG.cpp, line 913. 0 llc 0x0092115c _ZN4llvm3sys18RemoveFileOnSignalERKNS0_4PathEPSs + 844 1 libSystem.B.dylib 0x9217809b _sigtramp + 43 2 ??? 0xffffffff 0x0 + 4294967295 3 libSystem.B.dylib 0x921f0ec2 raise + 26 4 libSystem.B.dylib 0x9220047f abort + 73 5 libSystem.B.dylib 0x921f2063 __assert_rtn + 101 6 llc 0x005a5b0a _ZN4llvm12SelectionDAG13getConmake[1]: *** [check-local] Error 1 make: *** [check] Error 2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59487 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Give SIToFPInst preference over UIToFPInst because it is faster on platforms ↵Devang Patel
that are widely used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59476 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Avoid using a loop in ReleasePred and ReleaseSucc methods to compute theDan Gohman
new CycleBound value. Instead, just update CycleBound on each call. Also, make ReleasePred and ReleaseSucc methods more consistent accross the various schedulers. This also happens to make ScheduleDAGRRList's CycleBound computation somewhat more interesting, though it still doesn't have any noticeable effect, because no current targets that use the register-pressure reduction scheduler provide pipeline models. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59475 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17While handling floating point IVs lift restrictions on initial value and ↵Devang Patel
increment value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59471 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Handle floating point ivs during doInitialization().Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59466 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Eliminate some trivial differences between the ScheduleNodeTopDownDan Gohman
functions in these two schedulers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59465 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Add soft float support for a bunch more operations. OriginalDuncan Sands
patch by Richard Osborne, tweaked and extended by your humble servant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59464 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Don't bother doing latency calculations in the "fast" scheduler.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59461 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Use SUnit's CycleBound field instead of duplicating it inDan Gohman
a side-car datastructure git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59458 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Move some former testcases (low-probability codegenDale Johannesen
optimizations) into this wishlist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59455 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Let AnalyzeAlloca() remove debug intrinsics.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59454 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Don't produce ADDC/ADDE when expanding SHL unless they are legalRichard Osborne
for the target. This fixes PR3080. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59450 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Don't use the isPending flag to mean what the isAvailable flag means.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59445 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Fixed legalization of CONVERT_RNDSAT for integers.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59432 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16If SI->size() is 0, we are not allowed to dereference ->begin().Torok Edwin
This fixed PR3078. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59416 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Big PBQP allocator update. Adds coalescing support, stack slot coloring, ↵Lang Hames
several bug-fixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59414 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16eliminate some std::set's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59409 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16simplify loopChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59406 91177308-0d34-0410-b5e6-96231b3b80d8
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