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2009-02-18Factor out the code to add a MachineOperand to a MachineInstrBuilder.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64891 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-18Eliminate several more unnecessary intptr_t casts.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-18GV with null value initializer shouldn't go to BSS if it's meant for a ↵Evan Cheng
mergeable strings section. Currently it only checks for Darwin. Someone else please check if it should apply to other targets as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-18Fix a corner case in the new indvars promotion logic: if thereDan Gohman
are multiple IV's in a loop, some of them may under go signed or unsigned wrapping even if the IV that's used in the loop exit condition doesn't. Restrict sign-extension-elimination and zero-extension-elimination to only those that operate on the original loop-controlling IV. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-18Fix a typo in a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17If an alias is dead and so is its aliasee, then globaldce wouldDuncan Sands
crash because the alias would still be using the aliasee when the aliasee was deleted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64844 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17The debugger sometimes lookup dynamically in the runtime to find ivar info ↵Devang Patel
of any Objective-C classes. It would be very helpful to debugger if the compiler encodes runtime version number in DWARF. Add support for two additional DWARF attributes to encode Objective-C runtime version number. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Remove trailing whitespace to reduce later commit patch noise.Scott Michel
(Note: Eventually, commits like this will be handled via a pre-commit hook that does this automagically, as well as expand tabs to spaces and look for 80-col violations.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Emit debug info for bitfields.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64815 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17LoopIndexSplit doesn't actually use ScalarEvolution.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Add a method to ScalarEvolution for telling it when a loop has beenDan Gohman
modified in a way that may effect the trip count calculation. Change IndVars to use this method when it rewrites pointer or floating-point induction variables instead of using a doInitialization method to sneak these changes in before ScalarEvolution has a chance to see the loop. This eliminates the need for LoopPass to depend on ScalarEvolution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64810 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17commit a tweaked version of Daniel's patch for PR3599. We nowChris Lattner
eliminate all the extensions and all but the one required truncate from the testcase, but the or/and/shift stuff still isn't zapped. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64809 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Move dumpPassStructure out of line.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Delete trailing whitespace.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64784 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17This transform also applies to private linkage.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Fix 80-column violation.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64766 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17A couple of places where reused use operands should be marked kill. This is ↵Evan Cheng
exposed by recent availability fallthrough changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64745 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17add a horrible noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64719 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17--- Merging (from foreign repository) r64714 into '.':Bill Wendling
U include/llvm/CodeGen/DebugLoc.h U lib/CodeGen/SelectionDAG/LegalizeDAG.cpp U lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp U lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp Enable debug location generation at -Os. This goes with the reapplication of the r63639 patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64715 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Strengthen the "non-constant stride must dominate loop preheader" check.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64703 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Simplify; fix some 80-column violations.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64702 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Delete trailing whitespace.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64694 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Fix EnforceKnownAlignment so that it doesn't ever reduce the alignmentDan Gohman
of an alloca or global variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64693 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Fix typo caused by too much surfing, dudes...Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Delete this long-commented-out code. The situation it seems to haveDan Gohman
been written for is no longer relevant with the elimination of signed and unsigned types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64625 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Change these tests to use regular loads instead of llvm.x86.sse2.loadu.dq.Dan Gohman
Enhance instcombine to use the preferred field of GetOrEnforceKnownAlignment in more cases, so that regular IR operations are optimized in the same way that the intrinsics currently are. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Don't assume that a left-shift of a value with one bit set will haveDan Gohman
one bit set, because the bit may be shifted off the end. Instead, just check for a constant 1 being shifted. This is still sufficient to handle all the cases in test/CodeGen/X86/bt.ll. This fixes PR3583. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15MachineLICM now handles these cases.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64620 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Update the list of function annotations for nocapture. All of these came upNick Lewycky
when I was looking at functions used by python. Highlights include, better largefile support (64-bit file sizes on 32-bit systems), fputs string is nocapture, popen/pclose added (popen being noalias return), modf and frexp and friends. Also added some missing 'break' statements and combined identical sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64615 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15On 64bit we may have a personality function which requires 64 bits toNicolas Geoffray
be encoded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64600 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Make this more useful for cleaning up after theDuncan Sands
one-definition-rule llvm-gcc changes (coming soon to a tree near you!). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64588 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15If the target of an alias has internal linkage, then theDuncan Sands
alias can be morphed into the target. Implement this transform, and fix a crash in the existing transform at the same time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64583 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Fix PR3522. It's not safe to sink into landing pad BB's.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64582 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Fix pr3571: If stride is a value defined by an instruction, make sure it ↵Evan Cheng
dominates the loop preheader. When IV users are strength reduced, the stride is inserted into the preheader. It could create a use before def situation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64579 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15ifdef out unneeded if statement.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64575 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Fix warning on gcc 4.3.Mikhail Glushenkov
"system() declared with attribute warn_unused_result." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-15Whitespace fixes.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64573 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14Unbreak the build on win32.Cedric Venet
Cleanup some warning. Remark: when struct/class are declared differently than they are defined, this make problem for VC++ since it seems to mangle class differently that struct. These error are very hard to understand and find. So please, try to keep your definition/declaration in sync. Only tested with VS2008. hope it does not break anything. feel free to revert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64554 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14Generalize some alias analysis logic from atomicDuncan Sands
intrinsics to any IntrWriteArgMem intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64551 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14The x86-64 red zone is now being used.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64535 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14Extend the IndVarSimplify support for promoting induction variables:Dan Gohman
- Test for signed and unsigned wrapping conditions, instead of just testing for non-negative induction ranges. - Handle loops with GT comparisons, in addition to LT comparisons. - Support more cases of induction variables that don't start at 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64532 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14Clarify debug output.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64531 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14Simplify some code. hasComputableLoopEvolution is overkill in this case.Dan Gohman
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64530 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Teach x86 target -soft-float.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64496 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13In CodeGenPrepare's debug output, use WriteAsOperand instead ofDan Gohman
printing getName(), so that unnamed values are printed correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64468 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Complete the sentance in this comment. I have reservationsDan Gohman
about the code it describes, but at least now the comment is right. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64465 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13If a function only reads memory, then we know that...Duncan Sands
it only reads memory! The other change has no functional effect, it just seems more logical to go in order of decreasing knowledge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64463 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Mark strto* as readonly when the endptr is null.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64460 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13On strtod and friends, mark 'endptr' nocapture in the function prototype, andNick Lewycky
mark the first argument nocapture if endptr=NULL for each particular call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64453 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Reapply r64301. These uses of "inline" can cause strangeDuncan Sands
link-time failures when building with optimization. Just get rid of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64449 91177308-0d34-0410-b5e6-96231b3b80d8