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* Eliminate several more unnecessary intptr_t casts.Dan Gohman2009-02-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64888 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the argument type in this test to something less convoluted,Dan Gohman2009-02-18
| | | | | | | since it isn't actually used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64883 91177308-0d34-0410-b5e6-96231b3b80d8
* GV with null value initializer shouldn't go to BSS if it's meant for a ↵Evan Cheng2009-02-18
| | | | | | 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
* allow TimeRegion to take a potentially-null pointer to aChris Lattner2009-02-18
| | | | | | | timer for clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64874 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a corner case in the new indvars promotion logic: if thereDan Gohman2009-02-18
| | | | | | | | | | | 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
* Fix a typo in a comment.Dan Gohman2009-02-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64859 91177308-0d34-0410-b5e6-96231b3b80d8
* If an alias is dead and so is its aliasee, then globaldce wouldDuncan Sands2009-02-17
| | | | | | | | 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
* And now, not so elegant, test case...Devang Patel2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64838 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove changes that were accidently included in previous commit.Devang Patel2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64835 91177308-0d34-0410-b5e6-96231b3b80d8
* The debugger sometimes lookup dynamically in the runtime to find ivar info ↵Devang Patel2009-02-17
| | | | | | | | | 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
* Remove trailing whitespace to reduce later commit patch noise.Scott Michel2009-02-17
| | | | | | | | | (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
* Emit debug info for bitfields.Devang Patel2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64815 91177308-0d34-0410-b5e6-96231b3b80d8
* tools like nm and ar only need register_claim_file and add_symbols. Don't abortRafael Espindola2009-02-17
| | | | | | | | if other hooks are missing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64812 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopIndexSplit doesn't actually use ScalarEvolution.Dan Gohman2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64811 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a method to ScalarEvolution for telling it when a loop has beenDan Gohman2009-02-17
| | | | | | | | | | | | 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
* commit a tweaked version of Daniel's patch for PR3599. We nowChris Lattner2009-02-17
| | | | | | | | 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
* Move dumpPassStructure out of line.Dan Gohman2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64796 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy whitespace.Dan Gohman2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64791 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete trailing whitespace.Dan Gohman2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64784 91177308-0d34-0410-b5e6-96231b3b80d8
* This transform also applies to private linkage.Duncan Sands2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64773 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80-column violation.Dan Gohman2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64766 91177308-0d34-0410-b5e6-96231b3b80d8
* A couple of places where reused use operands should be marked kill. This is ↵Evan Cheng2009-02-17
| | | | | | exposed by recent availability fallthrough changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64745 91177308-0d34-0410-b5e6-96231b3b80d8
* add a horrible noteChris Lattner2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64719 91177308-0d34-0410-b5e6-96231b3b80d8
* --- Merging (from foreign repository) r64714 into '.':Bill Wendling2009-02-17
| | | | | | | | | | | | | 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
* Testcase for rev. 64704Devang Patel2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64705 91177308-0d34-0410-b5e6-96231b3b80d8
* Strengthen the "non-constant stride must dominate loop preheader" check.Evan Cheng2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64703 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify; fix some 80-column violations.Dan Gohman2009-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64702 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete trailing whitespace.Dan Gohman2009-02-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64694 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix EnforceKnownAlignment so that it doesn't ever reduce the alignmentDan Gohman2009-02-16
| | | | | | | of an alloca or global variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64693 91177308-0d34-0410-b5e6-96231b3b80d8
* Add llvm::RoundUpToAlignment.Daniel Dunbar2009-02-16
| | | | | | | - No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64691 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix bug where APSInt::operator-- incremented instead of decremented.Ted Kremenek2009-02-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64687 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case for llvm-gcc rev. 64648.Devang Patel2009-02-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64649 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo caused by too much surfing, dudes...Nick Lewycky2009-02-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64626 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete this long-commented-out code. The situation it seems to haveDan Gohman2009-02-16
| | | | | | | | 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
* Rename IndVarsSimplify to IndVarSimplify, to be consistent withDan Gohman2009-02-16
| | | | | | | the name used in the code that these tests are for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64624 91177308-0d34-0410-b5e6-96231b3b80d8
* Change these tests to use regular loads instead of llvm.x86.sse2.loadu.dq.Dan Gohman2009-02-16
| | | | | | | | | 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
* Don't assume that a left-shift of a value with one bit set will haveDan Gohman2009-02-15
| | | | | | | | | 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
* MachineLICM now handles these cases.Dan Gohman2009-02-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64620 91177308-0d34-0410-b5e6-96231b3b80d8
* Demonstrate the act of including multiple space-separated parameter attributes,Nick Lewycky2009-02-15
| | | | | | | by request on IRC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64619 91177308-0d34-0410-b5e6-96231b3b80d8
* Shoot! Remove this debugging line again!Nick Lewycky2009-02-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64617 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't discard definitions of common symbols. Not sure if this is the right fix.Nick Lewycky2009-02-15
| | | | | | | | | | | Before this change, the program: int var; int main(void) { return 0; } when run under 'nm -g' would show 'U var' with the gold plugin and 'B var' with gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64616 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the list of function annotations for nocapture. All of these came upNick Lewycky2009-02-15
| | | | | | | | | | | | 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
* On 64bit we may have a personality function which requires 64 bits toNicolas Geoffray2009-02-15
| | | | | | | | be encoded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64600 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this more useful for cleaning up after theDuncan Sands2009-02-15
| | | | | | | | 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
* 80-column violation.Mikhail Glushenkov2009-02-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64586 91177308-0d34-0410-b5e6-96231b3b80d8
* If the target of an alias has internal linkage, then theDuncan Sands2009-02-15
| | | | | | | | | 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
* Fix PR3522. It's not safe to sink into landing pad BB's.Evan Cheng2009-02-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64582 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix pr3571: If stride is a value defined by an instruction, make sure it ↵Evan Cheng2009-02-15
| | | | | | 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
* ifdef out unneeded if statement.Evan Cheng2009-02-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64575 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix warning on gcc 4.3.Mikhail Glushenkov2009-02-15
| | | | | | "system() declared with attribute warn_unused_result." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64574 91177308-0d34-0410-b5e6-96231b3b80d8
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