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* Add support for stpncpy_chk.Eric Christopher2010-04-071-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100710 91177308-0d34-0410-b5e6-96231b3b80d8
* rename llvm::llvm_report_error -> llvm::report_fatal_errorChris Lattner2010-04-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100709 91177308-0d34-0410-b5e6-96231b3b80d8
* Code clean up.Evan Cheng2010-04-051-12/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100467 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply address space patch after fixing an issue in MemCopyOptimizer.Mon P Wang2010-04-042-25/+29
| | | | | | | | Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert all my SSAUpdater patches. The PHI placement algorithm is not correctBob Wilson2010-04-031-315/+183
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (what was I thinking?) and there's also a problem with LCSSA. I'll try again later with fixes. --- Reverse-merging r100263 into '.': U lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100177 into '.': G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100148 into '.': G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100147 into '.': U include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100131 into '.': G include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100130 into '.': G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100126 into '.': G include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100050 into '.': D test/Transforms/GVN/2010-03-31-RedundantPHIs.ll --- Reverse-merging r100047 into '.': G include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100264 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a DEBUG_TYPE for the SSAUpdater.Bob Wilson2010-04-031-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100263 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r100191 since it breaks objc in clang Mon P Wang2010-04-022-29/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100199 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply address space patch after fixing an issue in MemCopyOptimizer.Mon P Wang2010-04-022-25/+29
| | | | | | | | Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100191 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommit 100158 now that the buildbots are happy again.Bob Wilson2010-04-021-21/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100177 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 100158 in case it is causing some of the buildbot problems.Bob Wilson2010-04-021-29/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100164 91177308-0d34-0410-b5e6-96231b3b80d8
* Check for terminating conditions before adding PHIs to the worklists.Bob Wilson2010-04-021-21/+29
| | | | | | | This is more efficient than adding them to the worklist and then ignoring them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100158 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove trailing whitespace.Bob Wilson2010-04-011-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100148 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite another SSAUpdater function to avoid recursion.Bob Wilson2010-04-011-32/+46
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100147 91177308-0d34-0410-b5e6-96231b3b80d8
* Change another SSAUpdater function to avoid recursion.Bob Wilson2010-04-011-18/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100131 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the code to check for existing PHIs, now that it is only used inBob Wilson2010-04-011-30/+12
| | | | | | | one place. This removes the template function added in svn 94690. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100130 91177308-0d34-0410-b5e6-96231b3b80d8
* The SSAUpdater should avoid recursive traversals of the CFG, since that mayBob Wilson2010-04-011-15/+23
| | | | | | | blow out the stack for really big functions. Start by fixing an easy case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100126 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite part of the SSAUpdater to be more careful about inserting redundantBob Wilson2010-03-311-150/+263
| | | | | | | | | PHIs. The previous algorithm was unable to reliably detect when existing PHIs in a cycle can be reused. I'm still working on reducing a testcase. Radar 7711900. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100047 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.Bob Wilson2010-03-302-29/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99948 91177308-0d34-0410-b5e6-96231b3b80d8
* Added support for address spaces and added a isVolatile field to memcpy, ↵Mon P Wang2010-03-302-25/+29
| | | | | | | | | | memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) A update of langref will occur in a subsequent checkin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99928 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a grammaro.Dan Gohman2010-03-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99917 91177308-0d34-0410-b5e6-96231b3b80d8
* fix two cases where the arguments were extracted from the wrong range out of ↵Gabor Greif2010-03-301-3/+3
| | | | | | | | the InvokeInst spotted by baldrick -- thanks\! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99914 91177308-0d34-0410-b5e6-96231b3b80d8
* rename pred_const_iterator to const_pred_iterator for consistency's sakeGabor Greif2010-03-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99567 91177308-0d34-0410-b5e6-96231b3b80d8
* rename use_const_iterator to const_use_iterator for consistency's sakeGabor Greif2010-03-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99564 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert this, it's causing an issue with an internal project.Eric Christopher2010-03-241-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99451 91177308-0d34-0410-b5e6-96231b3b80d8
* Finally land the InvokeInst operand reordering.Gabor Greif2010-03-241-2/+2
| | | | | | | | | | | | | I have audited all getOperandNo calls now, fixing hidden assumptions. CallSite related uglyness will be eliminated successively. Note this patch has a long and griveous history, for all the back-and-forths have a look at CallSite.h's log. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99399 91177308-0d34-0410-b5e6-96231b3b80d8
* cache result of UI.getOperandNo() instead of calling it twice, it is cheaper ↵Gabor Greif2010-03-241-2/+3
| | | | | | this way git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99394 91177308-0d34-0410-b5e6-96231b3b80d8
* add some accessors to callsite/callinst/invokeinst to checkChris Lattner2010-03-231-1/+3
| | | | | | | | | for the noinline attribute, and make the inliner refuse to inline a call site when the call site is marked noinline even if the callee isn't. This fixes PR6682. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99341 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach simplify libcall to transform __strcpy_chk to __memcpy_chk to enable ↵Evan Cheng2010-03-231-1/+25
| | | | | | optimizations down stream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99282 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80 col violation.Evan Cheng2010-03-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99224 91177308-0d34-0410-b5e6-96231b3b80d8
* backing out r99170 because it still fails on clang-x86_64-darwin10-fntGabor Greif2010-03-221-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99171 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that hopefully all direct accesses to InvokeInst operands are fixedGabor Greif2010-03-221-2/+2
| | | | | | | | we can reapply the InvokeInst operand reordering patch. (see r98957). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99170 91177308-0d34-0410-b5e6-96231b3b80d8
* back out r98957, it broke ↵Gabor Greif2010-03-191-2/+2
| | | | | | http://smooshlab.apple.com:8010/builders/clang-x86_64-darwin10-fnt/builds/703 in the nightly test suite git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98958 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommit r80858 again (which has been backed out in r80871).Gabor Greif2010-03-191-2/+2
| | | | | | | | | | | | | This time I did a self-hosted bootstrap on Linux x86-64, with no problems. Let's see how darwin 64-bit self-hosting goes. At the first sign of failure I'll back this out. Maybe the valgrind bots give me a hint of what may be wrong (it at all). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98957 91177308-0d34-0410-b5e6-96231b3b80d8
* Skip debug info intrinsics.Devang Patel2010-03-151-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98581 91177308-0d34-0410-b5e6-96231b3b80d8
* Make returns more consistent with others.Bill Wendling2010-03-141-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98490 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a virtual destructor and give vtable a home.Benjamin Kramer2010-03-121-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98376 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor checked library call optimization into a common helper class and use itBenjamin Kramer2010-03-121-0/+81
| | | | | | | to unify the almost identical code in CodeGenPrepare and InstCombineCalls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98338 91177308-0d34-0410-b5e6-96231b3b80d8
* stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the ↵Benjamin Kramer2010-03-111-21/+3
| | | | | | __strcpy_chk -> strcpy code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98284 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower stpcpy_chk when possible.Eric Christopher2010-03-111-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98274 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Eric Christopher2010-03-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98260 91177308-0d34-0410-b5e6-96231b3b80d8
* Add strncpy libcall creator. Use it when it should be used.Eric Christopher2010-03-111-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98219 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a DominatorTree argument to isLCSSA so that it doesn't have toDan Gohman2010-03-102-8/+2
| | | | | | | | compute a set of reachable blocks for itself each time it is called, which is fairly frequently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Dan Gohman2010-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98122 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid using DIDescriptor.isNull(). Devang Patel2010-03-081-3/+3
| | | | | | | This is a first step towards eliminating checks in Descriptor constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97975 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r97947.Devang Patel2010-03-081-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97963 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid using DIDescriptor.isNull().Devang Patel2010-03-081-3/+3
| | | | | | | This is a first step towards eliminating unncessary constructor checks in light weight DIDescriptor wrappers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97947 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake build.Ted Kremenek2010-03-051-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97846 91177308-0d34-0410-b5e6-96231b3b80d8
* Move SimplifyLibCalls's LibCall builders to a separate file so theyEric Christopher2010-03-051-0/+324
| | | | | | | | | can be used in more places. Add an argument for the TargetData that most of them need. Update for the getInt8PtrTy() change. Should be no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97844 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some debug output to LoopSimplify.Dan Gohman2010-03-011-0/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97458 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LoopSimplify change conditional branches in loop exiting blocksDan Gohman2010-02-251-2/+16
| | | | | | | | | | | | | which branch on undef to branch on a boolean constant for the edge exiting the loop. This helps ScalarEvolution compute trip counts for loops. Teach ScalarEvolution to recognize single-value PHIs, when safe, and ForgetSymbolicName to forget such single-value PHI nodes as apprpriate in ForgetSymbolicName. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97126 91177308-0d34-0410-b5e6-96231b3b80d8
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