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2010-04-03strength reduce a ridiculous use of APInt.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03rename stuff improve comment grammar.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100273 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03simplify some code and resolve a fixme.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03There is no guarantee that the increment and the branchChris Lattner
are in the same block. Insert the new increment in the correct location. Also, more cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100271 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03first half of a pass through IndVarSimplify::HandleFloatingPointIV,Chris Lattner
this cleans up a bunch of code and also fixes several crashes and miscompiles. More to come unfortunately, this optimization is quite broken. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03don't internalize available_externally functions, they areChris Lattner
really just declarations. This is related to PR6524 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100269 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03Revert all my SSAUpdater patches. The PHI placement algorithm is not correctBob Wilson
(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
2010-04-03Add a DEBUG_TYPE for the SSAUpdater.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100263 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03Code refactoring.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100262 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Revert r100191 since it breaks objc in clang Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100199 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Reapply address space patch after fixing an issue in MemCopyOptimizer.Mon P Wang
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
2010-04-02Manually notify ScalarEvolution before making an operand replacement, sinceDan Gohman
it can't currently observe such changes automatically. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100186 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Recommit 100158 now that the buildbots are happy again.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100177 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Revert the recent alignment changes. They're broken for -Os because,Dan Gohman
in particular, they end up aligning strings at 16-byte boundaries, and there's no way for GlobalOpt to check OptForSize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Revert 100158 in case it is causing some of the buildbot problems.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100164 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Make globalopt refine global variable alignment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100160 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Check for terminating conditions before adding PHIs to the worklists.Bob Wilson
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
2010-04-01Remove trailing whitespace.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Rewrite another SSAUpdater function to avoid recursion.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Change another SSAUpdater function to avoid recursion.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100131 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Simplify the code to check for existing PHIs, now that it is only used inBob Wilson
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
2010-04-01The SSAUpdater should avoid recursive traversals of the CFG, since that mayBob Wilson
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
2010-04-01Introduce ImmutableCallSite, useful for contexts where no mutationGabor Greif
is necessary. Inherits from new templated baseclass CallSiteBase<> which is highly customizable. Base CallSite on it too, in a configuration that allows full mutation. Adapt some call sites in analyses to employ ImmutableCallSite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100100 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Clean up this file a little, no functionality change. This is a subset of myNick Lewycky
patch back in r94322. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100097 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Rewrite part of the SSAUpdater to be more careful about inserting redundantBob Wilson
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
2010-03-31Fix a nasty dangling-pointer heisenbug that couldDale Johannesen
generate wrong code pretty much anywhere AFAICT. A case that hits the bug reproducibly is impossible, but the situation was like this: Addr = ... Store -> Addr Addr2 = GEP , 0, 0 Store -> Addr2 Handling the first store, the code changed replaced Addr with a sunkaddr and deleted Addr, but not its table entry. Code in OptimizedBlock replaced Addr2 with a bitcast; if that happened to reuse the memory of Addr, the old table entry was erroneously found when handling the second store. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Added support for address spaces and added a isVolatile field to memcpy, ↵Mon P Wang
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
2010-03-30Fix a grammaro.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99917 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30fix two cases where the arguments were extracted from the wrong range out of ↵Gabor Greif
the InvokeInst spotted by baldrick -- thanks\! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99914 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27Remove another memory leak from ABCD by using Edges by value instead ofJeffrey Yasskin
pointer. There was also a SmallPtrSet whose settiness wasn't being used, so I changed it to a SmallVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99713 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27In ABCD, change the non-null Bound*s to Bound&s.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99711 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27Fix a memory leak in ABCD by giving ownership of Bound objects to theJeffrey Yasskin
MemoizedResultChart. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99710 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27When we promote a load of an argument make sure to take the alignmentEric Christopher
of the previous load - it's usually important. For example, we don't want to blindly turn an unaligned load into an aligned one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-26Ignore debug intrinsics in yet more places.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99580 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25rename pred_const_iterator to const_pred_iterator for consistency's sakeGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25rename use_const_iterator to const_use_iterator for consistency's sakeGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25fix PR6642, GVN forwarding from memset to load of the base of the memset.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99488 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Temporarily revert this, it's causing an issue with an internal project.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99451 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Move OptChkCall off LibCallOptimization into StrCpyOpt.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99418 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Finally land the InvokeInst operand reordering.Gabor Greif
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
2010-03-24tighten a type and remove trailing whitespace, no functional changesGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24increase const goodness and remove pointless getUser() callsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24cache result of UI.getOperandNo() instead of calling it twice, it is cheaper ↵Gabor Greif
this way git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99394 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23add some accessors to callsite/callinst/invokeinst to checkChris Lattner
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
2010-03-23Skip debugging intrinsics when sinking unused invariants.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99324 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23Teach simplify libcall to transform __strcpy_chk to __memcpy_chk to enable ↵Evan Cheng
optimizations down stream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99282 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23add assert in argpromotion, which cannot triggerGabor Greif
if Function::hasAddressTaken works as advertised also included some cosmetic cleanups git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99276 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23Fix an incorrect logic causing instcombine to miss some _chk -> non-chk ↵Evan Cheng
transformations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99263 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-22Fix 80 col violation.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99224 91177308-0d34-0410-b5e6-96231b3b80d8