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2010-04-28further clarify alignment of globals, fix instcombineChris Lattner
to not increase the alignment of globals with an assigned alignment and section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102476 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Fix a problem that lower invoke has with allocas (PR6694), and Chris Lattner
add a version of createLowerInvokePass that allows the client to specify whether it wants "expensive" or "cheap" lowering. Patch by Alex Mac! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102402 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26fix PR6940: sitofp(undef) folds to 0.0, not undef.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102358 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-25remove #if 1's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102296 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Generalize LSR's OptimizeMax to handle the new kinds of max expressionsDan Gohman
that indvars may use, now that indvars is recognizing le and ge loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102235 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23enable my inliner change: add newly devirtualized call sites toChris Lattner
the worklist, making them inline candidates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102213 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23switch InlineInfo.DevirtualizedCalls's list to be of WeakVH.Chris Lattner
This fixes a bug where calls inlined into an invoke would get changed into an invoke but the array would keep pointing to the (now dead) call. The improved inliner behavior is still disabled for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102196 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Fix LSR to tolerate cases where ScalarEvolution initiallyDan Gohman
misses an opportunity to fold add operands, but folds them after LSR has separated them out. This fixes rdar://7886751. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102157 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23disable my previous inliner patch, it appears to be busting self-host.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102153 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22The inliner was choosing to not consider call sitesChris Lattner
that appear in the SCC as a result of inlining as candidates for inlining. Change this so that it *does* consider call sites that change from being indirect to being direct as a result of inlining. This allows it to completely "devirtualize" the testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22refactor the interface to InlineFunction so that most of the in/outChris Lattner
arguments are handled with a new InlineFunctionInfo class. This makes it easier to extend InlineFunction to return more info in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102137 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22when inlining something like this:Chris Lattner
define void @f3(void (i8*)* %__f) ssp { entry: call void %__f(i8* undef) unreachable } define void @f4(i8* %this) ssp align 2 { entry: call void @f3(void (i8*)* @f2) ssp ret void } The inliner is turning the indirect call to %__f into a direct call to F2. Make the call graph more precise when this happens. The inliner doesn't revisit call sites introduced by inlining, so there isn't an easy way to test for this, but a more precise callgraph is a good thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102131 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22eliminate dead #include.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Fix a performance problem with the new SSAUpdater. This showed up in theBob Wilson
GCCAS time for MultiSource/Benchmarks/ASCI_Purple/SMG2000. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Rename ValueMapTy as ValueToValueMapTy to clearly indicate that this has no ↵Devang Patel
replationship with ADT/ValueMap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20There is no need to install ValueMapper.h header. Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20use abstract accessors to CallInstGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101899 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20remove a bunch of ad-hoc code to simplify instructions fromChris Lattner
loop unswitch, and use inst simplify instead. It is more powerful and less duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101874 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20move some select simplifications out out instcombine intoChris Lattner
inst simplify. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101873 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20RewriteLoopBodyWithConditionConstant can end up rewriting theChris Lattner
condition we're unswitching on. In this case, don't try to simplify the second copy of the loop which may be dead or not, but is probably a constant now. This fixes PR6879 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101870 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20make the inliner do less work for leaf functions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101846 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Fix rdar://7879828 - crash in CallGraph, a self host issue.Chris Lattner
Arg promotion was deleting call graph nodes that still had references from the 'indirect' CGN. Like the inliner, it should only delete the function if all references are gone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101845 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Remove the Expr member from IVUsers. Instead of remembering the expression,Dan Gohman
just ask ScalarEvolution for it on demand. This helps IVUsers be more robust in the case of expressions changing underneath it. This fixes PR6862. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101819 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Re-commit my previous SSAUpdater changes. The previous version naively triedBob Wilson
to determine where to place PHIs by iteratively comparing reaching definitions at each block. That was just plain wrong. This version now computes the dominator tree within the subset of the CFG where PHIs may need to be placed, and then places the PHIs in the iterated dominance frontier of each definition. The rest of the patch is mostly the same, with a few more performance improvements added in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16Revert 101465, it broke internal OpenGL testing.Eric Christopher
Probably the best way to know that all getOperand() calls have been handled is to replace that API instead of updating. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101579 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16introduce a new CallGraphSCC class, and pass it aroundChris Lattner
to CallGraphSCCPass's instead of passing around a std::vector<CallGraphNode*>. No functionality change, but now we have a much tidier interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101558 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16Refine the detection of seemingly infinitely recursive calls where theDan Gohman
callee is expected to be expanded to something else by codegen, so that normal infinitely recursive calls are still transformed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101468 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16reapply r101434Gabor Greif
with a fix for self-hosting rotate CallInst operands, i.e. move callee to the back of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16fix comment noticed by BobChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101437 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16back out r101423 and r101397, they break llvm-gcc self-host on darwin10Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16fix PR6832: we were using the alignment of a pointer when we Chris Lattner
wanted the alignment of the pointee. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101432 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16improve comments.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101429 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16pull all the ConvertToScalarInfo code together into oneChris Lattner
place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101427 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16more refactoring: suck some stuff out of SRoA into Chris Lattner
ConvertToScalarInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101425 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16shift intrinsic operandGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101423 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15introduce a new ConvertToScalarInfo struct to simplify Chris Lattner
CanConvertToScalar/MergeInType. Eliminate a pointless LLVMContext argument to MergeInType. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15tidy interface to isOnlyCopiedFromConstantGlobalChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101405 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15reapply r101364, which has been backed out in r101368Gabor Greif
with a fix rotate CallInst operands, i.e. move callee to the back of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Revert r100896 and around - this breaks the only mingw32 buildbot we have.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101387 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fix a bunch of namespace polution.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15back out r101364, as it trips the linux nightlybot on some clang C++ testsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15rotate CallInst operands, i.e. move callee to the backGabor Greif
of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14IPO needs ScalarOpts and InstCombine in its libsTobias Grosser
The commit "Adding IPSCCP and Internalize passes to the C-bindings" introduced new dependencies for IPO. Add these to the CMAKE build as otherwise the BUILD_SHARED_LIBS=1 build fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101313 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14- Code clean up to reduce indentation.Evan Cheng
- TryToOptimizeStoreOfMallocToGlobal should check if TargetData is available and bail out if it is not. The transformations being done requires TD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14performance: cache the dereferenced use_iteratorGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101253 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14performance: cache the dereferenced use_iteratorGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101250 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14I don't know how, but I managed to goof the revert. Remove function that shouldNick Lewycky
have been removed in r101231. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101232 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Revert r101213.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101231 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Remove tab.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101223 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14While DAE can't modify the function signature of an externally visible function,Nick Lewycky
it can check whether the visible direct callers are passing in parameters to dead arguments and replace those with undef. This reinstates r94322 with bugs fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101213 91177308-0d34-0410-b5e6-96231b3b80d8
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