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2009-03-03Don't count DebugInfo instructions in another limitDale Johannesen
(lest they affect codegen). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65915 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-03When sinking an insn in InstCombine bring its debugDale Johannesen
info with it. Don't count debug info insns against the scan maximum in FindAvailableLoadedValue (lest they affect codegen). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65910 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-03Ignore debug info intrinsics.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02If branch conditions' one successor is dominating another non-latch ↵Devang Patel
successor then this loop's iteration space can not be restricted. In this example block bb5 is always executed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02Generalize BuildVectorSDNode::isConstantSplat to use APInts and handleBob Wilson
arbitrary vector sizes. Add an optional MinSplatBits parameter to specify a minimum for the splat element size. Update the PPC target to use the revised interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65899 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02Fix the calculation for how big the allocated stub needs to be.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02Remove all dbg symobls, including those with circular references.Devang Patel
This is ugly, but I can't figure out a quick way out of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02Fix main executable path name resolution on FreeBSD, patch by Chris Lattner
Ed Schouten! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65882 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02Fix PR3694: add an instcombine micro-optimization that helpsDuncan Sands
clean up when using variable length arrays in llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65832 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-02Reorganize llvmc code.Mikhail Glushenkov
Move the code from 'llvmc/driver' into a new CompilerDriver library, and change the build system accordingly. Makes it easier for projects using LLVM to build their own llvmc-based drivers. Tested with objdir != srcdir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65821 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Fix a problem with DAGCombine on 64b targets where foldingNate Begeman
extracts + build_vector into a shuffle would fail, because the type of the new build_vector would not be legal. Try harder to create a legal build_vector type. Note: this will be totally irrelevant once vector_shuffle no longer takes a build_vector for shuffle mask. New: _foo: xorps %xmm0, %xmm0 xorps %xmm1, %xmm1 subps %xmm1, %xmm1 mulps %xmm0, %xmm1 addps %xmm0, %xmm1 movaps %xmm1, 0 Old: _foo: xorps %xmm0, %xmm0 movss %xmm0, %xmm1 xorps %xmm2, %xmm2 unpcklps %xmm1, %xmm2 pshufd $80, %xmm1, %xmm1 unpcklps %xmm1, %xmm2 pslldq $16, %xmm2 pshufd $57, %xmm2, %xmm1 subps %xmm0, %xmm1 mulps %xmm0, %xmm1 addps %xmm0, %xmm1 movaps %xmm1, 0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65791 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Another sentinel optimization. This one should alwaysGabor Greif
be a win, since almost every interesting function has at least one Argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65778 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Reuse a technique (pioneered for BasicBlocks) of superposing ilist withGabor Greif
its sentinel. This is quite a win when a function really has a basic block. When the function is just a declaration (and stays so) the old way did not allocate a sentinel. So this change is most beneficial when the ratio of function definition to declaration is high. I.e. linkers etc. Incidentally these are the most resource demanding applications, so I expect that the reduced malloc traffic, locality and space savings outweigh the cost of addition of two pointers to Function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65776 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Temporarily revert r65755. It was causing failures in the self-hostingBill Wendling
testsuite: Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/dg.exp ... FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/nancvt.ll Failed with exit(1) at line 2 while running: grep 2147027116 nancvt.ll.tmp | count 3 count: expected 3 lines and got 0. child process exited abnormally FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/vec_ins_extract.ll Failed with exit(1) at line 1 while running: llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/vec_ins_extract.ll | opt -scalarrepl -instcombine | llc -march=x86 -mcpu=yonah | not /usr/bin/grep sub.*esp subl $28, %esp subl $28, %esp child process exited abnormally And more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65758 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01hoist the check for alloca size up so that it controls CanConvertToScalar Chris Lattner
as well as isSafeAllocaToScalarRepl. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65755 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Minor optimization:Evan Cheng
Look for situations like this: %reg1024<def> = MOV r1 %reg1025<def> = MOV r0 %reg1026<def> = ADD %reg1024, %reg1025 r0 = MOV %reg1026 Commute the ADD to hopefully eliminate an otherwise unavoidable copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65752 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01simplify handling "don't print top level name" processing, so that we getChris Lattner
stuff like %A = type { %A*} instead of an upref. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65748 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Combine PPC's GetConstantBuildVectorBits and isConstantSplat functions to a newBob Wilson
method in a BuildVectorSDNode "pseudo-class". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65747 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Fix a pretty awesome bug that only happened in a strange case with anonymousChris Lattner
types. This was reading the uint for the keyword after the token was advanced. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65743 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01walk type symbol table also, so we get:Chris Lattner
type opaque ; type %0 %C = type { %0, %0 } instead of: %C = type { opaque, opaque } when appropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65742 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-01Fix a long-standing bug and misfeature of the disassembler: when dealing with a Chris Lattner
stripped .bc file, it didn't make any attempt to try to reuse anonymous types. This causes an amazing type explosion due to types getting duplicated everywhere they are referenced and other problems. This also caused correctness issues, because opaque types are unique for each time they are uttered in the file. This means that stripping a .bc file could produce a .ll file that could not be assembled (e.g. 2009-02-28-StripOpaqueName.ll). This patch fixes both of these issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65738 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28move type name population out of TypePrinting class into a static Chris Lattner
AsmWriter.cpp method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65736 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28switch to densemap for pointer->word map.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65735 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28delete a bunch of duplicated type printing logic, using the type printingChris Lattner
stuff in AsmWriter.cpp for Type::getDescription(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65734 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28make this work when constructed with a null module*Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65733 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28expose TypePrinting as a public API.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65729 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28rename 'Result' to 'OS' in CalcTypeName for consistencyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65724 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28do not embed the raw_ostream into TypePrinting, pass it as an argument to ↵Chris Lattner
print etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65723 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28stop calling Type::getDescription().Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65722 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28simplificationsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65721 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28Change WriteTypeSymbolic to not put a space out before types, also, removeChris Lattner
the old std::ostream version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65720 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28make CalcTypeName take a stream instead of a string to concat onto,Chris Lattner
eliminate redundant opaque handling code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65716 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28remove a bunch of nearly-duplicated code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65715 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28fix indentation, remove dead integer case.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65714 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28pull calcTypeName into TypePrinting class, make its type stackChris Lattner
be a smallvector instead of vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65713 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28inline method into its only use and simplify the result.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65712 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28simplify conditionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65711 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28start refactoring the .ll printer: introduce a new TypePrinting classChris Lattner
and move all related stuff to it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65710 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28reject 0 element vectors with:Chris Lattner
@a = internal constant void bitcast(<0 x i8> <> to void) ^ Fixes PR3685 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65698 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28Last commit accidentially deleted this code.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65679 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28Added another darwin subtargetMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65662 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27It is possible that subprgoram definition is only encoding return value ↵Devang Patel
directly, instsad of an DIArray of all argument types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65643 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27Refactor TLS code and add some tests. The tests and expected results are:Rafael Espindola
pic | declaration | linkage | visibility | !pic | declaration | external | default | tls1.ll tls2.ll | local exec pic | declaration | external | default | tls1-pic.ll tls2-pic.ll | general dynamic !pic | !declaration | external | default | tls3.ll tls4.ll | initial exec pic | !declaration | external | default | tls3-pic.ll tls4-pic.ll | general dynamic !pic | declaration | external | hidden | tls7.ll tls8.ll | local exec pic | declaration | external | hidden | X | local dynamic !pic | !declaration | external | hidden | tls9.ll tls10.ll | local exec pic | !declaration | external | hidden | X | local dynamic !pic | declaration | internal | default | tls5.ll tls6.ll | local exec pic | declaration | internal | default | X | local dynamic The ones marked with an X have not been implemented since local dynamic is not implemented. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65632 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27Introduce a new technique for merging BasicBlock with Instruction sentinel ↵Gabor Greif
by superposition. This looks dangerous, but isn't because the sentinel is accessed in special way only, namely the Next and Prev fields of it, and these are guaranteed to exist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27Silence compiler warning about use of uninitialized variables (in reality theseNick Lewycky
are always set by reference on the path that uses them.) No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65621 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27Fix compiler warning about uninitialized variables. No functional change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65620 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27Alignment values for i64 and f64 on ppc64 were wrong,Dale Johannesen
possibly for the reason suggested by the comment. No wonder it didn't work very well. This unblocks bootstrap with assertions on ppc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65601 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-27MachineLICM CSE should match destination register classes; avoid hoisting ↵Evan Cheng
implicit_def's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65592 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-26Ignore dbg info intrinsics when folding conditional branch to Zhou Sheng
conditional branch predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65509 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-26Enable stack slot coloring DCE. Evan's spiller fixes were needed before ↵Owen Anderson
this could happen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65501 91177308-0d34-0410-b5e6-96231b3b80d8
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