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2008-05-12Xform bitconvert(build_pair(load a, load b)) to a single load if the load ↵Evan Cheng
locations are at the right offset from each other. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51008 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12New test for tail mergingDale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51007 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Be more aggressive about tail-merging small blocksDale Johannesen
if those blocks consist entirely of common instructions; merging will not add an extra branch in this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51006 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Constify isSourceDefinedByImplicitDef function. Otherwise, just formattingBill Wendling
changes that don't change functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51004 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Constify the machine instruction passed into theBill Wendling
"is{Trivially,Really}ReMaterializable" methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51001 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Initial X86 codegen support for VSETCC.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51000 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Further rework of tail merge algorithm. Not quiteDale Johannesen
semantically identical, but little difference in either results or execution speed; but it's much easier to read, at least IMO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50999 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Simplify some checksNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50998 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Fix a copy+paste bug; pseudo-instructions shouldn't haveDan Gohman
encoding information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50997 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Pointer comparisons should use icmp, not vicmpNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50996 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Go back to passing the analyses around as parameters.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50995 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Pointer comparisons should be handled by icmp, not vicmp :)Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Forgot this.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50993 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Hard code CmpInst back to i1 for now while I go track down what in the ↵Nate Begeman
bitcode reader/writer is assuming i1 This was breaking a bunch of tests git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50992 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Refactor isConsecutiveLoad from X86 to TargetLowering so DAG combiner can ↵Evan Cheng
make use of it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50991 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Revert the previous commit. Go ahead and hoist rematerializable instructions.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50990 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Add support for vicmp/vfcmp codegen, more legalize support coming.Nate Begeman
This is necessary to unbreak the build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50988 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12One real change - don't hoist something that's trivially rematerializable. It'sBill Wendling
possible for it to produce worse code than before. The rest of this patch is code cleanup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50987 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Fix build breakageNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50986 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Add two new instructions to the llvm IR, vicmp and vfcmp. see updated LangRefNate Begeman
for details. CodeGen support coming in a follow up patch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50985 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Make firstEightPowers const.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50975 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Update comments.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50974 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Filter option names to escape symbols not allowed as C++ identifiers.Mikhail Glushenkov
Makes it possible to use options with names like "Wa,". Also fixes the -Wall option handling as a side-effect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50973 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Make it possible to choose between different compilation graph definitions ↵Mikhail Glushenkov
at compile-time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50972 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Fix some error messages; Make LLVMC pass through the exit code of a failed tool.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50971 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Fix a compile error on compilers that still want a return valueDan Gohman
in a non-void function that calls abort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50969 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Fix a missing break in the ISD::FLT_ROUNDS_ handling. Patch by giuma!Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50967 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Testcase for PR2264.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50965 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Move the various analyses used by GVN into static variables so we don't have ↵Owen Anderson
to keep passing them around or refetching them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50963 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12prune #includes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50962 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12Add a new SparsePropagation analysis utility, which allows you to doChris Lattner
SCCP like sparse lattice analysis with relative ease. Just pick your lattice function and implement the transfer function and you're good. Just make sure you don't break monotonicity ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50961 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-11Make constructors target-specific. This fixes problems where the path wouldNick Lewycky
include backslashes on Windows. This should fix llvm-ld problems on win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50960 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-11Add noteAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50959 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-11Fix various DOUTs to not call the extremely expensive Value::getName() Chris Lattner
method. DOUT statements are disabled when assertions are off, but the side effects of getName() are still evaluated. Just call getNameSTart, which is close enough and doesn't cause heap traffic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50958 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Simplify code by using SwitchInst::findCaseValue instead of reimplementing it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50957 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Remove warnings when using -Wshorten-64-to-32.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50952 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Testcase for PR2303.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50951 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Fix linking of internal aliasesAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50950 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Prevent -W64-to-32-shortened warnings.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50947 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Prevent warnings from the -Wshorten-64-to-32 flag.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50946 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10remove commented-out code, it is subsumed by ↵Gabor Greif
DECLARE_TRANSPARENT_OPERAND_ACCESSORS git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50944 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10merge of use-diet branch to trunkGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50943 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Re-enable loop deletion by default.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50941 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10When transforming a vector_shuffle to a load, the base address must not be ↵Evan Cheng
an undef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50940 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Set to 2.4 and regenerate configure.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50935 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Add nounwind.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50931 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10For now, abort when an ISD::VAARG is encountered on x86-64, ratherDan Gohman
than silently generate invalid code. llvm-gcc does not currently use VAArgInst; it lowers va_arg in the front-end. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50930 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10Some clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50929 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10If movl top bits are undef, let it be selected to movlps, etc.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50928 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10If all sources of a PHI node are defined by an implicit_def, just emit an ↵Evan Cheng
implicit_def instead of a copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50927 91177308-0d34-0410-b5e6-96231b3b80d8
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