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2010-07-12Reapply the "or" half of r108136, which seems to be less problematic.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108152 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108150 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Don't fast-isel an x87 comparison opcode, as fast-isel doesn'tDan Gohman
support branching on x87 comparisons yet. This fixes PR7624. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Revert r108141 again, sigh.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108144 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache results of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108143 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache results of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Reapply 108136 with an ugly pasto fixed.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108141 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Move optimization to avoid redundant matching.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108140 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Revert r108136 until I figure out why it broke selfhost.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108139 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache dereferenced iteratorsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12recommit r108131 (hich has been backed out in r108135) with a fixGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108137 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12instcombine: fold (x & y) | (~x & z) and (x & y) ^ (~x & z) into ((y ^ z) & ↵Benjamin Kramer
x) ^ z which is one instruction shorter. (PR6773) before: %and = and i32 %y, %x %neg = xor i32 %x, -1 %and4 = and i32 %z, %neg %xor = xor i32 %and4, %and after: %xor1 = xor i32 %z, %y %and2 = and i32 %xor1, %x %xor = xor i32 %and2, %z git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108136 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12back out r108131 (of TailDuplication.cpp) for now, it causes a buildbot failureGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache dereferenced iteratorsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108134 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache dereferenced iteratorsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108133 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache dereferenced iteratorsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108132 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12cache dereferenced iteratorsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108131 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Convert some tab stops into spaces.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108130 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Add parentheses around an || to correct the logic. Also silences a GCC warningChandler Carruth
that was actually useful here. Chris, please double check that this is the correct interpretation. I was pretty sure, and ran it by Nick as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Remove tab characters and 80-col.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108127 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-1280 columns.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108126 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Path::isRootDirectory is unimplemented on Unix and not used,Chris Lattner
remove it, fixing PR6909. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Convert getLoadStoreRegOpcode to use a switch.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108123 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Convert the last use of getPhysicalRegisterRegClass and remove it.Rafael Espindola
AggressiveAntiDepBreaker should not be using getPhysicalRegisterRegClass. An instruction might be using a register that can only be replaced with one from a subclass of getPhysicalRegisterRegClass. With this patch we use getMinimalPhysRegClass. This is correct, but conservative. We should check the uses of the register and select the largest register class that can be used in all of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Fix up the ocaml kaleidoscope example as well.Eric Christopher
Note that the example currently doesn't appear to work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12A basic block that only uses RFP registers still needs the FP_REG_KILL marker.Jakob Stoklund Olesen
This fixes PR7375. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108120 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Don't use getPhysicalRegisterRegClass in PBQP. The existing checks that theRafael Espindola
physical register can be allocated in the class of the virtual are sufficient. I think that the test for virtual registers is more strict than it needs to be, it should be possible to coalesce two virtual registers the class of one is a subclass of the other. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108118 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12fix PR7311 by avoiding breaking casts when a bitcast from scalar->vectorChris Lattner
is involved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12make the prototypes for CreateMalloc and CreateFree more consistent. PatchChris Lattner
by Hans Vandierendonck from PR7605 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Convert the last getPhysicalRegisterRegClass in VirtRegRewriter.cpp toRafael Espindola
getMinimalPhysRegClass. It was used to produce spills, and it is better to use the most specific class if possible. Update getLoadStoreRegOpcode to handle GR32_AD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108115 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12if jump threading is able to infer interesting values on bothChris Lattner
the LHS and RHS of an and/or instruction, don't multiply add known predecessor values. This fixes the crash on testcase from PR7498 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108114 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12fix PR7429, a crash turning a load from a string into a float.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12convert to filechecconvert to filecheckkChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12merge two tests.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108111 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12improve Path::makeUnique when mkstemp/mktemp are not availableChris Lattner
patch by Lasse Kärkkäinen in PR7404. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108110 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12change machinelicm to use MachineInstr::isSafeToMove. NoChris Lattner
intended functionality change. The avoidance of hoistiing implicitdef seems wrong though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108109 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11first part of JIT support for address of labels, part of PR7264,Chris Lattner
patch by Yuri! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108107 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11introduce WinCOFFObjectWriter, patch by Michael Spencer!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108103 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11introduce WinCOFFStreamer.cpp, patch by Michael Spencer!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108102 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11If it's safe to speculatively execute load(alloca) the it's safe to executeNick Lewycky
load(gep(alloca)) where the gep is all-zeros. There's more we could do here but this is a common case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108101 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108100 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11RISC architectures get their memory operand folding for free.Jakob Stoklund Olesen
The only folding these load/store architectures can do is converting COPY into a load or store, and the target independent part of foldMemoryOperand already knows how to do that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108099 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11Use target independent COPY instructions for the fake fextend and froundJakob Stoklund Olesen
operations in x87 code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108098 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11Remove redundant branch. Thanks, Anton!Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108097 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11Remove obsolete README_SSE note.Jakob Stoklund Olesen
We are generating movaps for all XMM register copies, including scalar floating point values. This is known to be at least as good as movss and movsd for all known architectures up to and including Nehalem because it avoids a partial register stall. The SSEDomainFix pass will switch movaps to movdqa when appropriate (i.e., when operands come from the integer unit). We don't now that switching movaps to movapd has any benefit. The same applies to andps -> pand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108096 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-11Remove TargetInstrInfo::copyRegToReg entirely.Jakob Stoklund Olesen
Targets must now implement TargetInstrInfo::copyPhysReg instead. There is no longer a default implementation forwarding to copyRegToReg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108095 91177308-0d34-0410-b5e6-96231b3b80d8