| Commit message (Collapse) | Author | Age |
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globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166909 91177308-0d34-0410-b5e6-96231b3b80d8
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split module can see each other. If it is keeping a symbol that already has
a non local linkage, it doesn't need to change it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166908 91177308-0d34-0410-b5e6-96231b3b80d8
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output of both
llvm-extract foo.ll -func=bar
and
llvm-extract foo.ll -func=bar -delete
so the two new files could not be linked together anymore. With this change
alias are handled almost like functions and global variables. Almost because
with alias we cannot just clear the initializer/body, we have to create a new
declaration and replace the alias with it.
The net result is that now the output of the above commands can be linked
even if foo.ll has aliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166907 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166903 91177308-0d34-0410-b5e6-96231b3b80d8
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All the credit goes to Jan Voung for noticing it was dead!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166902 91177308-0d34-0410-b5e6-96231b3b80d8
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Previously mips16 was sharing the pattern addr which is used for mips32
and mips64. This had a number of problems:
1) Storing and loading byte and halfword quantities for mips16 has particular
problems due to the primarily non mips16 nature of SP. When we must
load/store byte/halfword stack objects in a function, we must create a mips16
alias register for SP. This functionality is tested in stchar.ll.
2) We need to have an FP register under certain conditions (such as
dynamically sized alloca). We use mips16 register S0 for this purpose.
In this case, we also use this register when accessing frame objects so this
issue also affects the complex pattern addr16. This functionality is
tested in alloca16.ll.
The Mips16InstrInfo.td has been updated to use addr16 instead of addr.
The complex pattern C++ function for addr has been copied to addr16 and
updated to reflect the above issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166897 91177308-0d34-0410-b5e6-96231b3b80d8
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This fixes PR14194.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166880 91177308-0d34-0410-b5e6-96231b3b80d8
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I don't think this is possible with the current implementation but that may change eventually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166877 91177308-0d34-0410-b5e6-96231b3b80d8
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This turns loops like
for (unsigned i = 0; i != n; ++i)
p[i] = p[i+1];
into memmove, which has a highly optimized implementation in most libcs.
This was really easy with the new DependenceAnalysis :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166875 91177308-0d34-0410-b5e6-96231b3b80d8
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Requires a lot less code and complexity on loop-idiom's side and the more
precise analysis can catch more cases, like the one I included as a test case.
This also fixes the edge-case miscompilation from PR9481.
Compile time performance seems to be slightly worse, but this is mostly due
to an extra LCSSA run scheduled by the PassManager and should be fixed there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166874 91177308-0d34-0410-b5e6-96231b3b80d8
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noise and blocks finding more severe bugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166873 91177308-0d34-0410-b5e6-96231b3b80d8
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way it handles strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166872 91177308-0d34-0410-b5e6-96231b3b80d8
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offer up my email to the spam lords for it. Hopefully this will
eventually be more automatic, but we don't want people to think there is
only one option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166870 91177308-0d34-0410-b5e6-96231b3b80d8
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The monolithic interface for instruction costs has been split into
several functions. This is the corresponding change. No functionality
change is intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166865 91177308-0d34-0410-b5e6-96231b3b80d8
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return the type of the split result.
2. Change the maximum vectorization width from 4 to 8.
3. A test for both.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166864 91177308-0d34-0410-b5e6-96231b3b80d8
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sequence
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166854 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166852 91177308-0d34-0410-b5e6-96231b3b80d8
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arguments.
This is rather conservative and should be fixed later to be more aggressive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166851 91177308-0d34-0410-b5e6-96231b3b80d8
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previous iteration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166850 91177308-0d34-0410-b5e6-96231b3b80d8
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LowerFormalArguments in MipsTargetLowering.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166846 91177308-0d34-0410-b5e6-96231b3b80d8
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of vararg functions back to the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166844 91177308-0d34-0410-b5e6-96231b3b80d8
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This method emits nodes for passing byval arguments in registers and stack.
This has the same functionality as existing functions PassByValArg64 and
WriteByValArg which will be deleted later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166843 91177308-0d34-0410-b5e6-96231b3b80d8
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This method copies byval arguments passed in registers onto the stack and has
the same functionality as existing functions CopyMips64ByValRegs and
ReadByValArg which will be deleted later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166841 91177308-0d34-0410-b5e6-96231b3b80d8
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arguments and inquire about calling convention information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166840 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166837 91177308-0d34-0410-b5e6-96231b3b80d8
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Add getCostXXX calls for different families of opcodes, such as casts, arithmetic, cmp, etc.
Port the LoopVectorizer to the new API.
The LoopVectorizer now finds instructions which will remain uniform after vectorization. It uses this information when calculating the cost of these instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166836 91177308-0d34-0410-b5e6-96231b3b80d8
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Keep the integer_insertelement test case, the new coalescer can handle
this kind of lane insertion without help from pseudo-instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166835 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166834 91177308-0d34-0410-b5e6-96231b3b80d8
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No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166829 91177308-0d34-0410-b5e6-96231b3b80d8
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Don't pass it around everywhere as a function argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166828 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166827 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166822 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166821 91177308-0d34-0410-b5e6-96231b3b80d8
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Don't pass it everywhere as an argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166820 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166819 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166818 91177308-0d34-0410-b5e6-96231b3b80d8
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It is just as easy to use MRI::isReserved() now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166817 91177308-0d34-0410-b5e6-96231b3b80d8
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Some instructions in ARM require 2 even-odd paired GPRs. This
patch adds support for such register class.
Patch by Weiming Zhao!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166816 91177308-0d34-0410-b5e6-96231b3b80d8
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No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166814 91177308-0d34-0410-b5e6-96231b3b80d8
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The new coalescer can already do all of this, so there is no need to
duplicate the efforts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166813 91177308-0d34-0410-b5e6-96231b3b80d8
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It was unmaintained and not much more than a stub. The new DependenceAnalysis
pass is both more general and complete.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166810 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166804 91177308-0d34-0410-b5e6-96231b3b80d8
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APInt::shl generated llvm.trap to guard against shifts greater than bit-width.
This was already checked with an assert, and there was a special case for
shifts equal to bit-width. Modify this check to catch shifts greater than or
equal to bit-width, so llvm.trap isn't generated.
Patch contributed by JF Bastien
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166803 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166802 91177308-0d34-0410-b5e6-96231b3b80d8
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that only run if the target is present.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166796 91177308-0d34-0410-b5e6-96231b3b80d8
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list of externals. This makes sense since a shared library with no symbols
can still be useful if it has static constructors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166795 91177308-0d34-0410-b5e6-96231b3b80d8
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other passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166794 91177308-0d34-0410-b5e6-96231b3b80d8
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Part of rdar://12576868
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166792 91177308-0d34-0410-b5e6-96231b3b80d8
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Part of rdar://12576868
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166790 91177308-0d34-0410-b5e6-96231b3b80d8
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This is currently true, but may change when DA grows more aggressive caching.
Without this setting it's impossible to use DA from a LoopPass because DA is a
function pass and cannot be properly scheduled in between LoopPasses. The
LoopManager reacts to this with an infinite loop which made this really annoying
to debug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166788 91177308-0d34-0410-b5e6-96231b3b80d8
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