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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121837 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121822 91177308-0d34-0410-b5e6-96231b3b80d8
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registers that alias Reg, including itself. This is almost the same as the
existing getAliasSet() method, except for the inclusion of Reg.
The name matches the reflexive TRI::regsOverlap(x, y) relation.
It is very common to do stuff to a register and all its aliases:
stuff(Reg)
for (const unsigned *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias)
stuff(*Alias);
That can now be written as the simpler:
for (const unsigned *Alias = TRI->getOverlaps(Reg); *Alias; ++Alias)
stuff(*Alias);
This change requires a bit more constant space for the alias lists because Reg
is included and because the empty alias list cannot be shared any longer.
If the getAliasSet method is eventually removed, this space can be reclaimed by
sharing overlap lists. For instance, %rax and %eax have identical overlap sets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121800 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121798 91177308-0d34-0410-b5e6-96231b3b80d8
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instruction based on the t_addrmode_s# mode and what it returned. There is some
obvious badness to this. In particular, it's hard to do MC-encoding when the
instruction may change out from underneath you after the t_addrmode_s# variable
is finally resolved.
The solution is to revert a long-ago change that merged the reg/reg and reg/imm
versions. There is the addition of several new addressing modes. They no longer
have extraneous operands associated with them. I.e., if it's reg/reg we don't
have to have a dummy zero immediate tacked on to the SDNode.
There are some obvious cleanups here, which will happen shortly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121747 91177308-0d34-0410-b5e6-96231b3b80d8
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much later, which makes the entire
process cleaner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121735 91177308-0d34-0410-b5e6-96231b3b80d8
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Use the same COPY_TO_REGCLASS approach as for the 2-register *_sfp instructions.
This change made a big difference in the code generated for the
CodeGen/Thumb2/cross-rc-coalescing-2.ll test: The coalescer is still doing
a fine job, but some instructions that were previously moved outside the loop
are not moved now. It's using fewer VFP registers now, which is generally
a good thing, so I think the estimates for register pressure changed and that
affected the LICM behavior. Since that isn't obviously wrong, I've just
changed the test file. This completes the work for Radar 8711675.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121730 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121726 91177308-0d34-0410-b5e6-96231b3b80d8
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Provide correct fixups for Thumb2 ADR,
which is _of course_ different from ARM ADR fixups, or any other Thumb2 fixup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121721 91177308-0d34-0410-b5e6-96231b3b80d8
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branch with a null predicate, or
as a "long" direct branch. While the mnemonics are the same, they encode the branch offset differently, and
the Darwin assembler appears to prefer the "long" form for direct branches. Thus, in the name of bitwise
equivalence, provide encoding and fixup support for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121710 91177308-0d34-0410-b5e6-96231b3b80d8
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class A<bit a, bits<3> x, bits<3> y> {
bits<3> z;
let z = !if(a, x, y);
}
The variable z will get the value of x when 'a' is 1 and 'y' when a is '0'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121666 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121661 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121660 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121659 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121658 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121589 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121496 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121493 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121469 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121428 91177308-0d34-0410-b5e6-96231b3b80d8
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t_brtarget to be more specific.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121398 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121395 91177308-0d34-0410-b5e6-96231b3b80d8
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Remove the previous header. I don't think we need to expose to end users
that we use TableGen to produce our version of arm_neon.h, and that header
was also using doubleslash comments which could be a problem when using it
in strict C89 compilations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121390 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121385 91177308-0d34-0410-b5e6-96231b3b80d8
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error_code &ec. And fix clients.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
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particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0'
always. Going through the BL fixup encoding was trashing the "bit 0 is '0'"
invariant.
Attempt to get the encoding at slightly more correct with this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121336 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121308 91177308-0d34-0410-b5e6-96231b3b80d8
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so they can be implemented without separate clang builtins.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121299 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121287 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121286 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121276 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121273 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121250 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121226 91177308-0d34-0410-b5e6-96231b3b80d8
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so they can be implemented without clang builtins.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121213 91177308-0d34-0410-b5e6-96231b3b80d8
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so they can be implemented without clang builtins.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121209 91177308-0d34-0410-b5e6-96231b3b80d8
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so they can be used in the implementations of other intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121208 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121196 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121190 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121187 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121184 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121180 91177308-0d34-0410-b5e6-96231b3b80d8
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so they can be implemented without requiring clang builtins.
Radar 8446238.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121173 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121167 91177308-0d34-0410-b5e6-96231b3b80d8
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an assert, at least.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121166 91177308-0d34-0410-b5e6-96231b3b80d8
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BUILD_MODE/*Tests) under whole unittests/ if BUILD_MODE == '.'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121118 91177308-0d34-0410-b5e6-96231b3b80d8
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An OpReinterpret entry is handled by translating it to OpCast intrinsics for
all combinations of source and destination types with the same total size.
This will be used to generate all the vreinterpret intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121087 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121086 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121079 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121072 91177308-0d34-0410-b5e6-96231b3b80d8
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