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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132636 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132624 91177308-0d34-0410-b5e6-96231b3b80d8
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A TableGen backend can define how certain classes can be expanded into
ordered sets of defs, typically by evaluating a specific field in the
record. The SetTheory class can then evaluate DAG expressions that refer
to these named sets.
A number of standard set and list operations are predefined, and the
backend can add more specialized operators if needed. The -print-sets
backend is used by SetTheory.td to provide examples.
This is intended to simplify how register classes are defined:
def GR32_NOSP : RegisterClass<"X86", [i32], 32, (sub GR32, ESP)>;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132621 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132537 91177308-0d34-0410-b5e6-96231b3b80d8
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Some register classes are only used for instruction operand constraints.
They should never be used for virtual registers. Previously, those
register classes were given an empty allocation order, but now you can
say 'let isAllocatable=0' in the register class definition.
TableGen calculates if a register is part of any allocatable register
class, and makes that information available in TargetRegisterDesc::inAllocatableClass.
The goal here is to eliminate use cases for overriding allocation_order_*
methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132508 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132395 91177308-0d34-0410-b5e6-96231b3b80d8
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must be encoded decremented by one. Only add encoding tests for ssat16
because ssat can't be parsed yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132324 91177308-0d34-0410-b5e6-96231b3b80d8
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directives.
Fixes PR9826.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132317 91177308-0d34-0410-b5e6-96231b3b80d8
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same dwarf number. This will be used for creating a dwarf number to register
mapping.
The only case that needs this so far is the XMM/YMM registers that unfortunately
do have the same numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132314 91177308-0d34-0410-b5e6-96231b3b80d8
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switch. With this newfound organization, teach tblgen how not to give
all intrinsics the 'nounwind' attribute. Introduce a new intrinsic,
llvm.eh.resume, which does not have this attribute. Documentation and uses
to follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132252 91177308-0d34-0410-b5e6-96231b3b80d8
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There was no way to check if a given register/mode pair was valid. We now return
an error code (-2) instead of asserting. If anyone thinks that an assert
at this point is really needed, we can autogen a hasValidDwarfRegNum instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132236 91177308-0d34-0410-b5e6-96231b3b80d8
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-Emit an empty warning option as string ("") instead of 0.
-For diagnostic names also emit the size of the string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132046 91177308-0d34-0410-b5e6-96231b3b80d8
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operands to an instruction aren't great, so an iterative search is fairly quick
and doesn't have the overhead of std::map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131886 91177308-0d34-0410-b5e6-96231b3b80d8
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the root if there is only one such node. This leaves only 2 verifier failures in
the entire test suite when running "make check".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131677 91177308-0d34-0410-b5e6-96231b3b80d8
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splits each half. Therefore, the real problem was that we were using a VREV64 for a 4xi16, when we should have been using a VREV32.
Updated test case and reverted change to the PerfectShuffle Table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131529 91177308-0d34-0410-b5e6-96231b3b80d8
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backwards (should be 0x3210 versus 0x1032) which exposed a bug when doing a shuffle on a 4xi16. I've attached a test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131488 91177308-0d34-0410-b5e6-96231b3b80d8
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Ambiguous sub-register index compositions are OK as long as the backend writer
knows what he is doing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131134 91177308-0d34-0410-b5e6-96231b3b80d8
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lane) for size 32
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131085 91177308-0d34-0410-b5e6-96231b3b80d8
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The RegisterInfo.td file should only specify the indexes that sources need to
refer to. The rest is inferred.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131058 91177308-0d34-0410-b5e6-96231b3b80d8
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error is detected is a good thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131005 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131004 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130914 91177308-0d34-0410-b5e6-96231b3b80d8
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not, I'll just add them here and be done with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130819 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130779 91177308-0d34-0410-b5e6-96231b3b80d8
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know how to handle. No significant functionality change at the moment, but it's necessary for some changes I'm planning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130547 91177308-0d34-0410-b5e6-96231b3b80d8
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under cmake).
Add libprofile_rt.a so that we can tell clang to link against it in --coverage
mode. Also turn it on by default in cmake builds.
Oscar, this touches a change you made for EXCLUDE_FROM_ALL support -- I think
I've done the right thing, but please let me know (or fix and commit) if not!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130470 91177308-0d34-0410-b5e6-96231b3b80d8
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specified operands with "bit" instead of "bits<1>".
Unfortunately, my only testcase for this is fragile, and the ARM AsmParser can't round trip the instruction in question.
<rdar://problem/9345702>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130410 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130092 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130068 91177308-0d34-0410-b5e6-96231b3b80d8
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should
print out ldr, not ldr.n.
rdar://problem/9267772
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130008 91177308-0d34-0410-b5e6-96231b3b80d8
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This is needed so the front-end can see "aligned" attributes on the type
for the pointer arguments. Radar 9311427.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129964 91177308-0d34-0410-b5e6-96231b3b80d8
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These values were not used for anything. Spill size and alignment is a property
of the register class, not the register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129906 91177308-0d34-0410-b5e6-96231b3b80d8
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On the x86-64 and thumb2 targets, some registers are more expensive to encode
than others in the same register class.
Add a CostPerUse field to the TableGen register description, and make it
available from TRI->getCostPerUse. This represents the cost of a REX prefix or a
32-bit instruction encoding required by choosing a high register.
Teach the greedy register allocator to prefer cheap registers for busy live
ranges (as indicated by spill weight).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129864 91177308-0d34-0410-b5e6-96231b3b80d8
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true on success and false on failure. Update callers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129722 91177308-0d34-0410-b5e6-96231b3b80d8
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symbolic disassembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129708 91177308-0d34-0410-b5e6-96231b3b80d8
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the generated FastISel. X86 doesn't need to generate code to match ADD16ri8
since ADD16ri will do just fine. This is a small codesize win in the generated
instruction selector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129692 91177308-0d34-0410-b5e6-96231b3b80d8
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immediates with
value constraints on them (when defined as ImmLeaf's). This is particularly important
for X86-64, where almost all reg/imm instructions take a i64immSExt32 immediate operand,
which has a value constraint. Before this patch we ended up iseling the examples into
such amazing code as:
movabsq $7, %rax
imulq %rax, %rdi
movq %rdi, %rax
ret
now we produce:
imulq $7, %rdi, %rax
ret
This dramatically shrinks the generated code at -O0 on x86-64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129691 91177308-0d34-0410-b5e6-96231b3b80d8
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little wrapper.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129680 91177308-0d34-0410-b5e6-96231b3b80d8
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since the strings are always exactly one character, and there are usually only 2-3 operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129678 91177308-0d34-0410-b5e6-96231b3b80d8
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matching code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129677 91177308-0d34-0410-b5e6-96231b3b80d8
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kind of predicate: one that is specific to imm nodes. The predicate function
specified here just checks an int64_t directly instead of messing around with
SDNode's. The virtue of this is that it means that fastisel and other things
can reason about these predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129675 91177308-0d34-0410-b5e6-96231b3b80d8
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structure and fix some fixmes. We now have a TreePredicateFn class
that handles all of the decoding of these things. This is an internal
cleanup that has no impact on the code generated by tblgen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129670 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129668 91177308-0d34-0410-b5e6-96231b3b80d8
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2. implement rdar://9289501 - fast isel should fold trivial multiplies to shifts
3. teach tblgen to handle shift immediates that are different sizes than the
shifted operands, eliminating some code from the X86 fast isel backend.
4. Have FastISel::SelectBinaryOp use (the poorly named) FastEmit_ri_ function
instead of FastEmit_ri to simplify code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129666 91177308-0d34-0410-b5e6-96231b3b80d8
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Monrocq
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129613 91177308-0d34-0410-b5e6-96231b3b80d8
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targets are getting very close to 32 subtarget features. Also teach tablegen to error when there are more than 64 features to guard against undefined behavior. rdar://9282332
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129590 91177308-0d34-0410-b5e6-96231b3b80d8
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Luis Felipe Strano Moraes!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
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the alias".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129485 91177308-0d34-0410-b5e6-96231b3b80d8
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rdar://problem/9267838
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129320 91177308-0d34-0410-b5e6-96231b3b80d8
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may be used instead of RecordSet.
The result of DeclNodes.inc was unstable on msys, Windows 7 x64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129317 91177308-0d34-0410-b5e6-96231b3b80d8
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