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Change-Id: I9bf53792f9fc30570e81a8d80d296c681d005ea7
(cherry picked from commit 0c7f116bb6950ef819323d855415b2f2b0aad987)
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Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
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Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
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Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
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Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
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Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193165 91177308-0d34-0410-b5e6-96231b3b80d8
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for assert(0 && "text").
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185396 91177308-0d34-0410-b5e6-96231b3b80d8
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Change assert("text") to assert(0 && "text"). The first case is a const char *
to bool conversion, which always evaluates to true, never triggering the
assert. The second case will always trigger the assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185227 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185096 91177308-0d34-0410-b5e6-96231b3b80d8
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algorithm when assigning EnumValues to the synthesized registers.
The current algorithm, LessRecord, uses the StringRef compare_numeric
function. This function compares strings, while handling embedded numbers.
For example, the R600 backend registers are sorted as follows:
T1
T1_W
T1_X
T1_XYZW
T1_Y
T1_Z
T2
T2_W
T2_X
T2_XYZW
T2_Y
T2_Z
In this example, the 'scaling factor' is dEnum/dN = 6 because T0, T1, T2
have an EnumValue offset of 6 from one another. However, in other parts
of the register bank, the scaling factors are different:
dEnum/dN = 5:
KC0_128_W
KC0_128_X
KC0_128_XYZW
KC0_128_Y
KC0_128_Z
KC0_129_W
KC0_129_X
KC0_129_XYZW
KC0_129_Y
KC0_129_Z
The diff lists do not work correctly because different kinds of registers have
different 'scaling factors'. This new algorithm, LessRecordRegister, tries to
enforce a scaling factor of 1. For example, the registers are now sorted as
follows:
T1
T2
T3
...
T0_W
T1_W
T2_W
...
T0_X
T1_X
T2_X
...
KC0_128_W
KC0_129_W
KC0_130_W
...
For the Mips and R600 I see a 19% and 6% reduction in size, respectively. I
did see a few small regressions, but the differences were on the order of a
few bytes (e.g., AArch64 was 16 bytes). I suspect there will be even
greater wins for targets with larger register files.
Patch reviewed by Jakob.
rdar://14006013
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185094 91177308-0d34-0410-b5e6-96231b3b80d8
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Don't require instructions to inherit Sched<...>. Sometimes it is more
convenient to say:
let SchedRW = ... in {
...
}
Which is now possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177199 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174388 91177308-0d34-0410-b5e6-96231b3b80d8
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This adds an !add(a, b) operator to tablegen; this will be used
to cleanup the PPC register definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173445 91177308-0d34-0410-b5e6-96231b3b80d8
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def foo : bar;
~~~
This allows us to produce more precise diagnostics about a certain
superclass, and even provide fixits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172085 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172084 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by Elior Malul!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171684 91177308-0d34-0410-b5e6-96231b3b80d8
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AKA: Recompile *ALL* the source code!
This one went much better. No manual edits here. I spot-checked for
silliness and grep-checked for really broken edits and everything seemed
good. It all still compiles. Yell if you see something that looks goofy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133 91177308-0d34-0410-b5e6-96231b3b80d8
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isa<> et al. automatically infer when the cast is an upcast (including a
self-cast), so these are no longer necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165767 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165645 91177308-0d34-0410-b5e6-96231b3b80d8
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Use isa<> or cast<> when semantically that is what is happening. Also
some trivial "style" cleanups at fix sites.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165292 91177308-0d34-0410-b5e6-96231b3b80d8
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This is a mechanical change of dynamic_cast<> to dyn_cast<>. A number of
these uses are actually more like isa<> or cast<>, and will be changed
to the semanticaly appropriate one in a future patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165291 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165290 91177308-0d34-0410-b5e6-96231b3b80d8
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ID number as a key in maps (for determinism), it is imperative that ID numbers be globally unique, even when we copy construct a Record.
This fixes some obscure failure cases involving registers defined inside multiclasses or foreach constructs that would not receive a unique ID, and would end up being omitted from the AsmMatcher tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164251 91177308-0d34-0410-b5e6-96231b3b80d8
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This is a generally useful utility; there's no reason to have it hidden
in CodeGenDAGPatterns.cpp.
Also, rename it to fit the other comparators in Record.h
Review by Jakob.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164189 91177308-0d34-0410-b5e6-96231b3b80d8
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operators that aren't implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164007 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163996 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163481 91177308-0d34-0410-b5e6-96231b3b80d8
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- This patch is inspired by the failure of the following code snippet
which is used to convert enumerable values into encoding bits to
improve the readability of td files.
class S<int s> {
bits<2> V = !if(!eq(s, 8), {0, 0},
!if(!eq(s, 16), {0, 1},
!if(!eq(s, 32), {1, 0},
!if(!eq(s, 64), {1, 1}, {?, ?}))));
}
Later, PR8330 is found to report not exactly the same bug relevant
issue to bit/bits values.
- Instead of resolving bit/bits values separately through
resolveBitReference(), this patch adds getBit() for all Inits and
resolves bit value by resolving plus getting the specified bit. This
unifies the resolving of bit with other values and removes redundant
logic for resolving bit only. In addition,
BitsInit::resolveReferences() is optimized to take advantage of this
origanization by resolving VarBitInit's variable reference first and
then getting bits from it.
- The type interference in '!if' operator is revised to support possible
combinations of int and bits/bit in MHS and RHS.
- As there may be illegal assignments from integer value to bit, says
assign 2 to a bit, but we only check this during instantiation in some
cases, e.g.
bit V = !if(!eq(x, 17), 0, 2);
Verbose diagnostic message is generated when invalid value is
resolveed to help locating the error.
- PR8330 is fixed as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163360 91177308-0d34-0410-b5e6-96231b3b80d8
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Keep track of the set/unset state of these bits along with their
true/false values, but treat '?' as '0' for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162461 91177308-0d34-0410-b5e6-96231b3b80d8
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When reporting an error for a defm, we would previously only report the
location of the outer defm, which is not always where the error is.
Now we also print the location of the expanded multiclass defs:
lib/Target/X86/X86InstrSSE.td:2902:12: error: foo
defm ADD : basic_sse12_fp_binop_s<0x58, "add", fadd, SSE_ALU_ITINS_S>,
^
lib/Target/X86/X86InstrSSE.td:2801:11: note: instantiated from multiclass
defm PD : sse12_fp_packed<opc, !strconcat(OpcodeStr, "pd"), OpNode, VR128,
^
lib/Target/X86/X86InstrSSE.td:194:5: note: instantiated from multiclass
def rm : PI<opc, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162409 91177308-0d34-0410-b5e6-96231b3b80d8
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Only fully expanded Records should go into RecordKeeper.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157431 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155013 91177308-0d34-0410-b5e6-96231b3b80d8
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Add some data structures to represent for loops. These will be
referenced during object processing to do any needed iteration and
instantiation.
Add foreach keyword support to the lexer.
Add a mode to indicate that we're parsing a foreach loop. This allows
the value parser to early-out when processing the foreach value list.
Add a routine to parse foreach iteration declarations. This is
separate from ParseDeclaration because the type of the named value
(the iterator) doesn't match the type of the initializer value (the
value list). It also needs to add two values to the foreach record:
the iterator and the value list.
Add parsing support for foreach.
Add the code to process foreach loops and create defs based
on iterator values.
Allow foreach loops to be matched at the top level.
When parsing an IDValue check if it is a foreach loop iterator for one
of the active loops. If so, return a VarInit for it.
Add Emacs keyword support for foreach.
Add VIM keyword support for foreach.
Add tests to check foreach operation.
Add TableGen documentation for foreach.
Support foreach with multiple objects.
Support non-braced foreach body with one object.
Do not require types for the foreach declaration. Assume the iterator
type from the iteration list element type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151164 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149849 91177308-0d34-0410-b5e6-96231b3b80d8
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The code type was always identical to a string anyway. Now it is simply
a synonym. The code literal syntax [{...}] is still valid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148092 91177308-0d34-0410-b5e6-96231b3b80d8
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This avoids a gazillion StringMap and dynamic_cast calls, making
TableGen run 3x faster.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148091 91177308-0d34-0410-b5e6-96231b3b80d8
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http://llvm.org/docs/CodingStandards.html#ll_virtual_anch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
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Add a Value named "NAME" to each Record. This will be set to the def or defm
name when instantiating multiclasses. This will replace the #NAME# processing
hack once paste functionality is in place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142518 91177308-0d34-0410-b5e6-96231b3b80d8
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Call the common Record initializer code from constructors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142509 91177308-0d34-0410-b5e6-96231b3b80d8
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Add a Record constructor that takes the Record name as an Init. This
is more work toward paste functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142508 91177308-0d34-0410-b5e6-96231b3b80d8
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Split up the initializer list for Record to avoid 80-col issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142507 91177308-0d34-0410-b5e6-96231b3b80d8
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Avoid a potential assert by asking for record names as strings explicitly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142503 91177308-0d34-0410-b5e6-96231b3b80d8
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Record names may not be fully resolved at this point so ask for the
record name as a string explicitly. This avoids a potential assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142502 91177308-0d34-0410-b5e6-96231b3b80d8
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Add an init function to be shared among Record constructors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142501 91177308-0d34-0410-b5e6-96231b3b80d8
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Allow template arg names to be Inits. This is further work to
implement paste as it allows template names to participate in paste
operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142500 91177308-0d34-0410-b5e6-96231b3b80d8
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Add a couple of utility functions to take a variable name and qualify
it with the namespace of the enclosing class and/or multiclass. This
is inpreparation for making template arg names first-class Inits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142498 91177308-0d34-0410-b5e6-96231b3b80d8
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Make the VarInit name an Init itself. We need this to implement paste
functionality so we can reference variables whose names are not yet
completely resolved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142497 91177308-0d34-0410-b5e6-96231b3b80d8
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Add accessors to get Record values by Init name. This lets us look up
Record values whose names are not yet fully resolved. More work
toward paste.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142496 91177308-0d34-0410-b5e6-96231b3b80d8
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Add a utility to get the name init and get the string representation
of the name. This will be used for paste functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142495 91177308-0d34-0410-b5e6-96231b3b80d8
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