[TableGen] Silence a warning (NFC)
/llvm-project/llvm/utils/TableGen/Common/CodeGenTarget.cpp:286:12:
error: variable 'SkippedInsts' set but not used [-Werror,-Wunused-but-set-variable]
unsigned SkippedInsts = 0;
^
1 error generated.
[TTI] Use MemIntrinsicCostAttributes for getMaskedMemoryOpCost (#168029)
- Split from #165532. This is a step toward a unified interface for
masked/gather-scatter/strided/expand-compress cost modeling.
- Replace the ad-hoc parameter list with a single attributes object.
API change:
```
- InstructionCost getMaskedMemoryOpCost(Opcode, Src, Alignment,
- AddressSpace, CostKind);
+ InstructionCost getMaskedMemoryOpCost(MemIntrinsicCostAttributes,
+ CostKind);
```
Notes:
- NFCI intended: callers populate MemIntrinsicCostAttributes with the
same information as before.
- Follow-up: migrate gather/scatter, strided, and expand/compress cost
queries to the same attributes-based entry point.
TableGen: Support target specialized pseudoinstructions (#159880)
Allow a target to steal the definition of a generic pseudoinstruction
and remap the operands. This works by defining a new instruction, which
will simply swap out the emitted entry in the InstrInfo table.
This is intended to eliminate the C++ half of the implementation
of PointerLikeRegClass. With RegClassByHwMode, the remaining usecase
for PointerLikeRegClass are the common codegen pseudoinstructions.
Every target maintains its own copy of the generic pseudo operand
definitions anyway, so we can stub out the register operands with
an appropriate class instead of waiting for runtime resolution.
In the future we could probably take this a bit further. For example,
there is a similar problem for ADJCALLSTACKUP/DOWN since they depend
on target register definitions for the stack pointer register.
[OpenACC] add cl::values to ACCImplicitRoutineOptions (#168601)
Add the cl::values to the pass options so an assert is not reached when
trying to generate a reproducer e.g. "unknown data value for option"
[LTT] Mark as unkown weak function tests. (#167399)
We don't have enough information to infer the probability of a weak function pointer being nullptr or not (open question if we could propagate this from the linker)
Issue #147390
CodeGen: Remove PointerLikeRegClass handling from codegen
All uses have been migrated to RegClassByHwMode. This is now
an implementation detail of InstrInfoEmitter for pseudoinstructions.
CodeGen: Make target overrides of PointerLikeRegClass mandatory
Most targets should now use the convenience multiclass to fixup
the operand definitions of pointer-using pseudoinstructions:
defm : RemapAllTargetPseudoPointerOperands<target_ptr_regclass>;
TableGen: Support target specialized pseudoinstructions
Allow a target to steal the definition of a generic pseudoinstruction
and remap the operands. This works by defining a new instruction, which
will simply swap out the emitted entry in the InstrInfo table.
This is intended to eliminate the C++ half of the implementation
of PointerLikeRegClass. With RegClassByHwMode, the remaining usecase
for PointerLikeRegClass are the common codegen pseudoinstructions.
Every target maintains its own copy of the generic pseudo operand
definitions anyway, so we can stub out the register operands with
an appropriate class instead of waiting for runtime resolution.
In the future we could probably take this a bit further. For example,
there is a similar problem for ADJCALLSTACKUP/DOWN since they depend
on target register definitions for the stack pointer register.
[mlir][acc][flang] Introduce OpenACC interfaces for globals (#168614)
Introduce two new OpenACC operation interfaces for identifying global
variables and their address computations:
- `GlobalVariableOpInterface`: Identifies operations that define global
variables. Provides an `isConstant()` method to query whether the global
is constant.
- `AddressOfGlobalOpInterface`: Identifies operations that compute the
address of a global variable. Provides a `getSymbol()` method to
retrieve the symbol reference.
This is being done in preparation for `ACCImplicitDeclare` pass which
will automatically ensure that `acc declare` is applied to globals when
needed.
The following operations now implement these interfaces:
- `memref::GlobalOp` implements `GlobalVariableOpInterface`
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Introduce DwarfUnit::addBlock helper method (#168446)
This patch is just a small cleanup that unifies the various spots that
add a DWARF expression to the output.
[llvm][ARM] Allow MOVT and MOVW on the offset between two labels (#168072)
In this case, the value is a constant, not an addend to a relocation.
So the "Relocation Not In Range" error must not be triggered.
Regression from PR #112877
Fixes #132322
