f6ee194b68
This diff causes the `tblgen`-erated print() function to skip printing a
`DefaultValuedAttr` attribute when the value is equal to the default.
This feature will reduce the amount of custom printing code that needs to be
written by users a relatively common scenario. As a motivating example, for the
fastmath flags in the LLVMIR dialect, we would prefer to print this:
```
%0 = llvm.fadd %arg0, %arg1 : f32
```
instead of this:
```
%0 = llvm.fadd %arg0, %arg1 {fastmathFlags = #llvm.fastmath<none>} : f32
```
This diff makes the handling of print functionality for default-valued attributes
standard.
This is an updated version of https://reviews.llvm.org/D135398, without the per-attribute bit to control printing.
Reviewed By: Mogball
Differential Revision: https://reviews.llvm.org/D135993
77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
# RUN: %PYTHON %s | FileCheck %s
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from mlir.ir import *
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from mlir.dialects import transform
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from mlir.dialects import pdl
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from mlir.dialects.transform import loop
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def run(f):
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with Context(), Location.unknown():
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module = Module.create()
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with InsertionPoint(module.body):
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print("\nTEST:", f.__name__)
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f()
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print(module)
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return f
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@run
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def getParentLoop():
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sequence = transform.SequenceOp(transform.FailurePropagationMode.PROPAGATE,
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[], pdl.OperationType.get())
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with InsertionPoint(sequence.body):
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loop.GetParentForOp(transform.OperationType.get("scf.for"), sequence.bodyTarget, num_loops=2)
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transform.YieldOp()
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# CHECK-LABEL: TEST: getParentLoop
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# CHECK: = transform.loop.get_parent_for %
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# CHECK: num_loops = 2
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@run
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def loopOutline():
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sequence = transform.SequenceOp(transform.FailurePropagationMode.PROPAGATE,
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[], transform.OperationType.get("scf.for"))
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with InsertionPoint(sequence.body):
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loop.LoopOutlineOp(pdl.OperationType.get(), sequence.bodyTarget, func_name="foo")
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transform.YieldOp()
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# CHECK-LABEL: TEST: loopOutline
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# CHECK: = transform.loop.outline %
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# CHECK: func_name = "foo"
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@run
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def loopPeel():
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sequence = transform.SequenceOp(transform.FailurePropagationMode.PROPAGATE,
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[], transform.OperationType.get("scf.for"))
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with InsertionPoint(sequence.body):
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loop.LoopPeelOp(pdl.OperationType.get(), sequence.bodyTarget)
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transform.YieldOp()
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# CHECK-LABEL: TEST: loopPeel
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# CHECK: = transform.loop.peel %
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@run
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def loopPipeline():
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sequence = transform.SequenceOp(transform.FailurePropagationMode.PROPAGATE,
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[], transform.OperationType.get("scf.for"))
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with InsertionPoint(sequence.body):
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loop.LoopPipelineOp(pdl.OperationType.get(), sequence.bodyTarget, iteration_interval=3)
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transform.YieldOp()
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# CHECK-LABEL: TEST: loopPipeline
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# CHECK: = transform.loop.pipeline %
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# CHECK-DAG: iteration_interval = 3
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# (read_latency has default value and is not printed)
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@run
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def loopUnroll():
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sequence = transform.SequenceOp(transform.FailurePropagationMode.PROPAGATE,
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[], transform.OperationType.get("scf.for"))
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with InsertionPoint(sequence.body):
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loop.LoopUnrollOp(sequence.bodyTarget, factor=42)
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transform.YieldOp()
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# CHECK-LABEL: TEST: loopUnroll
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# CHECK: transform.loop.unroll %
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# CHECK: factor = 42
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