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[fir][NFC] Add disclaimer to affine promotion/demotion passes 

AffinePromotion and AffineDemotion passes where upstreamed
in their current status from fir-dev. In order to make sure everybody
is on the same page, this patch add some comments to state that.

Reviewed By: schweitz

Differential Revision: https://reviews.llvm.org/D111629
This commit is contained in:
Valentin Clement 2021-10-13 17:46:39 +02:00
parent 2b55e14384
commit b2169992aa
No known key found for this signature in database
GPG Key ID: 086D54783C928776
2 changed files with 21 additions and 2 deletions
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10
flang/lib/Optimizer/Transforms/AffineDemotion.cpp
View File

@ -5,6 +5,16 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This transformation is a prototype that demote affine dialects operations
// after optimizations to FIR loops operations.
// It is used after the AffinePromotion pass.
// It is not part of the production pipeline and would need more work in order
// to be used in production.
// More information can be found in this presentation:
// https://slides.com/rajanwalia/deck
//
//===----------------------------------------------------------------------===//
#include "PassDetail.h"
#include "flang/Optimizer/Dialect/FIRDialect.h"

13
flang/lib/Optimizer/Transforms/AffinePromotion.cpp
View File

@ -5,6 +5,15 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This transformation is a prototype that promote FIR loops operations
// to affine dialect operations.
// It is not part of the production pipeline and would need more work in order
// to be used in production.
// More information can be found in this presentation:
// https://slides.com/rajanwalia/deck
//
//===----------------------------------------------------------------------===//
#include "PassDetail.h"
#include "flang/Optimizer/Dialect/FIRDialect.h"
@ -31,8 +40,8 @@ struct AffineLoopAnalysis;
struct AffineIfAnalysis;
/// Stores analysis objects for all loops and if operations inside a function
/// these analysis are used twice, first for marking operations for rewrite and
/// second when doing rewrite.
/// these analysis are used twice, first for marking operations for rewrite and
/// second when doing rewrite.
struct AffineFunctionAnalysis {
explicit AffineFunctionAnalysis(mlir::FuncOp funcOp) {
for (fir::DoLoopOp op : funcOp.getOps<fir::DoLoopOp>())