blob: 9b40baffac20de7ece31da63a4043ce483344835 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
//===- SSAValue.cpp - MLIR SSAValue Classes ------------===//
//
// Copyright 2019 The MLIR Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
#include "mlir/IR/SSAValue.h"
#include "mlir/IR/CFGFunction.h"
#include "mlir/IR/Instructions.h"
#include "mlir/IR/MLFunction.h"
#include "mlir/IR/Statements.h"
using namespace mlir;
/// If this value is the result of an OperationInst, return the instruction
/// that defines it.
OperationInst *SSAValue::getDefiningInst() {
if (auto *result = dyn_cast<InstResult>(this))
return result->getOwner();
return nullptr;
}
/// If this value is the result of an OperationStmt, return the statement
/// that defines it.
OperationStmt *SSAValue::getDefiningStmt() {
if (auto *result = dyn_cast<StmtResult>(this))
return result->getOwner();
return nullptr;
}
Operation *SSAValue::getDefiningOperation() {
if (auto *inst = getDefiningInst())
return inst;
if (auto *stmt = getDefiningStmt())
return stmt;
return nullptr;
}
/// Return the function that this SSAValue is defined in.
Function *SSAValue::getFunction() {
switch (getKind()) {
case SSAValueKind::BBArgument:
return cast<BBArgument>(this)->getFunction();
case SSAValueKind::InstResult:
return getDefiningInst()->getFunction();
case SSAValueKind::MLFuncArgument:
return cast<MLFuncArgument>(this)->getFunction();
case SSAValueKind::StmtResult:
return getDefiningStmt()->findFunction();
case SSAValueKind::ForStmt:
return cast<ForStmt>(this)->findFunction();
}
}
//===----------------------------------------------------------------------===//
// CFGValue implementation.
//===----------------------------------------------------------------------===//
/// Return the function that this CFGValue is defined in.
CFGFunction *CFGValue::getFunction() {
return cast<CFGFunction>(static_cast<SSAValue *>(this)->getFunction());
}
//===----------------------------------------------------------------------===//
// BBArgument implementation.
//===----------------------------------------------------------------------===//
/// Return the function that this argument is defined in.
CFGFunction *BBArgument::getFunction() {
if (auto *owner = getOwner())
return owner->getFunction();
return nullptr;
}
//===----------------------------------------------------------------------===//
// MLValue implementation.
//===----------------------------------------------------------------------===//
/// Return the function that this MLValue is defined in.
MLFunction *MLValue::getFunction() {
return cast<MLFunction>(static_cast<SSAValue *>(this)->getFunction());
}
|
