blob: 122d085b0d781957b18c659ef7a961d2a7ecdd45 (
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
94
95
96
97
98
99
100
101
102
103
104
105
106
|
//===- ValueTypes.cpp - Tablegen extended ValueType implementation --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// The EVT type is used by tablegen as well as in LLVM. In order to handle
// extended types, the EVT type uses support functions that call into
// LLVM's type system code. These aren't accessible in tablegen, so this
// file provides simple replacements.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/ValueTypes.h"
#include <map>
#include <vector>
using namespace llvm;
namespace llvm {
class Type {
public:
virtual unsigned getSizeInBits() const = 0;
virtual ~Type() {}
};
}
class ExtendedIntegerType : public Type {
unsigned BitWidth;
public:
explicit ExtendedIntegerType(unsigned bits)
: BitWidth(bits) {}
unsigned getSizeInBits() const {
return getBitWidth();
}
unsigned getBitWidth() const {
return BitWidth;
}
};
class ExtendedVectorType : public Type {
EVT ElementType;
unsigned NumElements;
public:
ExtendedVectorType(EVT elty, unsigned num)
: ElementType(elty), NumElements(num) {}
unsigned getSizeInBits() const {
return getNumElements() * getElementType().getSizeInBits();
}
EVT getElementType() const {
return ElementType;
}
unsigned getNumElements() const {
return NumElements;
}
};
static std::map<unsigned, const Type *>
ExtendedIntegerTypeMap;
static std::map<std::pair<uintptr_t, uintptr_t>, const Type *>
ExtendedVectorTypeMap;
bool EVT::isExtendedFloatingPoint() const {
assert(isExtended() && "Type is not extended!");
// Extended floating-point types are not supported yet.
return false;
}
bool EVT::isExtendedInteger() const {
assert(isExtended() && "Type is not extended!");
return dynamic_cast<const ExtendedIntegerType *>(LLVMTy) != 0;
}
bool EVT::isExtendedVector() const {
assert(isExtended() && "Type is not extended!");
return dynamic_cast<const ExtendedVectorType *>(LLVMTy) != 0;
}
bool EVT::isExtended64BitVector() const {
assert(isExtended() && "Type is not extended!");
return isExtendedVector() && getSizeInBits() == 64;
}
bool EVT::isExtended128BitVector() const {
assert(isExtended() && "Type is not extended!");
return isExtendedVector() && getSizeInBits() == 128;
}
EVT EVT::getExtendedVectorElementType() const {
assert(isExtendedVector() && "Type is not an extended vector!");
return static_cast<const ExtendedVectorType *>(LLVMTy)->getElementType();
}
unsigned EVT::getExtendedVectorNumElements() const {
assert(isExtendedVector() && "Type is not an extended vector!");
return static_cast<const ExtendedVectorType *>(LLVMTy)->getNumElements();
}
unsigned EVT::getExtendedSizeInBits() const {
assert(isExtended() && "Type is not extended!");
return LLVMTy->getSizeInBits();
}
|