blob: b1ea770e3b63c1fdbbb9b7a94b8f6d00b6513af7 (
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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
//===----- CGCall.h - Encapsulate calling convention details ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef FLANG_CODEGEN_CGCALL_H
#define FLANG_CODEGEN_CGCALL_H
#include "ABIInfo.h"
#include "CGValue.h"
#include "flang/AST/Type.h"
#include "llvm/IR/Module.h"
namespace flang {
namespace CodeGen {
class CallArgList {
SmallVector<llvm::Value*, 16> Values;
SmallVector<llvm::Value*, 4> AdditionalValues;
RValueTy ReturnValue;
public:
void add(llvm::Value *Arg) {
Values.push_back(Arg);
}
llvm::Value *getLast() const {
return Values.back();
}
void setLast(llvm::Value *Arg) {
Values.back() = Arg;
}
void addAditional(llvm::Value *Arg) {
AdditionalValues.push_back(Arg);
}
void addReturnValueArg(RValueTy Value) {
ReturnValue = Value;
}
RValueTy getReturnValueArg() const {
return ReturnValue;
}
ArrayRef<llvm::Value*> createValues() {
for(auto I : AdditionalValues)
Values.push_back(I);
return Values;
}
int getOffset() const {
return Values.size();
}
};
class CGFunctionInfo {
public:
struct ArgInfo {
ABIArgInfo ABIInfo;
ArgInfo() : ABIInfo(ABIArgInfo::Reference) {}
};
struct RetInfo {
enum ValueKind {
ScalarValue,
ComplexValue
};
ABIRetInfo ABIInfo;
ArgInfo ReturnArgInfo;
QualType Type;
RetInfo() : ABIInfo(ABIRetInfo::Nothing) {}
};
private:
llvm::FunctionType *Type;
llvm::CallingConv::ID CC;
unsigned NumArgs;
ArgInfo *Args;
RetInfo ReturnInfo;
CGFunctionInfo() {}
public:
static CGFunctionInfo *Create(ASTContext &C,
llvm::CallingConv::ID CC,
llvm::FunctionType *Type,
ArrayRef<ArgInfo> Arguments,
RetInfo Returns);
llvm::FunctionType *getFunctionType() const {
return Type;
}
llvm::CallingConv::ID getCallingConv() const {
return CC;
}
ArrayRef<ArgInfo> getArguments() const {
return ArrayRef<ArgInfo>(Args, size_t(NumArgs));
}
RetInfo getReturnInfo() const {
return ReturnInfo;
}
};
class CGFunction {
const CGFunctionInfo *FuncInfo;
llvm::Function *Function;
public:
CGFunction() {}
CGFunction(const CGFunctionInfo *Info,
llvm::Function *Func)
: FuncInfo(Info), Function(Func) {}
const CGFunctionInfo *getInfo() const {
return FuncInfo;
}
llvm::Function *getFunction() const {
return Function;
}
};
}
} // end namespace flang
#endif
|
