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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include "llvmWrapper/IR/IRBuilder.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvmWrapper/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/ADT/Twine.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/ConstantFolder.h"
#include "llvm/IR/Function.h"
#include <llvm/Analysis/TargetFolder.h>
#include "llvm/IR/InstrTypes.h"
#include "common/LLVMWarningsPop.hpp"
#include "GenISAIntrinsics/GenIntrinsics.h"
#include "CommonMacros.h"
//This Builder class provides definitions for functions calls that were once available till LLVM version 3.6.0
//===--------------------------------------------------------------------===
// CreateCall Variations which are removed in 3.8 for API Simplification, which IGC still finds convenient to use
//===--------------------------------------------------------------------===
namespace llvm {
template<typename T = ConstantFolder, typename InserterTyDef() = IRBuilderDefaultInserter >
class IGCIRBuilder : public IGCLLVM::IRBuilder<T, InserterTyDef()>
{
public:
IGCIRBuilder(LLVMContext &C, const T &F, InserterTyDef() I = InserterTyDef()(),
MDNode *FPMathTag = nullptr,
ArrayRef<OperandBundleDef> OpBundles = None)
: IGCLLVM::IRBuilder<T, InserterTyDef()>(C, F, I, FPMathTag, OpBundles){}
explicit IGCIRBuilder(LLVMContext &C, MDNode *FPMathTag = nullptr,
ArrayRef<OperandBundleDef> OpBundles = None)
: IGCLLVM::IRBuilder<T, InserterTyDef()>(C, FPMathTag, OpBundles){}
explicit IGCIRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = nullptr)
: IGCLLVM::IRBuilder<T, InserterTyDef()>(TheBB, FPMathTag){}
explicit IGCIRBuilder(Instruction *IP, MDNode *FPMathTag = nullptr,
ArrayRef<OperandBundleDef> OpBundles = None)
: IGCLLVM::IRBuilder<T, InserterTyDef()>(IP, FPMathTag, OpBundles) {}
CallInst *CreateCall2(Value *Callee, Value *Arg1, Value *Arg2,
const Twine &Name = "") {
IGC_UNUSED(Name);
Value *Args[] = { Arg1, Arg2 };
return this->CreateCall(Callee, Args);
}
CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
const Twine &Name = "") {
IGC_UNUSED(Name);
Value *Args[] = { Arg1, Arg2, Arg3 };
return this->CreateCall(Callee, Args);
}
CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
Value *Arg4, const Twine &Name = "") {
IGC_UNUSED(Name);
Value *Args[] = { Arg1, Arg2, Arg3, Arg4 };
return this->CreateCall(Callee, Args);
}
CallInst *CreateCall5(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
Value *Arg4, Value *Arg5, const Twine &Name = "") {
IGC_UNUSED(Name);
Value *Args[] = { Arg1, Arg2, Arg3, Arg4, Arg5 };
return this->CreateCall(Callee, Args);
}
inline Value* CreateAnyValuesNotZero(Value** values, unsigned nvalues)
{
Value* f0 = ConstantFP::get(values[0]->getType(), 0.0);
Value* ne0 = this->CreateFCmpUNE(values[0], f0);
for (unsigned i = 1; i < nvalues; i++)
{
ne0 = this->CreateOr(ne0,
this->CreateFCmpUNE(values[i], f0));
}
return ne0;
}
inline Value* CreateAllValuesAreZeroF(Value** values, unsigned nvalues)
{
if (nvalues)
{
return CreateAllValuesAreConstantFP(values, nvalues,
ConstantFP::get(values[0]->getType(), 0.0));
}
return nullptr;
}
inline Value* CreateAllValuesAreOneF(Value** values, unsigned nvalues)
{
if (nvalues)
{
return CreateAllValuesAreConstantFP(values, nvalues,
ConstantFP::get(values[0]->getType(), 1.0));
}
return nullptr;
}
inline Value* CreateExtractElementOrPropagate(Value* vec, Value* idx, const Twine& name = "")
{
if(vec == nullptr || idx == nullptr) return nullptr;
Value* srcVec = vec;
// Traverse ir that created source vector, looking for
// insertelement with the index we are interested in
while(auto* IE = dyn_cast<InsertElementInst>(srcVec))
{
Value* srcVal = IE->getOperand(1);
Value* srcIdx = IE->getOperand(2);
auto* cSrcIdx = dyn_cast<ConstantInt>(srcIdx);
auto* cIdx = dyn_cast<ConstantInt>(idx);
if(srcIdx == idx ||
(cSrcIdx && cIdx &&
cSrcIdx->getZExtValue() == cIdx->getZExtValue()))
{
return srcVal;
}
else
{
// If index isn't constant we cannot iterate further, since
// we don't know which element was replaced in just visited
// insertelement.
if(!isa<ConstantInt>(idx))
{
break;
}
// This is not the instruction we are looking for.
// Get it's source and iterate further.
srcVec = IE->getOperand(0);
}
}
// We cannot find value to propagate propagate, add extractelement
return this->CreateExtractElement(vec, idx, name);
}
inline Value* CreateExtractElementOrPropagate(Value* vec, uint64_t idx, const Twine& name = "")
{
return CreateExtractElementOrPropagate(vec, this->getInt64(idx), name);
}
inline llvm::Function* llvm_GenISA_staticConstantPatch(uint32_t stringSize) const
{
llvm::Module* module = this->GetInsertBlock()->getParent()->getParent();
llvm::Function* func_llvm_GenISA_staticConstantPatchValue =
llvm::GenISAIntrinsic::getDeclaration(
module,
llvm::GenISAIntrinsic::GenISA_staticConstantPatchValue,
{ ArrayType::get(llvm::IntegerType::get(module->getContext(), 8), stringSize) });
return func_llvm_GenISA_staticConstantPatchValue;
}
inline llvm::Value* CreateStaticConstantPatch(llvm::StringRef patchName)
{
llvm::Function* func = llvm_GenISA_staticConstantPatch(patchName.size());
return this->CreateCall(func, llvm::ConstantDataArray::getString(func->getContext(), patchName, false));
}
private:
inline Value* CreateAllValuesAreConstantFP(Value** values,
unsigned nvalues, Value* constVal)
{
if (nvalues)
{
Value* aeq = this->CreateFCmpOEQ(values[0], constVal);
for (unsigned i = 1; i < nvalues; i++)
{
aeq = this->CreateAnd(aeq,
this->CreateFCmpOEQ(values[i], constVal));
}
return aeq;
}
return nullptr;
}
};
} // end namespace llvm
|
