1 //===- SPIRVBasicBlock.cpp - SPIR-V Basic Block ------------------*- C++ -*-===//
2 //
3 // The LLVM/SPIRV Translator
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 // Copyright (c) 2014 Advanced Micro Devices, Inc. All rights reserved.
9 //
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11 // copy of this software and associated documentation files (the "Software"),
12 // to deal with the Software without restriction, including without limitation
13 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 // and/or sell copies of the Software, and to permit persons to whom the
15 // Software is furnished to do so, subject to the following conditions:
16 //
17 // Redistributions of source code must retain the above copyright notice,
18 // this list of conditions and the following disclaimers.
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20 // this list of conditions and the following disclaimers in the documentation
21 // and/or other materials provided with the distribution.
22 // Neither the names of Advanced Micro Devices, Inc., nor the names of its
23 // contributors may be used to endorse or promote products derived from this
24 // Software without specific prior written permission.
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31 // THE SOFTWARE.
32 //
33 //===----------------------------------------------------------------------===//
34 /// \file
35 ///
36 /// This file implements SPIRV basic block.
37 ///
38 //===----------------------------------------------------------------------===//
39
40 #include "SPIRVEntry.h"
41 #include "SPIRVValue.h"
42 #include "SPIRVBasicBlock.h"
43 #include "SPIRVInstruction.h"
44 #include "SPIRVFunction.h"
45 #include "SPIRVStream.h"
46
47 #include <iostream>
48
49 using namespace SPIRV;
50
SPIRVBasicBlock(SPIRVId TheId,SPIRVFunction * Func)51 SPIRVBasicBlock::SPIRVBasicBlock(SPIRVId TheId, SPIRVFunction *Func)
52 :SPIRVValue(Func->getModule(), 2, OpLabel, TheId), ParentF(Func) {
53 setAttr();
54 validate();
55 }
56
57 SPIRVDecoder
getDecoder(std::istream & IS)58 SPIRVBasicBlock::getDecoder(std::istream &IS){
59 return SPIRVDecoder(IS, *this);
60 }
61
62 /// Assume I contains valid Id.
63 SPIRVInstruction *
addInstruction(SPIRVInstruction * I)64 SPIRVBasicBlock::addInstruction(SPIRVInstruction *I) {
65 assert(I && "Invalid instruction");
66 Module->add(I);
67 I->setParent(this);
68 InstVec.push_back(I);
69 return I;
70 }
71
72 void
encodeChildren(spv_ostream & O) const73 SPIRVBasicBlock::encodeChildren(spv_ostream &O) const {
74 O << SPIRVNL();
75 for (size_t i = 0, e = InstVec.size(); i != e; ++i)
76 O << *InstVec[i];
77 }
78
_SPIRV_IMP_ENCDEC1(SPIRVBasicBlock,Id)79 _SPIRV_IMP_ENCDEC1(SPIRVBasicBlock, Id)
80
81 void
82 SPIRVBasicBlock::setScope(SPIRVEntry *Scope) {
83 assert(Scope && Scope->getOpCode() == OpFunction && "Invalid scope");
84 setParent(static_cast<SPIRVFunction*>(Scope));
85 }
86