779c05a625
MCDCCondBitmapAddr is moved from `CodeGenFunction` into `MCDCState` and created for each Decision. In `maybeCreateMCDCCondBitmap`, Allocate bitmaps for all valid Decisions and emit them order by ID, to prevent nondeterminism.
66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
//===---- MCDCState.h - Per-Function MC/DC state ----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Per-Function MC/DC state for PGO
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_CODEGEN_MCDCSTATE_H
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#define LLVM_CLANG_LIB_CODEGEN_MCDCSTATE_H
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#include "Address.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ProfileData/Coverage/MCDCTypes.h"
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#include <cassert>
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#include <limits>
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namespace clang {
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class Stmt;
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} // namespace clang
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namespace clang::CodeGen::MCDC {
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using namespace llvm::coverage::mcdc;
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/// Per-Function MC/DC state
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struct State {
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unsigned BitmapBits = 0;
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struct Decision {
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using IndicesTy = llvm::SmallVector<std::array<int, 2>>;
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static constexpr auto InvalidID = std::numeric_limits<unsigned>::max();
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unsigned BitmapIdx;
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IndicesTy Indices;
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unsigned ID = InvalidID;
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Address MCDCCondBitmapAddr = Address::invalid();
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bool isValid() const { return ID != InvalidID; }
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void update(unsigned I, IndicesTy &&X) {
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assert(isValid());
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BitmapIdx = I;
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Indices = std::move(X);
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}
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};
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llvm::DenseMap<const Stmt *, Decision> DecisionByStmt;
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struct Branch {
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ConditionID ID;
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const Stmt *DecisionStmt;
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};
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llvm::DenseMap<const Stmt *, Branch> BranchByStmt;
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};
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} // namespace clang::CodeGen::MCDC
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#endif // LLVM_CLANG_LIB_CODEGEN_MCDCSTATE_H
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