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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/lib/Support/CodeGenCoverage.cpp
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/lib/Support/CodeGenCoverage.cpp')
-rw-r--r--gnu/llvm/lib/Support/CodeGenCoverage.cpp125
1 files changed, 0 insertions, 125 deletions
diff --git a/gnu/llvm/lib/Support/CodeGenCoverage.cpp b/gnu/llvm/lib/Support/CodeGenCoverage.cpp
deleted file mode 100644
index 811020e3254..00000000000
--- a/gnu/llvm/lib/Support/CodeGenCoverage.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-//===- lib/Support/CodeGenCoverage.cpp -------------------------------------==//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-/// \file
-/// This file implements the CodeGenCoverage class.
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/CodeGenCoverage.h"
-
-#include "llvm/Config/llvm-config.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Mutex.h"
-#include "llvm/Support/ScopedPrinter.h"
-#include "llvm/Support/ToolOutputFile.h"
-
-#if LLVM_ON_UNIX
-#include <unistd.h>
-#elif defined(_WIN32)
-#include <windows.h>
-#endif
-
-using namespace llvm;
-
-static sys::SmartMutex<true> OutputMutex;
-
-CodeGenCoverage::CodeGenCoverage() {}
-
-void CodeGenCoverage::setCovered(uint64_t RuleID) {
- if (RuleCoverage.size() <= RuleID)
- RuleCoverage.resize(RuleID + 1, 0);
- RuleCoverage[RuleID] = true;
-}
-
-bool CodeGenCoverage::isCovered(uint64_t RuleID) const {
- if (RuleCoverage.size() <= RuleID)
- return false;
- return RuleCoverage[RuleID];
-}
-
-iterator_range<CodeGenCoverage::const_covered_iterator>
-CodeGenCoverage::covered() const {
- return RuleCoverage.set_bits();
-}
-
-bool CodeGenCoverage::parse(MemoryBuffer &Buffer, StringRef BackendName) {
- const char *CurPtr = Buffer.getBufferStart();
-
- while (CurPtr != Buffer.getBufferEnd()) {
- // Read the backend name from the input.
- const char *LexedBackendName = CurPtr;
- while (*CurPtr++ != 0)
- ;
- if (CurPtr == Buffer.getBufferEnd())
- return false; // Data is invalid, expected rule id's to follow.
-
- bool IsForThisBackend = BackendName.equals(LexedBackendName);
- while (CurPtr != Buffer.getBufferEnd()) {
- if (std::distance(CurPtr, Buffer.getBufferEnd()) < 8)
- return false; // Data is invalid. Not enough bytes for another rule id.
-
- uint64_t RuleID = support::endian::read64(CurPtr, support::native);
- CurPtr += 8;
-
- // ~0ull terminates the rule id list.
- if (RuleID == ~0ull)
- break;
-
- // Anything else, is recorded or ignored depending on whether it's
- // intended for the backend we're interested in.
- if (IsForThisBackend)
- setCovered(RuleID);
- }
- }
-
- return true;
-}
-
-bool CodeGenCoverage::emit(StringRef CoveragePrefix,
- StringRef BackendName) const {
- if (!CoveragePrefix.empty() && !RuleCoverage.empty()) {
- sys::SmartScopedLock<true> Lock(OutputMutex);
-
- // We can handle locking within a process easily enough but we don't want to
- // manage it between multiple processes. Use the process ID to ensure no
- // more than one process is ever writing to the same file at the same time.
- std::string Pid =
-#if LLVM_ON_UNIX
- llvm::to_string(::getpid());
-#elif defined(_WIN32)
- llvm::to_string(::GetCurrentProcessId());
-#else
- "";
-#endif
-
- std::string CoverageFilename = (CoveragePrefix + Pid).str();
-
- std::error_code EC;
- sys::fs::OpenFlags OpenFlags = sys::fs::F_Append;
- std::unique_ptr<ToolOutputFile> CoverageFile =
- llvm::make_unique<ToolOutputFile>(CoverageFilename, EC, OpenFlags);
- if (EC)
- return false;
-
- uint64_t Zero = 0;
- uint64_t InvZero = ~0ull;
- CoverageFile->os() << BackendName;
- CoverageFile->os().write((const char *)&Zero, sizeof(unsigned char));
- for (uint64_t I : RuleCoverage.set_bits())
- CoverageFile->os().write((const char *)&I, sizeof(uint64_t));
- CoverageFile->os().write((const char *)&InvZero, sizeof(uint64_t));
-
- CoverageFile->keep();
- }
-
- return true;
-}
-
-void CodeGenCoverage::reset() { RuleCoverage.resize(0); }