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[ocl-open-150] Remove compileMutex to enable parallel compilation (#692) #709

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Merged
wenju-he merged 3 commits into from
May 29, 2026
Merged

[ocl-open-150] Remove compileMutex to enable parallel compilation (#692) #709

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24366dc
[ocl-open-150] Remove compileMutex to enable parallel compilation (#692)
wenju-he May 29, 2026
d844930
delete compileMutex
wenju-he May 29, 2026
90fc6d8
update indent
wenju-he May 29, 2026
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12 changes: 0 additions & 12 deletions common_clang.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,6 @@ Copyright (c) Intel Corporation (2009-2017).
#include "llvm/Support/Path.h"
#include "llvm/Support/Threading.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/Diagnostic.h"
Expand Down Expand Up @@ -81,8 +80,6 @@ Copyright (c) Intel Corporation (2009-2017).

using namespace Intel::OpenCL::ClangFE;

llvm::ManagedStatic<llvm::sys::SmartMutex<true>> compileMutex;

void CommonClangTerminate() { llvm::llvm_shutdown(); }

// This function mustn't be invoked from a static object constructor,
Expand Down Expand Up @@ -198,9 +195,6 @@ Compile(const char *pszProgramSource, const char **pInputHeaders,
CommonClangInitialize();

try {
#ifdef _WIN32
llvm::sys::SmartScopedLock<true> compileGuard{*compileMutex};
#endif
std::unique_ptr<OCLFEBinaryResult> pResult(new OCLFEBinaryResult());

// Create the clang compiler
Expand All @@ -212,9 +206,6 @@ Compile(const char *pszProgramSource, const char **pInputHeaders,
// Prepare error log
llvm::raw_string_ostream err_ostream(pResult->getLogRef());
{
#ifndef _WIN32
llvm::sys::SmartScopedLock<true> compileGuard{*compileMutex};
#endif
// Parse options
if (optionsParser.processOptions(pszOptions, pszOptionsEx) != 0) {
if (pBinaryResult)
Expand Down Expand Up @@ -339,9 +330,6 @@ Compile(const char *pszProgramSource, const char **pInputHeaders,
err_ostream.flush();
}
{
#ifndef _WIN32
llvm::sys::SmartScopedLock<true> compileGuard{*compileMutex};
#endif
if (pBinaryResult) {
*pBinaryResult = pResult.release();
}
Expand Down
6 changes: 0 additions & 6 deletions options_compile.cpp
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Expand Up @@ -40,8 +40,6 @@ Copyright (c) Intel Corporation (2009-2017).

using namespace llvm::opt;

extern llvm::ManagedStatic<llvm::sys::SmartMutex<true>> compileMutex;

static const OptTable::Info ClangOptionsInfoTable[] = {
#define PREFIX(NAME, VALUE)
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
Expand Down Expand Up @@ -522,10 +520,6 @@ std::string CompileOptionsParser::getEffectiveOptionsAsString() const {
extern "C" CC_DLL_EXPORT bool CheckCompileOptions(const char *pszOptions,
char *pszUnknownOptions,
size_t uiUnknownOptionsSize) {
// LLVM doesn't guarantee thread safety,
// therefore we serialize execution of LLVM code.
llvm::sys::SmartScopedLock<true> compileOptionsGuard{*compileMutex};

try {
CompileOptionsParser optionsParser("200");
return optionsParser.checkOptions(pszOptions, pszUnknownOptions,
Expand Down
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