projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| b37bf2e1 | 1 | /* |
| ed1e77d3 | 2 | * Copyright (C) 2013-2015 Apple Inc. All rights reserved. |
| b37bf2e1 A |
3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * | |
| 9dae56ea | 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| b37bf2e1 A |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 9dae56ea | 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| b37bf2e1 A |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 6fe7ccc8 | 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| b37bf2e1 A |
24 | */ |
| 25 | ||
| 81345200 A |
26 | #include "config.h" |
| 27 | #include "InitializeLLVM.h" | |
| 6fe7ccc8 | 28 | |
| 81345200 A |
29 | #if HAVE(LLVM) |
| 30 | ||
| 31 | #include "LLVMAPI.h" | |
| ed1e77d3 | 32 | #include "Options.h" |
| 81345200 | 33 | #include <pthread.h> |
| ed1e77d3 | 34 | #include <wtf/DataLog.h> |
| b37bf2e1 | 35 | |
| 9dae56ea | 36 | namespace JSC { |
| b37bf2e1 | 37 | |
| 81345200 A |
38 | static pthread_once_t initializeLLVMOnceKey = PTHREAD_ONCE_INIT; |
| 39 | ||
| ed1e77d3 A |
40 | static void initializeLLVMImpl() |
| 41 | { | |
| 42 | const bool verbose = | |
| 43 | Options::verboseFTLCompilation() | |
| 44 | || Options::showFTLDisassembly() | |
| 45 | || Options::verboseFTLFailure() | |
| 46 | || Options::verboseCompilation() | |
| 47 | || Options::showDFGDisassembly() | |
| 48 | || Options::showDisassembly(); | |
| 49 | ||
| 50 | LLVMInitializerFunction initializer = getLLVMInitializerFunction(verbose); | |
| 51 | if (!initializer) | |
| 52 | return; | |
| 53 | ||
| 54 | bool enableFastISel = Options::enableLLVMFastISel(); | |
| 55 | llvm = initializer(WTFLogAlwaysAndCrash, &enableFastISel); | |
| 56 | if (!llvm) { | |
| 57 | if (verbose) | |
| 58 | dataLog("LLVM initilization failed.\n"); | |
| 59 | } | |
| 60 | if (Options::enableLLVMFastISel() && !enableFastISel) { | |
| 61 | if (verbose) | |
| 62 | dataLog("Fast ISel requested but LLVM not new enough.\n"); | |
| 63 | } | |
| 64 | ||
| 65 | enableLLVMFastISel = enableFastISel; | |
| 66 | } | |
| 67 | ||
| 81345200 A |
68 | bool initializeLLVM() |
| 69 | { | |
| 70 | pthread_once(&initializeLLVMOnceKey, initializeLLVMImpl); | |
| 71 | return !!llvm; | |
| 72 | } | |
| b37bf2e1 | 73 | |
| 9dae56ea A |
74 | } // namespace JSC |
| 75 | ||
| 81345200 | 76 | #endif // HAVE(LLVM) |
| 6fe7ccc8 | 77 |