| //===- PrintPasses.h - Determining whether/when to print IR ---------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_IR_PRINTPASSES_H |
| #define LLVM_IR_PRINTPASSES_H |
| |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/Support/CommandLine.h" |
| #include <vector> |
| |
| namespace llvm { |
| |
| enum class ChangePrinter { |
| None, |
| Verbose, |
| Quiet, |
| DiffVerbose, |
| DiffQuiet, |
| ColourDiffVerbose, |
| ColourDiffQuiet, |
| DotCfgVerbose, |
| DotCfgQuiet |
| }; |
| |
| extern cl::opt<ChangePrinter> PrintChanged; |
| |
| // Returns true if printing before/after some pass is enabled, whether all |
| // passes or a specific pass. |
| bool shouldPrintBeforeSomePass(); |
| bool shouldPrintAfterSomePass(); |
| |
| // Returns true if we should print before/after a specific pass. The argument |
| // should be the pass ID, e.g. "instcombine". |
| bool shouldPrintBeforePass(StringRef PassID); |
| bool shouldPrintAfterPass(StringRef PassID); |
| |
| // Returns true if we should print before/after all passes. |
| bool shouldPrintBeforeAll(); |
| bool shouldPrintAfterAll(); |
| |
| // The list of passes to print before/after, if we only want to print |
| // before/after specific passes. |
| std::vector<std::string> printBeforePasses(); |
| std::vector<std::string> printAfterPasses(); |
| |
| // Returns true if we should always print the entire module. |
| bool forcePrintModuleIR(); |
| |
| // Return true if -filter-passes is empty or contains the pass name. |
| bool isPassInPrintList(StringRef PassName); |
| bool isFilterPassesEmpty(); |
| |
| // Returns true if we should print the function. |
| bool isFunctionInPrintList(StringRef FunctionName); |
| |
| // Ensure temporary files exist, creating or re-using them. \p FD contains |
| // file descriptors (-1 indicates that the file should be created) and |
| // \p SR contains the corresponding initial content. \p FileName will have |
| // the filenames filled in when creating files. Return first error code (if |
| // any) and stop. |
| std::error_code prepareTempFiles(SmallVector<int> &FD, ArrayRef<StringRef> SR, |
| SmallVector<std::string> &FileName); |
| |
| // Remove the temporary files in \p FileName. Typically used in conjunction |
| // with prepareTempFiles. Return first error code (if any) and stop.. |
| std::error_code cleanUpTempFiles(ArrayRef<std::string> FileName); |
| |
| // Perform a system based diff between \p Before and \p After, using \p |
| // OldLineFormat, \p NewLineFormat, and \p UnchangedLineFormat to control the |
| // formatting of the output. Return an error message for any failures instead |
| // of the diff. |
| std::string doSystemDiff(StringRef Before, StringRef After, |
| StringRef OldLineFormat, StringRef NewLineFormat, |
| StringRef UnchangedLineFormat); |
| |
| } // namespace llvm |
| |
| #endif // LLVM_IR_PRINTPASSES_H |