It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/ToolRunner.h b/tools/bugpoint/ToolRunner.h
new file mode 100644
index 0000000..5cdd304
--- /dev/null
+++ b/tools/bugpoint/ToolRunner.h
@@ -0,0 +1,214 @@
+//===-- tools/bugpoint/ToolRunner.h -----------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file exposes an abstraction around a platform C compiler, used to
+// compile C and assembly code. It also exposes an "AbstractIntepreter"
+// interface, which is used to execute code using one of the LLVM execution
+// engines.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef BUGPOINT_TOOLRUNNER_H
+#define BUGPOINT_TOOLRUNNER_H
+
+#include "llvm/Support/SystemUtils.h"
+#include <exception>
+#include <vector>
+
+namespace llvm {
+
+class CBE;
+class LLC;
+
+/// ToolExecutionError - An instance of this class is thrown by the
+/// AbstractInterpreter instances if there is an error running a tool (e.g., LLC
+/// crashes) which prevents execution of the program.
+///
+class ToolExecutionError : std::exception {
+ std::string Message;
+public:
+ explicit ToolExecutionError(const std::string &M) : Message(M) {}
+ virtual ~ToolExecutionError() throw();
+ virtual const char* what() const throw() { return Message.c_str(); }
+};
+
+
+//===---------------------------------------------------------------------===//
+// GCC abstraction
+//
+class GCC {
+ sys::Path GCCPath; // The path to the gcc executable
+ sys::Path RSHPath; // The path to the rsh executable
+ GCC(const sys::Path &gccPath, const sys::Path &rshPath)
+ : GCCPath(gccPath), RSHPath(rshPath) { }
+public:
+ enum FileType { AsmFile, CFile };
+
+ static GCC *create(const std::string &ProgramPath, std::string &Message);
+
+ /// ExecuteProgram - Execute the program specified by "ProgramFile" (which is
+ /// either a .s file, or a .c file, specified by FileType), with the specified
+ /// arguments. Standard input is specified with InputFile, and standard
+ /// Output is captured to the specified OutputFile location. The SharedLibs
+ /// option specifies optional native shared objects that can be loaded into
+ /// the program for execution.
+ ///
+ int ExecuteProgram(const std::string &ProgramFile,
+ const std::vector<std::string> &Args,
+ FileType fileType,
+ const std::string &InputFile,
+ const std::string &OutputFile,
+ const std::vector<std::string> &GCCArgs =
+ std::vector<std::string>(),
+ unsigned Timeout = 0,
+ unsigned MemoryLimit = 0);
+
+ /// MakeSharedObject - This compiles the specified file (which is either a .c
+ /// file or a .s file) into a shared object.
+ ///
+ int MakeSharedObject(const std::string &InputFile, FileType fileType,
+ std::string &OutputFile,
+ const std::vector<std::string> &ArgsForGCC);
+};
+
+
+//===---------------------------------------------------------------------===//
+/// AbstractInterpreter Class - Subclasses of this class are used to execute
+/// LLVM bitcode in a variety of ways. This abstract interface hides this
+/// complexity behind a simple interface.
+///
+class AbstractInterpreter {
+public:
+ static CBE *createCBE(const std::string &ProgramPath, std::string &Message,
+ const std::vector<std::string> *Args = 0);
+ static LLC *createLLC(const std::string &ProgramPath, std::string &Message,
+ const std::vector<std::string> *Args = 0);
+
+ static AbstractInterpreter* createLLI(const std::string &ProgramPath,
+ std::string &Message,
+ const std::vector<std::string> *Args=0);
+
+ static AbstractInterpreter* createJIT(const std::string &ProgramPath,
+ std::string &Message,
+ const std::vector<std::string> *Args=0);
+
+
+ virtual ~AbstractInterpreter() {}
+
+ /// compileProgram - Compile the specified program from bitcode to executable
+ /// code. This does not produce any output, it is only used when debugging
+ /// the code generator. If the code generator fails, an exception should be
+ /// thrown, otherwise, this function will just return.
+ virtual void compileProgram(const std::string &Bitcode) {}
+
+ /// OutputCode - Compile the specified program from bitcode to code
+ /// understood by the GCC driver (either C or asm). If the code generator
+ /// fails, an exception should be thrown, otherwise, this function returns the
+ /// type of code emitted.
+ virtual GCC::FileType OutputCode(const std::string &Bitcode,
+ sys::Path &OutFile) {
+ throw std::string("OutputCode not supported by this AbstractInterpreter!");
+ }
+
+ /// ExecuteProgram - Run the specified bitcode file, emitting output to the
+ /// specified filename. This returns the exit code of the program.
+ ///
+ virtual int ExecuteProgram(const std::string &Bitcode,
+ const std::vector<std::string> &Args,
+ const std::string &InputFile,
+ const std::string &OutputFile,
+ const std::vector<std::string> &GCCArgs =
+ std::vector<std::string>(),
+ const std::vector<std::string> &SharedLibs =
+ std::vector<std::string>(),
+ unsigned Timeout = 0,
+ unsigned MemoryLimit = 0) = 0;
+};
+
+//===---------------------------------------------------------------------===//
+// CBE Implementation of AbstractIntepreter interface
+//
+class CBE : public AbstractInterpreter {
+ sys::Path LLCPath; // The path to the `llc' executable
+ std::vector<std::string> ToolArgs; // Extra args to pass to LLC
+ GCC *gcc;
+public:
+ CBE(const sys::Path &llcPath, GCC *Gcc,
+ const std::vector<std::string> *Args) : LLCPath(llcPath), gcc(Gcc) {
+ ToolArgs.clear ();
+ if (Args) { ToolArgs = *Args; }
+ }
+ ~CBE() { delete gcc; }
+
+ /// compileProgram - Compile the specified program from bitcode to executable
+ /// code. This does not produce any output, it is only used when debugging
+ /// the code generator. If the code generator fails, an exception should be
+ /// thrown, otherwise, this function will just return.
+ virtual void compileProgram(const std::string &Bitcode);
+
+ virtual int ExecuteProgram(const std::string &Bitcode,
+ const std::vector<std::string> &Args,
+ const std::string &InputFile,
+ const std::string &OutputFile,
+ const std::vector<std::string> &GCCArgs =
+ std::vector<std::string>(),
+ const std::vector<std::string> &SharedLibs =
+ std::vector<std::string>(),
+ unsigned Timeout = 0,
+ unsigned MemoryLimit = 0);
+
+ /// OutputCode - Compile the specified program from bitcode to code
+ /// understood by the GCC driver (either C or asm). If the code generator
+ /// fails, an exception should be thrown, otherwise, this function returns the
+ /// type of code emitted.
+ virtual GCC::FileType OutputCode(const std::string &Bitcode,
+ sys::Path &OutFile);
+};
+
+
+//===---------------------------------------------------------------------===//
+// LLC Implementation of AbstractIntepreter interface
+//
+class LLC : public AbstractInterpreter {
+ std::string LLCPath; // The path to the LLC executable
+ std::vector<std::string> ToolArgs; // Extra args to pass to LLC
+ GCC *gcc;
+public:
+ LLC(const std::string &llcPath, GCC *Gcc,
+ const std::vector<std::string> *Args) : LLCPath(llcPath), gcc(Gcc) {
+ ToolArgs.clear ();
+ if (Args) { ToolArgs = *Args; }
+ }
+ ~LLC() { delete gcc; }
+
+ /// compileProgram - Compile the specified program from bitcode to executable
+ /// code. This does not produce any output, it is only used when debugging
+ /// the code generator. If the code generator fails, an exception should be
+ /// thrown, otherwise, this function will just return.
+ virtual void compileProgram(const std::string &Bitcode);
+
+ virtual int ExecuteProgram(const std::string &Bitcode,
+ const std::vector<std::string> &Args,
+ const std::string &InputFile,
+ const std::string &OutputFile,
+ const std::vector<std::string> &GCCArgs =
+ std::vector<std::string>(),
+ const std::vector<std::string> &SharedLibs =
+ std::vector<std::string>(),
+ unsigned Timeout = 0,
+ unsigned MemoryLimit = 0);
+
+ virtual GCC::FileType OutputCode(const std::string &Bitcode,
+ sys::Path &OutFile);
+
+};
+
+} // End llvm namespace
+
+#endif