[libclc] 224/291: Require LLVM 3.6 and bump version to 0.1.0

[Andreas Beckmann]

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anbe pushed a commit to branch master
in repository libclc.

commit 9a53500b66544d50b0f42afa4eb0de3b6cdbcb16
Author: Tom Stellard <thomas.stellard at amd.com>
Date:   Wed Dec 31 15:27:53 2014 +0000

    Require LLVM 3.6 and bump version to 0.1.0
    
    Some functions are implemented using hand-written LLVM IR, and
    LLVM assembly format is allowed to change between versions, so we
    should require a specific version of LLVM.
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@225041 91177308-0d34-0410-b5e6-96231b3b80d8
---
 configure.py               | 12 ++++++-----
 utils/prepare-builtins.cpp | 51 ++--------------------------------------------
 2 files changed, 9 insertions(+), 54 deletions(-)

diff --git a/configure.py b/configure.py
index 7170f46..d962244 100755
--- a/configure.py
+++ b/configure.py
@@ -5,8 +5,8 @@ def c_compiler_rule(b, name, description, compiler, flags):
   b.rule(name, command, description + " $out", depfile="$out.d")
 
 version_major = 0;
-version_minor = 0;
-version_patch = 1;
+version_minor = 1;
+version_patch = 0;
 
 from optparse import OptionParser
 import os
@@ -64,9 +64,11 @@ def llvm_config(args):
     sys.exit(1)
 
 llvm_version = string.split(string.replace(llvm_config(['--version']), 'svn', ''), '.')
-llvm_system_libs = ''
-if (int(llvm_version[0]) == 3 and int(llvm_version[1]) >= 5) or int(llvm_version[0]) > 3:
-    llvm_system_libs = llvm_config(['--system-libs'])
+if (int(llvm_version[0]) != 3 and int(llvm_version[1]) != 6):
+    print "libclc requires LLVM 3.6"
+    sys.exit(1)
+
+llvm_system_libs = llvm_config(['--system-libs'])
 llvm_bindir = llvm_config(['--bindir'])
 llvm_core_libs = llvm_config(['--libs', 'core', 'bitreader', 'bitwriter']) + ' ' + \
                  llvm_system_libs + ' ' + \
diff --git a/utils/prepare-builtins.cpp b/utils/prepare-builtins.cpp
index ee51edf..a3c3383 100644
--- a/utils/prepare-builtins.cpp
+++ b/utils/prepare-builtins.cpp
@@ -12,25 +12,8 @@
 #include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Config/llvm-config.h"
 
-#define LLVM_360_AND_NEWER \
-  (LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6))
-
-#define LLVM_350_AND_NEWER \
-  (LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 5))
-
-#if LLVM_350_AND_NEWER
 #include <system_error>
 
-#define ERROR_CODE std::error_code
-#define UNIQUE_PTR std::unique_ptr
-#else
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Support/system_error.h"
-
-#define ERROR_CODE error_code
-#define UNIQUE_PTR OwningPtr
-#endif
-
 using namespace llvm;
 
 static cl::opt<std::string>
@@ -50,30 +33,17 @@ int main(int argc, char **argv) {
   std::auto_ptr<Module> M;
 
   {
-#if LLVM_350_AND_NEWER
     ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOrErr =
       MemoryBuffer::getFile(InputFilename);
     std::unique_ptr<MemoryBuffer> &BufferPtr = BufferOrErr.get();
     if (std::error_code  ec = BufferOrErr.getError())
-#else
-    UNIQUE_PTR<MemoryBuffer> BufferPtr;
-    if (ERROR_CODE ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr))
-#endif
       ErrorMessage = ec.message();
     else {
-#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
-# if LLVM_360_AND_NEWER
       ErrorOr<Module *> ModuleOrErr =
 	parseBitcodeFile(BufferPtr.get()->getMemBufferRef(), Context);
-# else
-      ErrorOr<Module *> ModuleOrErr = parseBitcodeFile(BufferPtr.get(), Context);
-# endif
-      if (ERROR_CODE ec = ModuleOrErr.getError())
+      if (std::error_code ec = ModuleOrErr.getError())
         ErrorMessage = ec.message();
       M.reset(ModuleOrErr.get());
-#else
-      M.reset(ParseBitcodeFile(BufferPtr.get(), Context, &ErrorMessage));
-#endif
     }
   }
 
@@ -103,30 +73,13 @@ int main(int argc, char **argv) {
     return 1;
   }
 
-#if LLVM_360_AND_NEWER
   std::error_code EC;
-  UNIQUE_PTR<tool_output_file> Out
+  std::unique_ptr<tool_output_file> Out
   (new tool_output_file(OutputFilename, EC, sys::fs::F_None));
   if (EC) {
     errs() << EC.message() << '\n';
     exit(1);
   }
-#else
-  std::string ErrorInfo;
-  UNIQUE_PTR<tool_output_file> Out
-  (new tool_output_file(OutputFilename.c_str(), ErrorInfo,
-#if (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR == 4)
-                        sys::fs::F_Binary));
-#elif LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 5)
-                        sys::fs::F_None));
-#else
-                        raw_fd_ostream::F_Binary));
-#endif
-  if (!ErrorInfo.empty()) {
-    errs() << ErrorInfo << '\n';
-    exit(1);
-  }
-#endif // LLVM_360_AND_NEWER
 
   WriteBitcodeToFile(M.get(), Out->os());
 

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