llvm/tools/bugpoint
Chris Lattner 1afcace3a3 Land the long talked about "type system rewrite" patch. This
patch brings numerous advantages to LLVM.  One way to look at it
is through diffstat:
 109 files changed, 3005 insertions(+), 5906 deletions(-)

Removing almost 3K lines of code is a good thing.  Other advantages
include:

1. Value::getType() is a simple load that can be CSE'd, not a mutating
   union-find operation.
2. Types a uniqued and never move once created, defining away PATypeHolder.
3. Structs can be "named" now, and their name is part of the identity that
   uniques them.  This means that the compiler doesn't merge them structurally
   which makes the IR much less confusing.
4. Now that there is no way to get a cycle in a type graph without a named
   struct type, "upreferences" go away.
5. Type refinement is completely gone, which should make LTO much MUCH faster
   in some common cases with C++ code.
6. Types are now generally immutable, so we can use "Type *" instead 
   "const Type *" everywhere.

Downsides of this patch are that it removes some functions from the C API,
so people using those will have to upgrade to (not yet added) new API.  
"LLVM 3.0" is the right time to do this.

There are still some cleanups pending after this, this patch is large enough
as-is.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09 17:41:24 +00:00
..
BugDriver.cpp Fix whitespace. 2011-03-31 13:06:39 +00:00
BugDriver.h Be more consistent in using ValueToValueMapTy. 2010-10-13 01:36:30 +00:00
bugpoint.cpp Add -O1/2/3 to bugpoint, so when you conclude opt -O2 reproduces an issue, you can just run bugpoint -O2. :) My implementation isn't precisely equivalent to what opt does, but as far as I can tell, it's close enough. 2011-06-06 22:45:46 +00:00
CMakeLists.txt Revert "CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally." 2010-09-13 23:59:48 +00:00
CrashDebugger.cpp Be more consistent in using ValueToValueMapTy. 2010-10-13 01:36:30 +00:00
ExecutionDriver.cpp Bugpoint support for miscompilations that result in a crash. 2011-05-11 16:31:24 +00:00
ExtractFunction.cpp Land the long talked about "type system rewrite" patch. This 2011-07-09 17:41:24 +00:00
FindBugs.cpp Most of bugpoint now only needs to know the pass names. 2010-08-08 03:55:08 +00:00
ListReducer.h Convert some tab stops into spaces. 2010-07-12 08:16:59 +00:00
Makefile Bugpoint no longer uses exceptions. 2010-04-14 04:40:31 +00:00
Miscompilation.cpp Bugpoint support for miscompilations that result in a crash. 2011-05-11 16:31:24 +00:00
OptimizerDriver.cpp Have Program::Wait return -2 for crashed and timeouts instead of embedding 2011-05-21 00:56:46 +00:00
ToolRunner.cpp Have Program::Wait return -2 for crashed and timeouts instead of embedding 2011-05-21 00:56:46 +00:00
ToolRunner.h Added bugpoint options: -compile-custom and -compile-command=... 2011-02-08 18:20:48 +00:00