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Chris Lattner d5bd369a0f enable code to handle un-phi-translatable cases more aggressively: 
if we don't have an address expression available in a predecessor,
then model this as the value being clobbered at the end of the pred
block instead of being modeled as a complete phi translation failure.
This is important for PRE of loads because we want to see that the
load is available in all but this predecessor, and complete phi
translation failure results in not getting any information about
predecessors.

This doesn't do anything until I renable code insertion since PRE
now sees that it is available in all but one predecessors, but can't
insert the addressing in the predecessor that is missing it to 
eliminate the redundancy.

llvm-svn: 90037
 		2009-11-28 14:54:10 +00:00
..
Analysis enable code to handle un-phi-translatable cases more aggressively: 2009-11-28 14:54:10 +00:00
Archive Prune #includes from llvm/Linker.h and llvm/System/Path.h, 2009-08-23 22:45:37 +00:00
AsmParser Add a hack for PR5601, a crash on obsolete syntax that we plan to 2009-11-26 22:48:23 +00:00
Bitcode Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions. 2009-11-07 00:16:28 +00:00
CodeGen Rename new TailDuplicationPass to avoid name conflict with the old one. 2009-11-26 21:38:41 +00:00
CompilerDriver Remove dead code. 2009-11-11 04:10:24 +00:00
ExecutionEngine * Move stub allocation inside the JITEmitter, instead of exposing a 2009-11-23 23:35:19 +00:00
Linker Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a lame API. 2009-11-10 00:43:58 +00:00
MC Pass StringRef by value. 2009-11-06 10:58:06 +00:00
Support Perform explicit instantiations in the proper namespace, since Clang diagnoses this ill-formity. 2009-11-25 06:04:18 +00:00
System API change Path::isSpecialFile to Path::isRegularFile, improve semantics in regards to comments from 89765 post review. 2009-11-25 06:32:19 +00:00
Target add a deadargelim note. 2009-11-27 17:12:30 +00:00
Transforms disable value insertion for now, I need to figure out how 2009-11-27 22:50:07 +00:00
VMCore Oops! Fix bug introduced in my recent cleanup change. Thanks to Tobias Grosser 2009-11-27 19:57:53 +00:00
Makefile remove llvm-db: it is completely broken and if anyone wants to do a debugger, 2009-10-05 02:29:51 +00:00