Dan Gohman f2ae9c6220 Fix the x86 test-shrink optimization so that it doesn't shrink comparisons ... when one of the bits being tested would end up being the sign bit in the narrower type, and a signed comparison is being performed, since this would change the result of the signed comparison. This fixes PR5132. llvm-svn: 83670		2009-10-09 20:35:19 +00:00
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Analysis	Revert r83606 and add comments explaining why it isn't safe.	2009-10-09 16:35:06 +00:00
Archive	Prune #includes from llvm/Linker.h and llvm/System/Path.h,	2009-08-23 22:45:37 +00:00
AsmParser	strength reduce a ton of type equality tests to check the typeid (Through	2009-10-05 05:54:46 +00:00
Bitcode	strength reduce a ton of type equality tests to check the typeid (Through	2009-10-05 05:54:46 +00:00
CodeGen	Add basic infrastructure and x86 support for preserving MachineMemOperand	2009-10-09 18:10:05 +00:00
CompilerDriver	convert LoopInfo.h and GraphWriter.h to use raw_ostream	2009-08-23 07:19:13 +00:00
ExecutionEngine	Introduce and use convenience methods for getting pointer types	2009-10-06 15:40:36 +00:00
Linker	Remove unnecessary #include.	2009-09-12 22:24:25 +00:00
MC	Fixed MCSectionMachO::ParseSectionSpecifier to allow an attribute of "none" so	2009-10-07 20:57:20 +00:00
Support	r83391 was completely broken since Twines keep references to their inputs, and	2009-10-06 21:45:26 +00:00
System	MingW build fixes	2009-10-02 19:36:31 +00:00
Target	Fix the x86 test-shrink optimization so that it doesn't shrink comparisons	2009-10-09 20:35:19 +00:00
Transforms	When considering whether to inline Callee into Caller,	2009-10-09 00:11:32 +00:00
VMCore	Add a form of addPreserved which takes a string argument, to allow passes	2009-10-08 17:00:02 +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