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Evan Cheng 52c15b3e6d Really really bad local register allocator bug. On X86, it was never using ESI, EDI, and EBP because of a bug in RALocal::isPhysRegAvailable(). For example, when 
it checks if ESI is available, it then looks at registers aliases to ESI. SIL is marked -2 (not allocatable) but isPhysRegAvailable() incorrectly assumes it is in use and returns false for ESI.

llvm-svn: 47499
 		2008-02-22 20:30:53 +00:00
clang Modified clang driver option -dump-live-variables to (optionally) use the 2008-02-22 20:13:09 +00:00
llvm Really really bad local register allocator bug. On X86, it was never using ESI, EDI, and EBP because of a bug in RALocal::isPhysRegAvailable(). For example, when 2008-02-22 20:30:53 +00:00