Jakob Stoklund Olesen cdc3df4888 Avoid sinking machine instructions into a loop. ...

MachineLoopInfo is already available when MachineSinking runs, so the check is
free.

There is no test case because it would require a critical edge into a loop, and
CodeGenPrepare splits those. This check is just to be extra careful.

llvm-svn: 101420

2010-04-15 23:41:02 +00:00

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