Evan Cheng 3f251fb26e Re-apply r110655 with fixes. Epilogue must restore sp from fp if the function stack frame has a var-sized object. ... Also added a test case to check for the added benefit of this patch: it's optimizing away the unnecessary restore of sp from fp for some non-leaf functions. llvm-svn: 110707		2010-08-10 19:30:19 +00:00
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llvm	Re-apply r110655 with fixes. Epilogue must restore sp from fp if the function stack frame has a var-sized object.	2010-08-10 19:30:19 +00:00