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9f1d453675
forces having special checks in ArmInstPrinter::printInstruction. This patch addresses this issue. Not all special checks could be removed: either they involve elaborated conditions under which the alias is emitted (e.g. ldm/stm on sp may be pop/push but only if the number of registers is >= 2) or the number of registers is multivalued (like happens again with ldm/stm) and they do not match the InstAlias pattern which assumes single-valued operands in the pattern. Patch by: Roger Ferrer Ibanez Differential Revision: http://reviews.llvm.org/D20237 llvm-svn: 271667
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