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Commit 3352a58d authored by Tilmann Scheller's avatar Tilmann Scheller
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[ARM] Make the assembler reject unpredictable pre/post-indexed ARM STR instructions. 

The ARM ARM prohibits STR instructions with writeback into the source register. With this commit this constraint is now enforced and we stop assembling STR instructions with unpredictable behavior.

llvm-svn: 213745
parent 40956e64
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