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* [ARM] Diagnose PC-writing instructions in IT blocksOliver Stannard2017-02-281-0/+57
In Thumb2, instructions which write to the PC are UNPREDICTABLE if they are in an IT block but not the last instruction in the block. Previously, we only diagnosed this for LDM instructions, this patch extends the diagnostic to cover all of the relevant instructions. Differential Revision: https://reviews.llvm.org/D30398 llvm-svn: 296459
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