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avr-llvm / llvm

[MERGED UPSTREAM] AVR backend for the LLVM compiler library
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Annotate 'Uses' and 'Defs' for instructions #61

Closed dylanmckay closed 9 years ago

dylanmckay commented 9 years ago

Many instructions use or clobber registers such as r0, r1, SREG, etc.

Trawl through the instruction manual and add missing Uses and Defs fields.

See lib/Target/AVR/AVRInstrInfo.td.