[PATCH] D30648: In Thumb1, materialize a move between low registers as a `movs`, if CPSR isn't live.

[Jonathan Roelofs via Phabricator via llvm-commits]

jroelofs added a comment.

awesome, thanks.



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Comment at: test/CodeGen/ARM/smml.ll:47
+; CHECK-THUMB: push {r2}
+; CHECK-THUMB: pop  {r3}
+; CHECK-THUMB: ble
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Interesting that CPSR is only live here because the `cmp` happens before where we wanted the `movs`.


https://reviews.llvm.org/D30648