ahatanak added inline comments.
================
Comment at: lib/Basic/TargetInfo.cpp:506
case '!': // Disparage severely.
case '*': // Ignore for choosing register preferences.
+ case 'i': // Ignore i as output constraint (match from the other chars)
----------------
If we are going to ignore 'i', should we ignore other constraints for immediate
operands too (for example, 'n', 'E", and 'F')?
https://reviews.llvm.org/D31383
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