Sanjay Patel 2bf6123f22 [InstCombine] fold icmp of sext bool based on limited range ...

X <=u (sext i1 Y) --> (X == 0) | Y

https://alive2.llvm.org/ce/z/W_tZzo

This is the conjugate/sibling pattern suggested with D126171
for a sign-extended bool value.

2022-05-31 12:37:56 -04:00

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