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Commit 95bda510 authored by Shimin Cui's avatar Shimin Cui Committed by Eli Friedman
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[ConstantFold] Fold the comparison of bitcasted global values

This is to simplify icmp instructions in the form like:

%cmp = icmp eq i32 (i8*, i8*)* bitcast (i32 (i32**, i32**)* @f32 to i32
%(i8*, i8*)), bitcast (i32 (i64**, i64**) @f64 to i32 (i8*, i8*)*)

Here @f32 and @f64 are two functions.

Differential Revision: https://reviews.llvm.org/D87850
parent de6f3d1c
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