================
@@ -2282,6 +2282,15 @@ Instruction
*InstCombinerImpl::visitGetElementPtrInst(GetElementPtrInst &GEP) {
if (MadeChange)
return &GEP;
+ // Canonicalize constant GEPs to i8 type.
----------------
nikic wrote:
Note that i8 GEPs are already generated by some important components like
SCEVExpander, so it's pretty likely that your target should handle them already
(unless you are currently patching all the places generating them of course).
https://github.com/llvm/llvm-project/pull/68882
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