[Backend] Fix arith.index_cast lowering to LLVM. #4704
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Fix crash when lowering `arith.index_cast` to llvm when the cast truncates or extends the i32 index. `createDestOps` should not `replaceOpWithNewOp` but simply `createOp` because the call-site (`matchAndRewrite`) calls `replaceOp` later on.
ThomasRaoux
approved these changes
Sep 11, 2024
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Fix crash when lowering
arith.index_castto llvm when the cast truncates or extends the i32 index.createDestOpsshould notreplaceOpWithNewOpbut simplycreateOpbecause the call-site (matchAndRewrite) callsreplaceOplater on.