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6a84ed648e
Adjusting the load register type is a widenScalar type action, not a lowering. lowerLoad should be reserved for operations that change the memory access size, such as unaligned load decomposition. With this trying to adjust the register type, it was hard to avoid infinite loops in the legalizer. Adds a bandaid to avoid regressing a few AArch64 tests, but I'm not sure what the exact condition is and there's probably a cleaner way to do this. For AMDGPU this regresses handling of some cases for unaligned loads, but the way this is currently working is a pretty ugly hack. |
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