autodiff: stop always needing an alloca#157181
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There will still be one for things that aren't just scalars or scalar pairs.
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Some changes occurred in compiler/rustc_codegen_llvm/src/builder/autodiff.rs cc @ZuseZ4 |
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There will still be one for things that aren't just scalars or scalar pairs.
r? @ZuseZ4
cc #153250 (the tracking issue for removing intrinsic allocas)