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| author | bors <bors@rust-lang.org> | 2020-08-29 12:31:56 +0000 |
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| committer | bors <bors@rust-lang.org> | 2020-08-29 12:31:56 +0000 |
| commit | 286a346d00ea534985195f3d72f4e1c5f3b07e2e (patch) | |
| tree | 66097f666cb1b4daa16d3833d0905cdbb59f857a /compiler/rustc_codegen_llvm/src | |
| parent | 65d071eeb52eba78896dd09b95a80c647ef150e9 (diff) | |
| parent | 23dda1b9c64ab1f5a58bc19535792aee05254167 (diff) | |
| download | rust-286a346d00ea534985195f3d72f4e1c5f3b07e2e.tar.gz rust-286a346d00ea534985195f3d72f4e1c5f3b07e2e.zip | |
Auto merge of #75370 - simonvandel:optimize-if-condition-on-int-to-switch, r=oli-obk
New pass to optimize `if`conditions on integrals to switches on the integer Fixes #75144 Pass to convert `if` conditions on integrals into switches on the integral. For an example, it turns something like ``` _3 = Eq(move _4, const 43i32); StorageDead(_4); switchInt(_3) -> [false: bb2, otherwise: bb3]; ``` into: ``` switchInt(_4) -> [43i32: bb3, otherwise: bb2]; ```
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
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