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| author | Scott McMurray <scottmcm@users.noreply.github.com> | 2023-02-24 18:32:52 -0800 |
|---|---|---|
| committer | Scott McMurray <scottmcm@users.noreply.github.com> | 2023-03-22 15:15:41 -0700 |
| commit | 64cce5fc7d2c1070adeaa719932b4bbccf27dd46 (patch) | |
| tree | 918975145ee82f7777d722aedea9cc75f218dcce /compiler/rustc_codegen_cranelift/src/base.rs | |
| parent | a266f11990d9544ee408e213e1eec8cc9eb032b7 (diff) | |
Add `CastKind::Transmute` to MIR
Updates `interpret`, `codegen_ssa`, and `codegen_cranelift` to consume the new cast instead of the intrinsic. Includes `CastTransmute` for custom MIR building, to be able to test the extra UB.
Diffstat (limited to 'compiler/rustc_codegen_cranelift/src/base.rs')
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/base.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 1b8e9312e2f..2107ae147e9 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -709,6 +709,10 @@ fn codegen_stmt<'tcx>( let operand = codegen_operand(fx, operand); operand.coerce_dyn_star(fx, lval); } + Rvalue::Cast(CastKind::Transmute, ref operand, _to_ty) => { + let operand = codegen_operand(fx, operand); + lval.write_cvalue_transmute(fx, operand); + } Rvalue::Discriminant(place) => { let place = codegen_place(fx, place); let value = place.to_cvalue(fx); |