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| author | Scott McMurray <scottmcm@users.noreply.github.com> | 2025-04-07 18:12:06 -0700 |
|---|---|---|
| committer | Scott McMurray <scottmcm@users.noreply.github.com> | 2025-04-07 18:12:06 -0700 |
| commit | 502f7f9c241b35d65f4538d28c43e6feca474df2 (patch) | |
| tree | 30af419459c7b7031ab64bf128edb005931399e3 /compiler/rustc_codegen_ssa | |
| parent | 51e67e21cf2ca50a431d392a03dcc66377a365cd (diff) | |
| download | rust-502f7f9c241b35d65f4538d28c43e6feca474df2.tar.gz rust-502f7f9c241b35d65f4538d28c43e6feca474df2.zip | |
Address PR feedback
Diffstat (limited to 'compiler/rustc_codegen_ssa')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/mir/operand.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs index fca0695f296..eade9e52de9 100644 --- a/compiler/rustc_codegen_ssa/src/mir/operand.rs +++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs @@ -581,7 +581,9 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> { ); // In principle we could insert assumes on the possible range of `discr`, but - // currently in LLVM this seems to be a pessimization. + // currently in LLVM this isn't worth it because the original `tag` will + // have either a `range` parameter attribute or `!range` metadata, + // or come from a `transmute` that already `assume`d it. discr } |