diff options
Diffstat (limited to 'compiler/rustc_const_eval/src')
| -rw-r--r-- | compiler/rustc_const_eval/src/const_eval/machine.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index d5a33b6f01e..274ff25fb9b 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -531,6 +531,11 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, )?; } } + // The intrinsic represents whether the value is known to the optimizer (LLVM). + // We're not doing any optimizations here, so there is no optimizer that could know the value. + // (We know the value here in the machine of course, but this is the runtime of that code, + // not the optimization stage.) + sym::is_val_statically_known => ecx.write_scalar(Scalar::from_bool(false), dest)?, _ => { throw_unsup_format!( "intrinsic `{intrinsic_name}` is not supported at compile-time" |