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attempt at float switches

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needs something more , will circle back later
This commit is contained in:
Folkert 2020-03-19 14:25:37 +01:00
parent f30655a103
commit 0075e3fb04
1 changed files with 8 additions and 1 deletions
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9
compiler/gen/src/llvm/build.rs
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@ -670,7 +670,13 @@ fn build_switch<'a, 'ctx, 'env>(
// Build the condition
let cond = match cond_layout {
Layout::Builtin(_) => build_expr(env, scope, parent, cond_expr, procs).into_int_value(),
Layout::Builtin(Builtin::Float64) => {
// float matches are done on the bit pattern
cond_layout = Layout::Builtin(Builtin::Int64);
let full_cond = build_expr(env, scope, parent, cond_expr, procs);
cast_basic_basic(builder, full_cond, env.context.i64_type().into()).into_int_value()
}
Layout::Union(_) => {
// we match on the discriminant, not the whole Tag
cond_layout = Layout::Builtin(Builtin::Int64);
@ -678,6 +684,7 @@ fn build_switch<'a, 'ctx, 'env>(
extract_tag_discriminant(env, full_cond)
}
Layout::Builtin(_) => build_expr(env, scope, parent, cond_expr, procs).into_int_value(),
other => todo!("Build switch value from layout: {:?}", other),
};