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Merge branch 'trunk' of github.com:rtfeldman/roc into update_zig_09

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Brian Carroll 2022-04-11 18:37:05 +01:00
commit 9b0c7fad41
107 changed files with 4162 additions and 1741 deletions
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42
compiler/gen_llvm/src/llvm/build.rs
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@ -5878,6 +5878,48 @@ fn run_low_level<'a, 'ctx, 'env>(
.build_int_cast_sign_flag(arg, to, to_signed, "inc_cast")
.into()
}
NumToFloatCast => {
debug_assert_eq!(args.len(), 1);
let (arg, arg_layout) = load_symbol_and_layout(scope, &args[0]);
match arg_layout {
Layout::Builtin(Builtin::Int(width)) => {
// Converting from int to float
let int_val = arg.into_int_value();
let dest = basic_type_from_layout(env, layout).into_float_type();
if width.is_signed() {
env.builder
.build_signed_int_to_float(int_val, dest, "signed_int_to_float")
.into()
} else {
env.builder
.build_unsigned_int_to_float(int_val, dest, "unsigned_int_to_float")
.into()
}
}
Layout::Builtin(Builtin::Float(_)) => {
// Converting from float to float - e.g. F64 to F32, or vice versa
let dest = basic_type_from_layout(env, layout).into_float_type();
env.builder
.build_float_cast(arg.into_float_value(), dest, "cast_float_to_float")
.into()
}
Layout::Builtin(Builtin::Decimal) => {
todo!("Support converting Dec values to floats.");
}
other => {
unreachable!("Tried to do a float cast to non-float layout {:?}", other);
}
}
}
NumToFloatChecked => {
// NOTE: There's a NumToIntChecked implementation above,
// which could be useful to look at when implementing this.
todo!("implement checked float conversion");
}
Eq => {
debug_assert_eq!(args.len(), 2);