forked from M-Labs/nac3
core: Fix handling of float-to-int32 casts
Out-of-bound conversions should be wrapped around.
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parent
447eb9c387
commit
7a5a2db842
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@ -477,12 +477,16 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
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resolver: None,
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codegen_callback: Some(Arc::new(GenCall::new(Box::new(
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|ctx, _, fun, args, generator| {
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let int32 = ctx.primitives.int32;
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let int64 = ctx.primitives.int64;
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let uint32 = ctx.primitives.uint32;
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let uint64 = ctx.primitives.uint64;
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let float = ctx.primitives.float;
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let boolean = ctx.primitives.bool;
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let PrimitiveStore {
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int32,
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int64,
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uint32,
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uint64,
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float,
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bool: boolean,
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..
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} = ctx.primitives;
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let arg_ty = fun.0.args[0].ty;
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let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty)?;
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Ok(if ctx.unifier.unioned(arg_ty, boolean) {
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@ -512,15 +516,21 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
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.into(),
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)
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} else if ctx.unifier.unioned(arg_ty, float) {
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let val = ctx
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let to_int64 = ctx
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.builder
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.build_float_to_signed_int(
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arg.into_float_value(),
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ctx.ctx.i64_type(),
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"",
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);
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let val = ctx.builder
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.build_int_truncate(
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to_int64,
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ctx.ctx.i32_type(),
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"fptosi",
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)
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.into();
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Some(val)
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"conv",
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);
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Some(val.into())
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} else {
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unreachable!()
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})
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@ -542,12 +552,16 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
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resolver: None,
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codegen_callback: Some(Arc::new(GenCall::new(Box::new(
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|ctx, _, fun, args, generator| {
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let int32 = ctx.primitives.int32;
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let int64 = ctx.primitives.int64;
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let uint32 = ctx.primitives.uint32;
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let uint64 = ctx.primitives.uint64;
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let float = ctx.primitives.float;
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let boolean = ctx.primitives.bool;
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let PrimitiveStore {
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int32,
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int64,
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uint32,
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uint64,
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float,
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bool: boolean,
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..
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} = ctx.primitives;
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let arg_ty = fun.0.args[0].ty;
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let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty)?;
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Ok(
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@ -609,12 +623,16 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
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resolver: None,
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codegen_callback: Some(Arc::new(GenCall::new(Box::new(
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|ctx, _, fun, args, generator| {
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let int32 = ctx.primitives.int32;
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let int64 = ctx.primitives.int64;
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let uint32 = ctx.primitives.uint32;
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let uint64 = ctx.primitives.uint64;
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let float = ctx.primitives.float;
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let boolean = ctx.primitives.bool;
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let PrimitiveStore {
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int32,
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int64,
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uint32,
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uint64,
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float,
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bool: boolean,
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..
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} = ctx.primitives;
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let arg_ty = fun.0.args[0].ty;
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let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty)?;
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let res = if ctx.unifier.unioned(arg_ty, boolean) {
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@ -661,12 +679,16 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
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resolver: None,
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codegen_callback: Some(Arc::new(GenCall::new(Box::new(
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|ctx, _, fun, args, generator| {
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let int32 = ctx.primitives.int32;
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let int64 = ctx.primitives.int64;
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let uint32 = ctx.primitives.uint32;
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let uint64 = ctx.primitives.uint64;
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let float = ctx.primitives.float;
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let boolean = ctx.primitives.bool;
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let PrimitiveStore {
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int32,
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int64,
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uint32,
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uint64,
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float,
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bool: boolean,
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..
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} = ctx.primitives;
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let arg_ty = fun.0.args[0].ty;
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let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty)?;
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let res = if ctx.unifier.unioned(arg_ty, int32)
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@ -727,6 +749,13 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
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.build_signed_int_to_float(arg, ctx.ctx.f64_type(), "sitofp")
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.into();
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Some(val)
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} else if [uint32, uint64].iter().any(|ty| ctx.unifier.unioned(arg_ty, *ty)) {
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let arg = arg.into_int_value();
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let val = ctx
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.builder
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.build_unsigned_int_to_float(arg, ctx.ctx.f64_type(), "uitofp")
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.into();
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Some(val)
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} else if ctx.unifier.unioned(arg_ty, float) {
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Some(arg)
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} else {
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