Improve type inferrence for binops

examples/loops.reid

@@ -1,17 +1,6 @@
 // Arithmetic, function calls and imports!
 
-import std::print;
-import std::from_str;
-import std::add_num_to_str;
-import std::free_string;
-
 fn main() -> u32 {
-  for i in 0 .. 15 {
-    let mut text = from_str("num: ");
-    add_num_to_str(&mut text, i);
-    print(text);
-    free_string(&text);
-  }
 
   let mut num = 0;
   while num < 10 {

examples/or_bitwise.reid

@@ -0,0 +1,10 @@
+// Arithmetic, function calls and imports!
+
+
+fn main() -> bool {
+  let bwand = (0xff & 0xf0) >> 4;
+  let bwor = (0x0fu32 | 0x00) << 4;
+  let bwxor = (0xf0 | 0x0f);
+
+  return (bwxor == 255) && ((bwand == 15) || false) && (bwor == 240);
+}

examples/test.reid

@@ -0,0 +1,7 @@
+// Arithmetic, function calls and imports!
+
+
+fn main() -> bool {
+
+  return 5.0 > -1;
+}

reid-llvm-lib/src/builder.rs

@@ -410,6 +410,8 @@ impl Builder {
                     }
                 }
                 Instr::And(lhs, rhs) => match_types(&lhs, &rhs, &self).map(|_| ()),
+                Instr::Or(lhs, rhs) => match_types(&lhs, &rhs, &self).map(|_| ()),
+                Instr::XOr(lhs, rhs) => match_types(&lhs, &rhs, &self).map(|_| ()),
                 Instr::ICmp(_, lhs, rhs) => {
                     let t = match_types(&lhs, &rhs, self)?;
                     if t.category().comparable() || !t.category().integer() {
@@ -528,6 +530,30 @@ impl Builder {
                 Instr::PtrToInt(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
                 Instr::IntToPtr(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
                 Instr::BitCast(..) => Ok(()),
+                Instr::ShiftRightLogical(_, rhs) => {
+                    let rhs_ty = rhs.get_type(&self)?;
+                    if rhs_ty.category() == TypeCategory::UnsignedInteger {
+                        Ok(())
+                    } else {
+                        Err(ErrorKind::Null)
+                    }
+                }
+                Instr::ShiftRightArithmetic(_, rhs) => {
+                    let rhs_ty = rhs.get_type(&self)?;
+                    if rhs_ty.category() == TypeCategory::UnsignedInteger {
+                        Ok(())
+                    } else {
+                        Err(ErrorKind::Null)
+                    }
+                }
+                Instr::ShiftLeft(_, rhs) => {
+                    let rhs_ty = rhs.get_type(&self)?;
+                    if rhs_ty.category() == TypeCategory::UnsignedInteger {
+                        Ok(())
+                    } else {
+                        Err(ErrorKind::Null)
+                    }
+                }
             }
         }
     }
@@ -614,6 +640,8 @@ impl InstructionValue {
                 SRem(lhs, rhs) => match_types(lhs, rhs, &builder),
                 FRem(lhs, rhs) => match_types(lhs, rhs, &builder),
                 And(lhs, rhs) => match_types(lhs, rhs, &builder),
+                Or(lhs, rhs) => match_types(lhs, rhs, &builder),
+                XOr(lhs, rhs) => match_types(lhs, rhs, &builder),
                 ICmp(_, _, _) => Ok(Type::Bool),
                 FCmp(_, _, _) => Ok(Type::Bool),
                 FunctionCall(function_value, _) => Ok(builder.function_data(function_value).ret),
@@ -674,6 +702,9 @@ impl InstructionValue {
                 PtrToInt(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
                 IntToPtr(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
                 BitCast(_, ty) => Ok(ty.clone()),
+                ShiftRightLogical(lhs, _) => lhs.get_type(builder),
+                ShiftRightArithmetic(lhs, _) => lhs.get_type(builder),
+                ShiftLeft(lhs, _) => lhs.get_type(builder),
             }
         }
     }

reid-llvm-lib/src/compile.rs

@@ -975,6 +975,31 @@ impl InstructionHolder {
                     ty.as_llvm(module.context_ref, &module.types),
                     name.as_ptr(),
                 ),
+                Or(lhs, rhs) => {
+                    let lhs_val = module.values.get(&lhs).unwrap().value_ref;
+                    let rhs_val = module.values.get(&rhs).unwrap().value_ref;
+                    LLVMBuildOr(module.builder_ref, lhs_val, rhs_val, name.as_ptr())
+                }
+                XOr(lhs, rhs) => {
+                    let lhs_val = module.values.get(&lhs).unwrap().value_ref;
+                    let rhs_val = module.values.get(&rhs).unwrap().value_ref;
+                    LLVMBuildXor(module.builder_ref, lhs_val, rhs_val, name.as_ptr())
+                }
+                ShiftRightLogical(lhs, rhs) => {
+                    let lhs_val = module.values.get(&lhs).unwrap().value_ref;
+                    let rhs_val = module.values.get(&rhs).unwrap().value_ref;
+                    LLVMBuildLShr(module.builder_ref, lhs_val, rhs_val, name.as_ptr())
+                }
+                ShiftRightArithmetic(lhs, rhs) => {
+                    let lhs_val = module.values.get(&lhs).unwrap().value_ref;
+                    let rhs_val = module.values.get(&rhs).unwrap().value_ref;
+                    LLVMBuildAShr(module.builder_ref, lhs_val, rhs_val, name.as_ptr())
+                }
+                ShiftLeft(lhs, rhs) => {
+                    let lhs_val = module.values.get(&lhs).unwrap().value_ref;
+                    let rhs_val = module.values.get(&rhs).unwrap().value_ref;
+                    LLVMBuildShl(module.builder_ref, lhs_val, rhs_val, name.as_ptr())
+                }
             }
         };
         if let Some(record) = &self.record {

reid-llvm-lib/src/fmt.rs

@@ -9,10 +9,10 @@ use crate::{
     CmpPredicate, Context, Instr, InstructionData, TerminatorKind,
     builder::*,
     debug_information::{
-        DebugArrayType, DebugBasicType, DebugFieldType, DebugInformation, DebugLocalVariable,
-        DebugLocation, DebugLocationValue, DebugMetadata, DebugMetadataValue, DebugParamVariable,
-        DebugPointerType, DebugPosition, DebugProgramValue, DebugRecordKind, DebugScopeValue,
-        DebugStructType, DebugSubprogramType, DebugTypeData, DebugTypeHolder, DebugTypeValue,
+        DebugArrayType, DebugBasicType, DebugFieldType, DebugInformation, DebugLocalVariable, DebugLocation,
+        DebugLocationValue, DebugMetadata, DebugMetadataValue, DebugParamVariable, DebugPointerType, DebugPosition,
+        DebugProgramValue, DebugRecordKind, DebugScopeValue, DebugStructType, DebugSubprogramType, DebugTypeData,
+        DebugTypeHolder, DebugTypeValue,
     },
     pad_adapter::PadAdapter,
 };
@@ -68,11 +68,7 @@ impl FunctionHolder {
             .map(|p| format!("{:?}", p))
             .collect::<Vec<_>>()
             .join(", ");
-        write!(
-            f,
-            "fn {}({}) -> {:?} ",
-            self.data.name, params, self.data.ret
-        )?;
+        write!(f, "fn {}({}) -> {:?} ", self.data.name, params, self.data.ret)?;
 
         writeln!(f, "{{")?;
         let mut state = Default::default();
@@ -116,11 +112,7 @@ impl BlockHolder {
             terminator.builder_fmt(&mut inner, builder, debug)?;
         }
         if let Some(location) = self.data.terminator_location {
-            writeln!(
-                inner,
-                "  ^  (At {}) ",
-                debug.as_ref().unwrap().get_location(location)
-            )?;
+            writeln!(inner, "  ^  (At {}) ", debug.as_ref().unwrap().get_location(location))?;
         }
 
         Ok(())
@@ -148,11 +140,7 @@ impl InstructionHolder {
                 writeln!(f, "  (Debug {} {})", record.variable.hr(debug), kind)?;
             }
         }
-        writeln!(
-            f,
-            "{:?} ({}) = {:?} ",
-            self.value, self.name, self.data.kind
-        )?;
+        writeln!(f, "{:?} ({}) = {:?} ", self.value, self.name, self.data.kind)?;
         if let Some(debug) = debug {
             if let Some(location) = self.data.location {
                 writeln!(f, "  ^  (At {}) ", debug.get_location(location))?;
@@ -188,9 +176,9 @@ impl TerminatorKind {
 impl DebugMetadataValue {
     fn hr(&self, debug: &DebugInformation) -> String {
         let kind = match debug.get_metadata(*self) {
-            DebugMetadata::ParamVar(DebugParamVariable {
-                name, arg_idx, ty, ..
-            }) => format!("param {} (idx {}) (type {:?}) ", name, arg_idx, ty),
+            DebugMetadata::ParamVar(DebugParamVariable { name, arg_idx, ty, .. }) => {
+                format!("param {} (idx {}) (type {:?}) ", name, arg_idx, ty)
+            }
             DebugMetadata::LocalVar(DebugLocalVariable { name, ty, .. }) => {
                 format!("var {} (type {:?}) ", name, ty)
             }
@@ -253,14 +241,11 @@ impl Debug for FunctionHolder {
 impl Debug for BlockHolder {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let deleted = if self.data.deleted { " (deleted)" } else { "" };
-        f.debug_tuple(&format!(
-            "{}[{:?}]{} ",
-            &self.data.name, &self.value, deleted
-        ))
-        .field(&self.instructions)
-        .field(&self.data.terminator)
-        .field(&self.data.terminator_location)
-        .finish()
+        f.debug_tuple(&format!("{}[{:?}]{} ", &self.data.name, &self.value, deleted))
+            .field(&self.instructions)
+            .field(&self.data.terminator)
+            .field(&self.data.terminator_location)
+            .finish()
     }
 }
 
@@ -303,11 +288,7 @@ impl Debug for BlockValue {
 
 impl Debug for InstructionValue {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(
-            f,
-            "%{}.{}.{}.{}",
-            self.0.0.0.0, self.0.0.1, self.0.1, self.1
-        )
+        write!(f, "%{}.{}.{}.{}", self.0.0.0.0, self.0.0.1, self.0.1, self.1)
     }
 }
 
@@ -369,9 +350,7 @@ impl Debug for Instr {
                 fmt_index(f, instruction_value, &index.to_string())?;
                 write!(f, ")")
             }
-            Instr::ExtractValue(instruction_value, index) => {
-                fmt_index(f, instruction_value, &index.to_string())
-            }
+            Instr::ExtractValue(instruction_value, index) => fmt_index(f, instruction_value, &index.to_string()),
             Instr::Trunc(instr_val, ty) => {
                 write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
             }
@@ -408,6 +387,11 @@ impl Debug for Instr {
             Instr::BitCast(instr_val, ty) => {
                 write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
             }
+            Instr::Or(lhs, rhs) => fmt_binop(f, lhs, &"||", rhs),
+            Instr::XOr(lhs, rhs) => fmt_binop(f, lhs, &"^", rhs),
+            Instr::ShiftRightLogical(lhs, rhs) => fmt_binop(f, lhs, &">>l", rhs),
+            Instr::ShiftRightArithmetic(lhs, rhs) => fmt_binop(f, lhs, &">>a", rhs),
+            Instr::ShiftLeft(lhs, rhs) => fmt_binop(f, lhs, &"<<", rhs),
         }
     }
 }
@@ -579,11 +563,7 @@ impl Debug for DebugScopeValue {
         write!(
             f,
             "Scope[{}]",
-            self.0
-                .iter()
-                .map(|v| v.to_string())
-                .collect::<Vec<_>>()
-                .join(", ")
+            self.0.iter().map(|v| v.to_string()).collect::<Vec<_>>().join(", ")
         )
     }
 }

reid-llvm-lib/src/lib.rs

@@ -251,6 +251,11 @@ impl Instr {
             Instr::PtrToInt(_, _) => "ptrtoint",
             Instr::IntToPtr(_, _) => "inttoptr",
             Instr::BitCast(_, _) => "bitcast",
+            Instr::Or(..) => "or",
+            Instr::XOr(..) => "xor",
+            Instr::ShiftRightLogical(..) => "lshr",
+            Instr::ShiftRightArithmetic(..) => "ashr",
+            Instr::ShiftLeft(..) => "shl",
         }
     }
 }
@@ -369,7 +374,14 @@ pub enum Instr {
     SRem(InstructionValue, InstructionValue),
     /// Get the remainder from two floats
     FRem(InstructionValue, InstructionValue),
+
     And(InstructionValue, InstructionValue),
+    Or(InstructionValue, InstructionValue),
+    XOr(InstructionValue, InstructionValue),
+    ShiftRightLogical(InstructionValue, InstructionValue),
+    ShiftRightArithmetic(InstructionValue, InstructionValue),
+    ShiftLeft(InstructionValue, InstructionValue),
+
     Phi(Vec<InstructionValue>),
 
     Alloca(Type),

reid/src/ast/lexer.rs

@@ -88,6 +88,10 @@ pub enum Token {
     LessThan,
     /// `&`
     Et,
+    /// `|`
+    Pipe,
+    /// `^`
+    Hat,
     /// `!`
     Exclamation,
 
@@ -174,6 +178,8 @@ impl ToString for Token {
             Token::GreaterThan => String::from('>'),
             Token::LessThan => String::from('<'),
             Token::Et => String::from('&'),
+            Token::Pipe => String::from('|'),
+            Token::Hat => String::from('^'),
             Token::Exclamation => String::from('!'),
             Token::ParenOpen => String::from('('),
             Token::ParenClose => String::from(')'),
@@ -411,6 +417,8 @@ pub fn tokenize<T: Into<String>>(to_tokenize: T) -> Result<Vec<FullToken>, Error
             '>' => Token::GreaterThan,
             '<' => Token::LessThan,
             '&' => Token::Et,
+            '|' => Token::Pipe,
+            '^' => Token::Hat,
             '!' => Token::Exclamation,
             '(' => Token::ParenOpen,
             ')' => Token::ParenClose,

reid/src/ast/mod.rs

@@ -116,7 +116,14 @@ pub enum BinaryOperator {
     Div,
     Mod,
 
+    BitshiftRight,
+    BitshiftLeft,
+
     And,
+    Or,
+    Xor,
+    BWAnd,
+    BWOr,
     LT,
     LE,
     GT,
@@ -126,7 +133,7 @@ pub enum BinaryOperator {
 }
 
 impl BinaryOperator {
-    pub fn get_precedence(&self) -> i8 {
+    pub fn get_precedence(&self) -> u8 {
         use BinaryOperator::*;
         match &self {
             Minus => 5,
@@ -134,13 +141,20 @@ impl BinaryOperator {
             Mult => 15,
             Div => 20,
             Mod => 20,
-            And => 100,
-            LT => 100,
-            LE => 100,
-            GT => 100,
-            GE => 100,
-            EQ => 100,
-            NE => 100,
+            BWAnd => 90,
+            BWOr => 90,
+            BWXor => 90,
+            BitshiftLeft => 100,
+            BitshiftRight => 100,
+            And => 150,
+            Or => 150,
+            Xor => 150,
+            LT => 150,
+            LE => 150,
+            GT => 150,
+            GE => 150,
+            EQ => 150,
+            NE => 150,
         }
     }
 }

reid/src/ast/parse.rs

@@ -488,6 +488,10 @@ impl Parse for BinaryOperator {
                 stream.next();
                 BinaryOperator::And
             }
+            (Some(Token::Pipe), Some(Token::Pipe)) => {
+                stream.next();
+                BinaryOperator::Or
+            }
             (Some(Token::LessThan), Some(Token::Equals)) => {
                 stream.next();
                 BinaryOperator::LE
@@ -504,6 +508,18 @@ impl Parse for BinaryOperator {
                 stream.next();
                 BinaryOperator::NE
             }
+            (Some(Token::GreaterThan), Some(Token::GreaterThan)) => {
+                stream.next();
+                BinaryOperator::BitshiftRight
+            }
+            (Some(Token::LessThan), Some(Token::LessThan)) => {
+                stream.next();
+                BinaryOperator::BitshiftLeft
+            }
+
+            (Some(Token::Hat), _) => BinaryOperator::Xor,
+            (Some(Token::Et), _) => BinaryOperator::BWAnd,
+            (Some(Token::Pipe), _) => BinaryOperator::BWOr,
 
             (Some(Token::LessThan), _) => BinaryOperator::LT,
             (Some(Token::GreaterThan), _) => BinaryOperator::GT,

reid/src/ast/process.rs

@@ -446,15 +446,21 @@ impl ast::BinaryOperator {
             ast::BinaryOperator::Add => mir::BinaryOperator::Add,
             ast::BinaryOperator::Minus => mir::BinaryOperator::Minus,
             ast::BinaryOperator::Mult => mir::BinaryOperator::Mult,
-            ast::BinaryOperator::And => mir::BinaryOperator::And,
             ast::BinaryOperator::Div => mir::BinaryOperator::Div,
             ast::BinaryOperator::Mod => mir::BinaryOperator::Mod,
+            ast::BinaryOperator::And => mir::BinaryOperator::And,
+            ast::BinaryOperator::Or => mir::BinaryOperator::Or,
             ast::BinaryOperator::LT => mir::BinaryOperator::Cmp(mir::CmpOperator::LT),
             ast::BinaryOperator::LE => mir::BinaryOperator::Cmp(mir::CmpOperator::LE),
             ast::BinaryOperator::GT => mir::BinaryOperator::Cmp(mir::CmpOperator::GT),
             ast::BinaryOperator::GE => mir::BinaryOperator::Cmp(mir::CmpOperator::GE),
             ast::BinaryOperator::EQ => mir::BinaryOperator::Cmp(mir::CmpOperator::EQ),
             ast::BinaryOperator::NE => mir::BinaryOperator::Cmp(mir::CmpOperator::NE),
+            ast::BinaryOperator::BitshiftRight => mir::BinaryOperator::BitshiftRight,
+            ast::BinaryOperator::BitshiftLeft => mir::BinaryOperator::BitshiftLeft,
+            ast::BinaryOperator::Xor => mir::BinaryOperator::Xor,
+            ast::BinaryOperator::BWAnd => mir::BinaryOperator::BitAnd,
+            ast::BinaryOperator::BWOr => mir::BinaryOperator::BitOr,
         }
     }
 }

reid/src/codegen/intrinsics.rs

@@ -1,3 +1,5 @@
+use std::ops::BitAnd;
+
 use reid_lib::{builder::InstructionValue, CmpPredicate, ConstValue, Instr, Type};
 
 use crate::{
@@ -84,6 +86,21 @@ where
     }
 }
 
+fn complex_binop_def<T: Clone + 'static>(op: BinaryOperator, lhs: &TypeKind, rhs: &TypeKind, fun: T) -> BinopDefinition
+where
+    T: FnOnce(&mut Scope, InstructionValue, InstructionValue) -> InstructionValue,
+{
+    BinopDefinition {
+        lhs: ("lhs".to_owned(), lhs.clone()),
+        op,
+        rhs: ("rhs".to_owned(), rhs.clone()),
+        return_type: lhs.clone(),
+        fn_kind: FunctionDefinitionKind::Intrinsic(Box::new(IntrinsicSimpleInstr(fun))),
+        meta: Default::default(),
+        exported: false,
+    }
+}
+
 fn boolean_binop_def<T: Clone + 'static>(op: BinaryOperator, ty: &TypeKind, fun: T) -> BinopDefinition
 where
     T: FnOnce(&mut Scope, InstructionValue, InstructionValue) -> InstructionValue,
@@ -145,6 +162,39 @@ pub fn form_intrinsic_binops() -> Vec<BinopDefinition> {
         intrinsics.push(boolean_binop_def(Cmp(CmpOperator::LE), &ty, |scope, lhs, rhs| {
             scope.block.build(Instr::ICmp(CmpPredicate::LE, lhs, rhs)).unwrap()
         }));
+
+        // Bitwise operations
+        intrinsics.push(simple_binop_def(BitOr, &ty, |scope, lhs, rhs| {
+            scope.block.build(Instr::Or(lhs, rhs)).unwrap()
+        }));
+        intrinsics.push(simple_binop_def(BitAnd, &ty, |scope, lhs, rhs| {
+            scope.block.build(Instr::And(lhs, rhs)).unwrap()
+        }));
+
+        intrinsics.push(complex_binop_def(Xor, &ty, &TypeKind::U64, |scope, lhs, rhs| {
+            scope.block.build(Instr::XOr(lhs, rhs)).unwrap()
+        }));
+        if ty.signed() {
+            intrinsics.push(complex_binop_def(
+                BitshiftRight,
+                &ty,
+                &TypeKind::U64,
+                |scope, lhs, rhs| scope.block.build(Instr::ShiftRightArithmetic(lhs, rhs)).unwrap(),
+            ));
+        } else {
+            intrinsics.push(complex_binop_def(
+                BitshiftRight,
+                &ty,
+                &TypeKind::U64,
+                |scope, lhs, rhs| scope.block.build(Instr::ShiftRightLogical(lhs, rhs)).unwrap(),
+            ));
+        }
+        intrinsics.push(complex_binop_def(
+            BitshiftLeft,
+            &ty,
+            &TypeKind::U64,
+            |scope, lhs, rhs| scope.block.build(Instr::ShiftLeft(lhs, rhs)).unwrap(),
+        ));
     }
     for ty in INTEGERS.iter().chain(&[TypeKind::Bool, TypeKind::Char]) {
         intrinsics.push(boolean_binop_def(Cmp(CmpOperator::EQ), &ty, |scope, lhs, rhs| {
@@ -195,6 +245,12 @@ pub fn form_intrinsic_binops() -> Vec<BinopDefinition> {
     intrinsics.push(boolean_binop_def(And, &TypeKind::Bool, |scope, lhs, rhs| {
         scope.block.build(Instr::And(lhs, rhs)).unwrap()
     }));
+    intrinsics.push(boolean_binop_def(Or, &TypeKind::Bool, |scope, lhs, rhs| {
+        scope.block.build(Instr::Or(lhs, rhs)).unwrap()
+    }));
+    intrinsics.push(boolean_binop_def(Xor, &TypeKind::Bool, |scope, lhs, rhs| {
+        scope.block.build(Instr::XOr(lhs, rhs)).unwrap()
+    }));
 
     intrinsics
 }

reid/src/codegen/mod.rs

@@ -885,6 +885,30 @@ impl mir::Expression {
                                 .maybe_location(&mut scope.block, location);
                             Instr::Sub(lhs, mul)
                         }
+                        (mir::BinaryOperator::Or, true, true) => todo!(),
+                        (mir::BinaryOperator::Or, true, false) => todo!(),
+                        (mir::BinaryOperator::Or, false, true) => todo!(),
+                        (mir::BinaryOperator::Or, false, false) => todo!(),
+                        (mir::BinaryOperator::Xor, true, true) => todo!(),
+                        (mir::BinaryOperator::Xor, true, false) => todo!(),
+                        (mir::BinaryOperator::Xor, false, true) => todo!(),
+                        (mir::BinaryOperator::Xor, false, false) => todo!(),
+                        (mir::BinaryOperator::BitOr, true, true) => todo!(),
+                        (mir::BinaryOperator::BitOr, true, false) => todo!(),
+                        (mir::BinaryOperator::BitOr, false, true) => todo!(),
+                        (mir::BinaryOperator::BitOr, false, false) => todo!(),
+                        (mir::BinaryOperator::BitAnd, true, true) => todo!(),
+                        (mir::BinaryOperator::BitAnd, true, false) => todo!(),
+                        (mir::BinaryOperator::BitAnd, false, true) => todo!(),
+                        (mir::BinaryOperator::BitAnd, false, false) => todo!(),
+                        (mir::BinaryOperator::BitshiftRight, true, true) => todo!(),
+                        (mir::BinaryOperator::BitshiftRight, true, false) => todo!(),
+                        (mir::BinaryOperator::BitshiftRight, false, true) => todo!(),
+                        (mir::BinaryOperator::BitshiftRight, false, false) => todo!(),
+                        (mir::BinaryOperator::BitshiftLeft, true, true) => todo!(),
+                        (mir::BinaryOperator::BitshiftLeft, true, false) => todo!(),
+                        (mir::BinaryOperator::BitshiftLeft, false, true) => todo!(),
+                        (mir::BinaryOperator::BitshiftLeft, false, false) => todo!(),
                     };
                     Some(StackValue(
                         StackValueKind::Immutable(

reid/src/mir/fmt.rs

@@ -352,6 +352,12 @@ impl Display for BinaryOperator {
             BinaryOperator::Cmp(op) => Display::fmt(op, f),
             BinaryOperator::Div => write!(f, "/"),
             BinaryOperator::Mod => write!(f, "%"),
+            BinaryOperator::Or => write!(f, "||"),
+            BinaryOperator::Xor => write!(f, "^"),
+            BinaryOperator::BitOr => write!(f, "|"),
+            BinaryOperator::BitAnd => write!(f, "&"),
+            BinaryOperator::BitshiftRight => write!(f, ">>"),
+            BinaryOperator::BitshiftLeft => write!(f, "<<"),
         }
     }
 }

reid/src/mir/implement.rs

@@ -26,40 +26,6 @@ enum BlockReturn<'b> {
 }
 
 impl TypeKind {
-    /// Return the type that is the result of a binary operator between two
-    /// values of this type
-    pub fn simple_binop_type(&self, op: &BinaryOperator) -> Option<TypeKind> {
-        if !self.category().is_simple_maths() {
-            return None;
-        }
-        Some(match op {
-            BinaryOperator::Add => self.clone(),
-            BinaryOperator::Minus => self.clone(),
-            BinaryOperator::Mult => self.clone(),
-            BinaryOperator::And => TypeKind::Bool,
-            BinaryOperator::Cmp(_) => TypeKind::Bool,
-            BinaryOperator::Div => self.clone(),
-            BinaryOperator::Mod => self.clone(),
-        })
-    }
-
-    /// Reverse of binop_type, where the given hint is the known required output
-    /// type of the binop, and the output is the hint for the lhs/rhs type.
-    pub fn simple_binop_hint(&self, op: &BinaryOperator) -> Option<TypeKind> {
-        if !self.category().is_simple_maths() {
-            return None;
-        }
-        match op {
-            BinaryOperator::Add
-            | BinaryOperator::Minus
-            | BinaryOperator::Mult
-            | BinaryOperator::Div
-            | BinaryOperator::Mod => Some(self.clone()),
-            BinaryOperator::And => None,
-            BinaryOperator::Cmp(_) => None,
-        }
-    }
-
     pub fn signed(&self) -> bool {
         match self {
             TypeKind::Bool => false,
@@ -240,6 +206,12 @@ impl BinaryOperator {
                 CmpOperator::EQ => true,
                 CmpOperator::NE => true,
             },
+            BinaryOperator::Or => true,
+            BinaryOperator::Xor => true,
+            BinaryOperator::BitOr => true,
+            BinaryOperator::BitAnd => true,
+            BinaryOperator::BitshiftRight => false,
+            BinaryOperator::BitshiftLeft => false,
         }
     }
 }
@@ -507,6 +479,12 @@ impl Expression {
                     }
                     maybe(lhs.num_value()?, rhs.num_value()?, |a, b| a % b)
                 }
+                BinaryOperator::Or => None,
+                BinaryOperator::Xor => maybe(lhs.num_value()?, rhs.num_value()?, |a, b| a ^ b),
+                BinaryOperator::BitOr => maybe(lhs.num_value()?, rhs.num_value()?, |a, b| a | b),
+                BinaryOperator::BitAnd => maybe(lhs.num_value()?, rhs.num_value()?, |a, b| a & b),
+                BinaryOperator::BitshiftRight => maybe(lhs.num_value()?, rhs.num_value()?, |a, b| a >> b),
+                BinaryOperator::BitshiftLeft => maybe(lhs.num_value()?, rhs.num_value()?, |a, b| a << b),
             },
             ExprKind::FunctionCall(..) => None,
             ExprKind::If(_) => None,

reid/src/mir/mod.rs

@@ -222,6 +222,12 @@ pub enum BinaryOperator {
     Div,
     Mod,
     And,
+    Or,
+    Xor,
+    BitOr,
+    BitAnd,
+    BitshiftRight,
+    BitshiftLeft,
     Cmp(CmpOperator),
 }
 

reid/src/mir/typecheck/mod.rs

@@ -135,7 +135,14 @@ impl TypeKind {
                 | TypeKind::U16
                 | TypeKind::U32
                 | TypeKind::U64
-                | TypeKind::U128 => Ok(other.clone()),
+                | TypeKind::U128
+                | TypeKind::F16
+                | TypeKind::F32B
+                | TypeKind::F32
+                | TypeKind::F64
+                | TypeKind::F80
+                | TypeKind::F128
+                | TypeKind::F128PPC => Ok(other.clone()),
                 _ => Err(ErrorKind::TypesIncompatible(self.clone(), other.clone())),
             },
             (TypeKind::Vague(Vague::Decimal), other) | (other, TypeKind::Vague(Vague::Decimal)) => match other {

reid/src/mir/typecheck/typecheck.rs

@@ -431,6 +431,7 @@ impl Expression {
                     params: (lhs_type.clone(), rhs_type.clone()),
                     operator: *op,
                 });
+                // dbg!(&lhs_type, &rhs_type, &binops, &ret_ty, &expected_return_ty);
                 if let Some(binop) = binops
                     .iter()
                     .filter(|f| f.1.return_ty.narrow_into(&expected_return_ty).is_ok())

reid/src/mir/typecheck/typeinference.rs

@@ -390,6 +390,9 @@ impl Expression {
                         widened_rhs = widened_rhs.widen_into(&binop.hands.1);
                     }
                     let binop_res = type_refs.from_binop(*op, &lhs_ref, &rhs_ref);
+                    // dbg!(&return_ty);
+                    // dbg!(&binop_res);
+                    // dbg!(&lhs_ref, &rhs_ref, &binops, &widened_lhs, &widened_rhs);
                     lhs_ref.narrow(&type_refs.from_type(&widened_lhs).unwrap());
                     rhs_ref.narrow(&type_refs.from_type(&widened_rhs).unwrap());
                     *return_ty = binop_res.as_type();

reid/src/mir/typecheck/typerefs.rs

@@ -332,21 +332,56 @@ impl<'outer> ScopeTypeRefs<'outer> {
                 .widen(self.types);
             self.narrow_to_type(&hint1, &ty)?;
             let hint1_typeref = self.types.retrieve_typeref(*hint1.0.borrow()).unwrap();
+            let hint2_typeref = self.types.retrieve_typeref(*hint2.0.borrow()).unwrap();
+
+            match (&hint1_typeref, &hint2_typeref) {
+                (TypeRefKind::Direct(ret_ty), TypeRefKind::BinOp(op, lhs, rhs)) => {
+                    let mut lhs_ref = self.from_type(&lhs).unwrap();
+                    let mut rhs_ref = self.from_type(&rhs).unwrap();
+                    let binops = self.available_binops(op, &mut lhs_ref, &mut rhs_ref);
+                    let mut binops = binops
+                        .iter()
+                        .filter(|b| b.return_ty.narrow_into(ret_ty).is_ok())
+                        .into_iter();
+
+                    if let Some(binop) = binops.next() {
+                        let mut lhs_widened = binop.hands.0.clone();
+                        let mut rhs_widened = binop.hands.1.clone();
+                        while let Some(binop) = binops.next() {
+                            lhs_widened = lhs_widened.widen_into(&binop.hands.0);
+                            rhs_widened = rhs_widened.widen_into(&binop.hands.1);
+                        }
+
+                        lhs_ref.narrow(&self.from_type(&lhs_widened).unwrap());
+                        rhs_ref.narrow(&self.from_type(&rhs_widened).unwrap());
+                    }
+                }
+                _ => {}
+            }
+
             for idx in self.types.type_refs.borrow_mut().iter_mut() {
-                match hint1_typeref {
-                    TypeRefKind::Direct(_) => {
+                match (&hint1_typeref, &hint2_typeref) {
+                    (TypeRefKind::Direct(_), TypeRefKind::Direct(_)) => {
                         if *idx == hint2.0 && idx != &hint1.0 {
                             *idx.borrow_mut() = *hint1.0.borrow();
                         }
                     }
-                    TypeRefKind::BinOp(_, _, _) => {
+                    (TypeRefKind::Direct(_), TypeRefKind::BinOp(..)) => {}
+                    (TypeRefKind::BinOp(..), TypeRefKind::Direct(..)) => {
                         // TODO may not be good ?
                         // if *idx == hint2.0 && idx != &hint1.0 {
                         //     *idx.borrow_mut() = *hint1.0.borrow();
                         // }
                     }
+                    (TypeRefKind::BinOp(..), TypeRefKind::BinOp(..)) => {
+                        // TODO may not be good ?
+                        if *idx == hint2.0 && idx != &hint1.0 {
+                            *idx.borrow_mut() = *hint1.0.borrow();
+                        }
+                    }
                 }
             }
+
             Some(TypeRef(hint1.0.clone(), self))
         }
     }