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Pass 'leading_trailing_zeroes'

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This commit is contained in:
David Gonzalez Martin 2025-06-18 21:06:32 -06:00
parent b5c5f9682f
commit 88978ef50b
1 changed files with 36 additions and 2 deletions
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38
src/compiler.bbb
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@ -820,6 +820,8 @@ LLVMTargetMachineOptions = opaque;
LLVMIntrinsicIndex = enum u32
{
"llvm.ctlz",
"llvm.cttz",
"llvm.smax",
"llvm.smin",
"llvm.trap",
@ -1880,6 +1882,8 @@ UnaryId = enum
dereference,
pointer_from_int,
enum_from_int,
leading_zeroes,
trailing_zeroes,
}
unary_is_boolean = fn (id: UnaryId) u1
@ -3936,12 +3940,14 @@ ValueIntrinsic = enum
integer_max,
int_from_enum,
int_from_pointer,
leading_zeroes,
max,
min,
pointer_cast,
pointer_from_int,
select,
string_to_enum,
trailing_zeroes,
trap,
truncate,
va_start,
@ -5415,6 +5421,8 @@ parse_left = fn (module: &Module, scope: &Scope, builder: ValueBuilder) &Value
.pointer_cast,
.pointer_from_int,
.va_end,
.leading_zeroes,
.trailing_zeroes,
=>
{
>id: UnaryId = undefined;
@ -5426,9 +5434,11 @@ parse_left = fn (module: &Module, scope: &Scope, builder: ValueBuilder) &Value
.extend => { id = .extend; },
.int_from_enum => { id = .int_from_enum; },
.int_from_pointer => { id = .int_from_pointer; },
.truncate => { id = .truncate; },
.leading_zeroes => { id = .leading_zeroes; },
.pointer_cast => { id = .pointer_cast; },
.pointer_from_int => { id = .pointer_from_int; },
.trailing_zeroes => { id = .trailing_zeroes; },
.truncate => { id = .truncate; },
.va_end => { id = .va_end; },
else => { unreachable; },
}
@ -5664,7 +5674,6 @@ parse_left = fn (module: &Module, scope: &Scope, builder: ValueBuilder) &Value
skip_space(module);
expect_character(module, right_parenthesis);
result.& = {
.content = {
.field_parent_pointer = {
@ -5676,6 +5685,7 @@ parse_left = fn (module: &Module, scope: &Scope, builder: ValueBuilder) &Value
zero,
};
},
else => { unreachable; },
}
},
.left_bracket =>
@ -10411,6 +10421,8 @@ analyze_type = fn (module: &Module, value: &Value, expected_type: &Type, analysi
.exclamation,
.va_end,
.bitwise_not,
.leading_zeroes,
.trailing_zeroes,
=>
{
>is_boolean = unary_is_boolean(unary_id);
@ -14268,6 +14280,27 @@ emit_value = fn (module: &Module, value: &Value, type_kind: TypeKind, expect_con
{
llvm_value = LLVMBuildNot(module.llvm.builder, llvm_unary_value, "");
},
.leading_zeroes,
.trailing_zeroes,
=>
{
>intrinsic_index: LLVMIntrinsicIndex = undefined;
switch (unary_id)
{
.leading_zeroes => { intrinsic_index = ."llvm.ctlz"; },
.trailing_zeroes => { intrinsic_index = ."llvm.cttz"; },
else => { unreachable; },
}
>u1_type = uint1(module);
resolve_type_in_place(module, u1_type);
>zero_is_poison = LLVMConstNull(u1_type.llvm.abi);
>types: [_]&LLVMType = [ destination_type ];
>values: [_]&LLVMValue = [ llvm_unary_value, zero_is_poison ];
llvm_value = emit_intrinsic_call(module, intrinsic_index, types[..], values[..]);
},
else => { #trap(); },
}
},
@ -17763,6 +17796,7 @@ names: [_][]u8 =
"bool_pair",
"min_max",
"field_parent_pointer",
"leading_trailing_zeroes",
];
[export] main = fn [cc(c)] (argument_count: u32, argv: &&u8, envp: &&u8) s32