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add constcast and immutable free

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Valdemar Høgsvig Lorenzen
2026-07-22 00:44:35 +02:00
parent 5f343ad2d3
commit 9c6215776e
12 changed files with 256 additions and 11 deletions
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compiler/llvm/llvm.odin
+11 -1
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@@ -287,7 +287,7 @@ valid_value :: proc(
.Load_Global, .Function_Address, .Address_Of, .Load, .Union_Tag, .Slice, .Length, .Slice_Ptr,
.Fallible_Error, .Extract, .Select, .Unwrap,
.Optional_Is_Some, .Optional_Value, .Orelse,
.Widen, .Sum_Widen, .C_Coerce, .C_Vararg_Promote, .Retype, .Scalar_Cast, .Pointer_Cast, .Weaken_Pointer, .Weaken_Slice, .Decay_Array_Pointer,
.Widen, .Sum_Widen, .C_Coerce, .C_Vararg_Promote, .Retype, .Scalar_Cast, .Pointer_Cast, .Const_Cast, .Weaken_Pointer, .Weaken_Slice, .Decay_Array_Pointer,
.Neg_Checked, .Add_Checked, .Sub_Checked, .Mul_Checked, .Div_Checked,
.Div_Trunc_Checked, .Div_Floor_Checked, .Div_Exact_Checked, .Div_Ceil_Checked,
.Rem_Checked, .Mod_Checked,
@@ -1930,6 +1930,16 @@ emit_instruction_stream :: proc(
continue
}
fmt.sbprintf(&emitter.builder, " %%v%d = select i1 true, ptr %%v%d, ptr null\n", instruction_index, instruction.a)
case .Const_Cast:
if !valid_instruction(instructions, instruction.a) ||
!types.same_constcast_shape(instructions[instruction.a].type, instruction.type, &emitter.module.types) {
emit_recovery_value(emitter, instruction_index, instruction, "invalid const cast operand")
continue
}
type_name := llvm_type(instruction.type, &emitter.module.types)
fmt.sbprintf(&emitter.builder, " %%v%d = select i1 true, %s ", instruction_index, type_name)
write_operand(&emitter.builder, instructions, instruction.a, instructions[instruction.a].type, &emitter.module.types)
fmt.sbprintf(&emitter.builder, ", %s zeroinitializer\n", type_name)
case .Weaken_Slice:
if !valid_instruction(instructions, instruction.a) ||
!types.can_weaken_slice(instructions[instruction.a].type, instruction.type, &emitter.module.types) {