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feat: add integer widths and checked numeric conversions

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Valdemar Høgsvig Lorenzen
2026-10-25 22:19:14 +01:00
parent 0385e46295
commit 3e93c6f000
12 changed files with 500 additions and 66 deletions
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source/llvm/llvm.hon
+15 -4
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@@ -123,7 +123,10 @@ bytes_constant proc(output io.Writer, bytes []u8) void ! io.WriteError {
@hide
write_type proc(output io.Writer, module @ir.Module, type Type) void ! io.WriteError {
match type.kind {
.int, .usize: try io.write_all(output, "i64")
.i8, .u8: try io.write_all(output, "i8")
.i16, .u16: try io.write_all(output, "i16")
.i32, .u32: try io.write_all(output, "i32")
.int, .isize, .u64, .usize: try io.write_all(output, "i64")
.float: try io.write_all(output, "double")
.bool: try io.write_all(output, "i1")
.string: try io.write_all(output, "%string")
@@ -243,7 +246,15 @@ emit_global proc(output io.Writer, module @ir.Module, global ir.Global, index us
@hide:file
print_call proc(output io.Writer, module @ir.Module, type Type, operand []u8) void ! io.WriteError {
match type.kind {
.int, .usize: try io.print(" call void @print_integer(i32 1, i64 {s}, i1 {})\n", output, {operand, type.kind == .usize})
.i8, .i16, .i32, .int, .isize, .u8, .u16, .u32, .u64, .usize: {
bits :: ir.integer_bits(type.kind)
unsigned :: ir.unsigned_integer(type.kind)
if (bits < 64) {
extension []u8 :: if (unsigned) "zext" else "sext"
try io.print(" %print_value = {s} i{} {s} to i64\n", output, {extension, bits, operand})
try io.print(" call void @print_integer(i32 1, i64 %print_value, i1 {})\n", output, {unsigned})
} else try io.print(" call void @print_integer(i32 1, i64 {s}, i1 {})\n", output, {operand, unsigned})
}
.float: try io.print(" call void @print_float(double {s})\n", output, {operand})
.bool: try io.print(" call void @print_bool(i1 {s})\n", output, {operand})
.string: try io.print(" call void @print_string(%string {s})\n", output, {operand})
@@ -334,8 +345,8 @@ check_failure proc(state @mut State, condition usize, code diagnostics.Code, spa
@hide
write_constant proc(output io.Writer, module @ir.Module, value ir.Value) void ! io.WriteError {
match value.type {
.int: try io.print("{}", output, {value.data.integer})
.usize: try io.print("{}", output, {value.data.unsigned})
.i8, .i16, .i32, .int, .isize: try io.print("{}", output, {value.data.integer})
.u8, .u16, .u32, .u64, .usize: try io.print("{}", output, {value.data.unsigned})
.float: {
bits :: ptrcast!(@u64, &value.data.real)^
try io.print("bitcast (i64 {} to double)", output, {bits})