Commit f8b779c114
Changed files (1)
src
codegen
src/codegen/c.zig
@@ -395,6 +395,27 @@ pub const Function = struct {
.shl, => try airBinBuiltinCall(f, inst, "shlw", .Bits),
.shl_exact => try airBinOp(f, inst, "<<", "shl", .None),
.not => try airNot (f, inst),
+
+ .is_err => try airIsErr(f, inst, false, "!="),
+ .is_non_err => try airIsErr(f, inst, false, "=="),
+ .is_err_ptr => try airIsErr(f, inst, true, "!="),
+ .is_non_err_ptr => try airIsErr(f, inst, true, "=="),
+
+ .is_null => try airIsNull(f, inst, "==", false),
+ .is_non_null => try airIsNull(f, inst, "!=", false),
+ .is_null_ptr => try airIsNull(f, inst, "==", true),
+ .is_non_null_ptr => try airIsNull(f, inst, "!=", true),
+
+ .get_union_tag => try airGetUnionTag(f, inst),
+ .clz => try airUnBuiltinCall(f, inst, "clz", .Bits),
+ .ctz => try airUnBuiltinCall(f, inst, "ctz", .Bits),
+ .popcount => try airUnBuiltinCall(f, inst, "popcount", .Bits),
+ .byte_swap => try airUnBuiltinCall(f, inst, "byte_swap", .Bits),
+ .bit_reverse => try airUnBuiltinCall(f, inst, "bit_reverse", .Bits),
+ .tag_name => try airTagName(f, inst),
+ .error_name => try airErrorName(f, inst),
+
+ .ptrtoint => try airPtrToInt(f, inst),
else => unreachable,
// zig fmt: on
}
@@ -422,6 +443,7 @@ pub const Function = struct {
try w.writeByte('.');
return f.writeCValue(w, member, .Other);
},
+ .inline_index => unreachable, // Use resolveInstNoInline
else => return f.object.dg.writeCValueMember(w, c_value, member),
}
}
@@ -2591,15 +2613,15 @@ fn genBody(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail, OutO
.optional_payload_ptr_set => try airOptionalPayloadPtrSet(f, inst),
.wrap_optional => try airWrapOptional(f, inst),
- .is_err => try airIsErr(f, inst, false, "!="),
- .is_non_err => try airIsErr(f, inst, false, "=="),
- .is_err_ptr => try airIsErr(f, inst, true, "!="),
- .is_non_err_ptr => try airIsErr(f, inst, true, "=="),
+ .is_err => CValue{ .inline_index = inst },
+ .is_non_err => CValue{ .inline_index = inst },
+ .is_err_ptr => CValue{ .inline_index = inst },
+ .is_non_err_ptr => CValue{ .inline_index = inst },
- .is_null => try airIsNull(f, inst, "==", false),
- .is_non_null => try airIsNull(f, inst, "!=", false),
- .is_null_ptr => try airIsNull(f, inst, "==", true),
- .is_non_null_ptr => try airIsNull(f, inst, "!=", true),
+ .is_null => CValue{ .inline_index = inst },
+ .is_non_null => CValue{ .inline_index = inst },
+ .is_null_ptr => CValue{ .inline_index = inst },
+ .is_non_null_ptr => CValue{ .inline_index = inst },
.alloc => try airAlloc(f, inst),
.ret_ptr => try airRetPtr(f, inst),
@@ -2627,14 +2649,14 @@ fn genBody(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail, OutO
.memset => try airMemset(f, inst),
.memcpy => try airMemcpy(f, inst),
.set_union_tag => try airSetUnionTag(f, inst),
- .get_union_tag => try airGetUnionTag(f, inst),
- .clz => try airUnBuiltinCall(f, inst, "clz", .Bits),
- .ctz => try airUnBuiltinCall(f, inst, "ctz", .Bits),
- .popcount => try airUnBuiltinCall(f, inst, "popcount", .Bits),
- .byte_swap => try airUnBuiltinCall(f, inst, "byte_swap", .Bits),
- .bit_reverse => try airUnBuiltinCall(f, inst, "bit_reverse", .Bits),
- .tag_name => try airTagName(f, inst),
- .error_name => try airErrorName(f, inst),
+ .get_union_tag => CValue{ .inline_index = inst },
+ .clz => CValue{ .inline_index = inst },
+ .ctz => CValue{ .inline_index = inst },
+ .popcount => CValue{ .inline_index = inst },
+ .byte_swap => CValue{ .inline_index = inst },
+ .bit_reverse => CValue{ .inline_index = inst },
+ .tag_name => CValue{ .inline_index = inst },
+ .error_name => CValue{ .inline_index = inst },
.splat => try airSplat(f, inst),
.select => try airSelect(f, inst),
.shuffle => try airShuffle(f, inst),
@@ -2670,7 +2692,7 @@ fn genBody(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail, OutO
.fpext,
=> try airFloatCast(f, inst),
- .ptrtoint => try airPtrToInt(f, inst),
+ .ptrtoint => CValue{ .inline_index = inst },
.atomic_store_unordered => try airAtomicStore(f, inst, toMemoryOrder(.Unordered)),
.atomic_store_monotonic => try airAtomicStore(f, inst, toMemoryOrder(.Monotonic)),
@@ -2754,7 +2776,7 @@ fn airSliceField(f: *Function, inst: Air.Inst.Index, is_ptr: bool, field_name: [
const inst_ty = f.air.typeOfIndex(inst);
const ty_op = f.air.instructions.items(.data)[inst].ty_op;
- const operand = try f.resolveInst(ty_op.operand);
+ const operand = try f.resolveInstNoInline(ty_op.operand);
const writer = f.object.writer();
const local = try f.allocLocal(inst_ty, .Const);
try writer.writeAll(" = ");
@@ -4234,16 +4256,11 @@ fn airIsNull(
inst: Air.Inst.Index,
operator: []const u8,
is_ptr: bool,
-) !CValue {
- if (f.liveness.isUnused(inst))
- return CValue.none;
-
+) !void {
const un_op = f.air.instructions.items(.data)[inst].un_op;
const writer = f.object.writer();
const operand = try f.resolveInst(un_op);
- const local = try f.allocLocal(Type.initTag(.bool), .Const);
- try writer.writeAll(" = ");
try if (is_ptr) f.writeCValueDeref(writer, operand) else f.writeCValue(writer, operand, .Other);
const operand_ty = f.air.typeOf(un_op);
@@ -4271,8 +4288,6 @@ fn airIsNull(
try writer.writeAll(operator);
try writer.writeByte(' ');
try f.object.dg.renderValue(writer, rhs.ty, rhs.val, .Other);
- try writer.writeAll(";\n");
- return local;
}
fn airOptionalPayload(f: *Function, inst: Air.Inst.Index) !CValue {
@@ -4842,21 +4857,15 @@ fn airWrapErrUnionPay(f: *Function, inst: Air.Inst.Index) !CValue {
return local;
}
-fn airIsErr(f: *Function, inst: Air.Inst.Index, is_ptr: bool, operator: []const u8) !CValue {
- if (f.liveness.isUnused(inst))
- return CValue.none;
-
+fn airIsErr(f: *Function, inst: Air.Inst.Index, is_ptr: bool, operator: []const u8) !void {
const un_op = f.air.instructions.items(.data)[inst].un_op;
const writer = f.object.writer();
const operand = try f.resolveInst(un_op);
const operand_ty = f.air.typeOf(un_op);
- const local = try f.allocLocal(Type.initTag(.bool), .Const);
const err_union_ty = if (is_ptr) operand_ty.childType() else operand_ty;
const payload_ty = err_union_ty.errorUnionPayload();
const error_ty = err_union_ty.errorUnionSet();
- try writer.writeAll(" = ");
-
if (!error_ty.errorSetIsEmpty())
if (payload_ty.hasRuntimeBits())
if (is_ptr)
@@ -4871,8 +4880,6 @@ fn airIsErr(f: *Function, inst: Air.Inst.Index, is_ptr: bool, operator: []const
try writer.writeAll(operator);
try writer.writeByte(' ');
try f.object.dg.renderValue(writer, error_ty, Value.zero, .Other);
- try writer.writeAll(";\n");
- return local;
}
fn airArrayToSlice(f: *Function, inst: Air.Inst.Index) !CValue {
@@ -4946,21 +4953,16 @@ fn airFloatCast(f: *Function, inst: Air.Inst.Index) !CValue {
return local;
}
-fn airPtrToInt(f: *Function, inst: Air.Inst.Index) !CValue {
- if (f.liveness.isUnused(inst)) return CValue.none;
-
+fn airPtrToInt(f: *Function, inst: Air.Inst.Index) !void {
const inst_ty = f.air.typeOfIndex(inst);
- const local = try f.allocLocal(inst_ty, .Const);
const un_op = f.air.instructions.items(.data)[inst].un_op;
const writer = f.object.writer();
const operand = try f.resolveInst(un_op);
- try writer.writeAll(" = (");
+ try writer.writeAll("(");
try f.renderTypecast(writer, inst_ty);
try writer.writeByte(')');
try f.writeCValue(writer, operand, .Other);
- try writer.writeAll(";\n");
- return local;
}
fn airUnBuiltinCall(
@@ -4968,24 +4970,19 @@ fn airUnBuiltinCall(
inst: Air.Inst.Index,
operation: []const u8,
info: BuiltinInfo,
-) !CValue {
- if (f.liveness.isUnused(inst)) return CValue.none;
-
- const inst_ty = f.air.typeOfIndex(inst);
+) !void {
const operand = f.air.instructions.items(.data)[inst].ty_op.operand;
const operand_ty = f.air.typeOf(operand);
- const local = try f.allocLocal(inst_ty, .Const);
const writer = f.object.writer();
- try writer.writeAll(" = zig_");
+ try writer.writeAll("zig_");
try writer.writeAll(operation);
try writer.writeByte('_');
try f.object.dg.renderTypeForBuiltinFnName(writer, operand_ty);
try writer.writeByte('(');
try f.writeCValue(writer, try f.resolveInst(operand), .FunctionArgument);
try f.object.dg.renderBuiltinInfo(writer, operand_ty, info);
- try writer.writeAll(");\n");
- return local;
+ try writer.writeAll(")");
}
fn airBinBuiltinCall(
@@ -5258,12 +5255,7 @@ fn airSetUnionTag(f: *Function, inst: Air.Inst.Index) !CValue {
return CValue.none;
}
-fn airGetUnionTag(f: *Function, inst: Air.Inst.Index) !CValue {
- if (f.liveness.isUnused(inst))
- return CValue.none;
-
- const inst_ty = f.air.typeOfIndex(inst);
- const local = try f.allocLocal(inst_ty, .Const);
+fn airGetUnionTag(f: *Function, inst: Air.Inst.Index) !void {
const ty_op = f.air.instructions.items(.data)[inst].ty_op;
const un_ty = f.air.typeOf(ty_op.operand);
const writer = f.object.writer();
@@ -5271,44 +5263,31 @@ fn airGetUnionTag(f: *Function, inst: Air.Inst.Index) !CValue {
const target = f.object.dg.module.getTarget();
const layout = un_ty.unionGetLayout(target);
- if (layout.tag_size == 0) return CValue.none;
+ assert(layout.tag_size != 0);
- try writer.writeAll(" = ");
try f.writeCValue(writer, operand, .Other);
- try writer.writeAll(".tag;\n");
- return local;
+ try writer.writeAll(".tag");
}
-fn airTagName(f: *Function, inst: Air.Inst.Index) !CValue {
- if (f.liveness.isUnused(inst)) return CValue.none;
-
+fn airTagName(f: *Function, inst: Air.Inst.Index) !void {
const un_op = f.air.instructions.items(.data)[inst].un_op;
- const inst_ty = f.air.typeOfIndex(inst);
const enum_ty = f.air.typeOf(un_op);
const operand = try f.resolveInst(un_op);
const writer = f.object.writer();
- const local = try f.allocLocal(inst_ty, .Const);
- try writer.print(" = {s}(", .{try f.object.dg.getTagNameFn(enum_ty)});
+ try writer.print("{s}(", .{try f.object.dg.getTagNameFn(enum_ty)});
try f.writeCValue(writer, operand, .Other);
- try writer.writeAll(");\n");
-
- return local;
+ try writer.writeAll(")");
}
-fn airErrorName(f: *Function, inst: Air.Inst.Index) !CValue {
- if (f.liveness.isUnused(inst)) return CValue.none;
-
+fn airErrorName(f: *Function, inst: Air.Inst.Index) !void {
const un_op = f.air.instructions.items(.data)[inst].un_op;
const writer = f.object.writer();
- const inst_ty = f.air.typeOfIndex(inst);
const operand = try f.resolveInst(un_op);
- const local = try f.allocLocal(inst_ty, .Const);
- try writer.writeAll(" = zig_errorName[");
+ try writer.writeAll("zig_errorName[");
try f.writeCValue(writer, operand, .Other);
- try writer.writeAll("];\n");
- return local;
+ try writer.writeAll("]");
}
fn airSplat(f: *Function, inst: Air.Inst.Index) !CValue {