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stage2: implement @boolToInt

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This is the first commit in which some behavior tests are passing for
both stage1 and stage2.
This commit is contained in:
Andrew Kelley
2021-07-27 17:08:37 -07:00
parent 66e5920dc3
commit dc88864c97
15 changed files with 92 additions and 16 deletions
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15
src/codegen/c.zig
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@@ -925,6 +925,7 @@ fn genBody(o: *Object, body: []const Air.Inst.Index) error{ AnalysisFail, OutOfM
.call => try airCall(o, inst),
.dbg_stmt => try airDbgStmt(o, inst),
.intcast => try airIntCast(o, inst),
.bool_to_int => try airBoolToInt(o, inst),
.load => try airLoad(o, inst),
.ret => try airRet(o, inst),
.store => try airStore(o, inst),
@@ -1083,6 +1084,20 @@ fn airIntCast(o: *Object, inst: Air.Inst.Index) !CValue {
return local;
}
fn airBoolToInt(o: *Object, inst: Air.Inst.Index) !CValue {
if (o.liveness.isUnused(inst))
return CValue.none;
const un_op = o.air.instructions.items(.data)[inst].un_op;
const writer = o.writer();
const inst_ty = o.air.typeOfIndex(inst);
const operand = try o.resolveInst(un_op);
const local = try o.allocLocal(inst_ty, .Const);
try writer.writeAll(" = ");
try o.writeCValue(writer, operand);
try writer.writeAll(";\n");
return local;
}
fn airStore(o: *Object, inst: Air.Inst.Index) !CValue {
// *a = b;
const bin_op = o.air.instructions.items(.data)[inst].bin_op;

10
src/codegen/llvm.zig
View File

@@ -961,6 +961,7 @@ pub const FuncGen = struct {
.alloc => try self.airAlloc(inst),
.arg => try self.airArg(inst),
.bitcast => try self.airBitCast(inst),
.bool_to_int=> try self.airBoolToInt(inst),
.block => try self.airBlock(inst),
.br => try self.airBr(inst),
.switch_br => try self.airSwitchBr(inst),
@@ -1656,6 +1657,15 @@ pub const FuncGen = struct {
return self.builder.buildBitCast(operand, dest_type, "");
}
fn airBoolToInt(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value {
if (self.liveness.isUnused(inst))
return null;
const un_op = self.air.instructions.items(.data)[inst].un_op;
const operand = try self.resolveInst(un_op);
return operand;
}
fn airArg(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value {
const arg_val = self.args[self.arg_index];
self.arg_index += 1;