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cbe: prevent access of inactive union field in unimplemented instructions

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Veikka Tuominen 2022-11-28 13:04:32 +02:00
parent a67ea4a4ae
commit 3281494dc5
1 changed files with 0 additions and 18 deletions
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18
src/codegen/c.zig
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@ -5285,30 +5285,12 @@ fn airSplat(f: *Function, inst: Air.Inst.Index) !CValue {
fn airSelect(f: *Function, inst: Air.Inst.Index) !CValue {
if (f.liveness.isUnused(inst)) return CValue.none;
const inst_ty = f.air.typeOfIndex(inst);
const ty_pl = f.air.instructions.items(.data)[inst].ty_pl;
const writer = f.object.writer();
const local = try f.allocLocal(inst_ty, .Const);
try writer.writeAll(" = ");
_ = local;
_ = ty_pl;
return f.fail("TODO: C backend: implement airSelect", .{});
}
fn airShuffle(f: *Function, inst: Air.Inst.Index) !CValue {
if (f.liveness.isUnused(inst)) return CValue.none;
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 writer = f.object.writer();
const local = try f.allocLocal(inst_ty, .Const);
try writer.writeAll(" = ");
_ = operand;
_ = local;
return f.fail("TODO: C backend: implement airShuffle", .{});
}