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Sema: first pass reworking for AIR memory layout

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This commit is contained in:
Andrew Kelley
2021-07-13 21:49:22 -07:00
parent f17a05bfb7
commit dbd3529d1f
3 changed files with 286 additions and 297 deletions
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50
src/Module.zig
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@@ -1232,22 +1232,52 @@ pub const Scope = struct {
ty: Type,
operand: Air.Inst.Ref,
) error{OutOfMemory}!Air.Inst.Ref {
return block.addInst(.{
.tag = tag,
.data = .{ .ty_op = .{
.ty = try block.sema.addType(ty),
.operand = operand,
} },
});
}
pub fn addUnOp(
block: *Block,
tag: Air.Inst.Tag,
operand: Air.Inst.Ref,
) error{OutOfMemory}!Air.Inst.Ref {
return block.addInst(.{
.tag = tag,
.data = .{ .un_op = operand },
});
}
pub fn addBinOp(
block: *Block,
tag: Air.Inst.Tag,
lhs: Air.Inst.Ref,
rhs: Air.Inst.Ref,
) error{OutOfMemory}!Air.Inst.Ref {
return block.addInst(.{
.tag = tag,
.data = .{ .bin_op = .{
.lhs = lhs,
.rhs = rhs,
} },
});
}
pub fn addInst(block: *Block, inst: Air.Inst) error{OutOfMemory}!Air.Inst.Ref {
const sema = block.sema;
const gpa = sema.gpa;
try sema.air_instructions.ensureUnusedCapacity(gpa, 1);
try block.instructions.ensureUnusedCapacity(gpa, 1);
const inst = @intCast(Air.Inst.Index, sema.air_instructions.len);
sema.air_instructions.appendAssumeCapacity(.{
.tag = tag,
.data = .{ .ty_op = .{
.ty = try sema.addType(ty),
.operand = operand,
} },
});
block.instructions.appendAssumeCapacity(inst);
return Sema.indexToRef(inst);
const result_index = @intCast(Air.Inst.Index, sema.air_instructions.len);
sema.air_instructions.appendAssumeCapacity(inst);
block.instructions.appendAssumeCapacity(result_index);
return Sema.indexToRef(result_index);
}
};
};