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print_air: print new Liveness data

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`try`, `try_ptr`, and `block` now have extra payloads.
This commit is contained in:
mlugg 2023-04-10 09:55:51 +01:00
parent 02a8b66b00
commit 4486f27126
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GPG Key ID: 58978E823BDE3EF9
1 changed files with 44 additions and 0 deletions
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44
src/print_air.zig
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@ -389,6 +389,10 @@ const Writer = struct {
const ty_pl = w.air.instructions.items(.data)[inst].ty_pl;
const extra = w.air.extraData(Air.Block, ty_pl.payload);
const body = w.air.extra[extra.end..][0..extra.data.body_len];
const liveness_block = if (w.liveness) |liveness|
liveness.getBlock(inst)
else
Liveness.BlockSlices{ .deaths = &.{} };
try w.writeType(s, w.air.getRefType(ty_pl.ty));
if (w.skip_body) return s.writeAll(", ...");
@ -399,6 +403,10 @@ const Writer = struct {
w.indent = old_indent;
try s.writeByteNTimes(' ', w.indent);
try s.writeAll("}");
for (liveness_block.deaths) |operand| {
try s.print(" %{d}!", .{operand});
}
}
fn writeLoop(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
@ -737,22 +745,44 @@ const Writer = struct {
const pl_op = w.air.instructions.items(.data)[inst].pl_op;
const extra = w.air.extraData(Air.Try, pl_op.payload);
const body = w.air.extra[extra.end..][0..extra.data.body_len];
const liveness_condbr = if (w.liveness) |liveness|
liveness.getCondBr(inst)
else
Liveness.CondBrSlices{ .then_deaths = &.{}, .else_deaths = &.{} };
try w.writeOperand(s, inst, 0, pl_op.operand);
if (w.skip_body) return s.writeAll(", ...");
try s.writeAll(", {\n");
const old_indent = w.indent;
w.indent += 2;
if (liveness_condbr.else_deaths.len != 0) {
try s.writeByteNTimes(' ', w.indent);
for (liveness_condbr.else_deaths, 0..) |operand, i| {
if (i != 0) try s.writeAll(" ");
try s.print("%{d}!", .{operand});
}
try s.writeAll("\n");
}
try w.writeBody(s, body);
w.indent = old_indent;
try s.writeByteNTimes(' ', w.indent);
try s.writeAll("}");
for (liveness_condbr.then_deaths) |operand| {
try s.print(" %{d}!", .{operand});
}
}
fn writeTryPtr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
const ty_pl = w.air.instructions.items(.data)[inst].ty_pl;
const extra = w.air.extraData(Air.TryPtr, ty_pl.payload);
const body = w.air.extra[extra.end..][0..extra.data.body_len];
const liveness_condbr = if (w.liveness) |liveness|
liveness.getCondBr(inst)
else
Liveness.CondBrSlices{ .then_deaths = &.{}, .else_deaths = &.{} };
try w.writeOperand(s, inst, 0, extra.data.ptr);
@ -762,10 +792,24 @@ const Writer = struct {
try s.writeAll(", {\n");
const old_indent = w.indent;
w.indent += 2;
if (liveness_condbr.else_deaths.len != 0) {
try s.writeByteNTimes(' ', w.indent);
for (liveness_condbr.else_deaths, 0..) |operand, i| {
if (i != 0) try s.writeAll(" ");
try s.print("%{d}!", .{operand});
}
try s.writeAll("\n");
}
try w.writeBody(s, body);
w.indent = old_indent;
try s.writeByteNTimes(' ', w.indent);
try s.writeAll("}");
for (liveness_condbr.then_deaths) |operand| {
try s.print(" %{d}!", .{operand});
}
}
fn writeCondBr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {