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Fix -Z print-type-sizes and tests.

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This was done by sorting the fields by increasing offset; as a consequence, the order of -Z print-type-sizes matches memory order not source order.
This commit is contained in:
Austin Hicks 2016-11-26 14:37:15 -05:00
parent 025456e8a4
commit cfe1a776ee
4 changed files with 35 additions and 33 deletions
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7
src/librustc/session/code_stats.rs
View File

@ -142,7 +142,12 @@ impl CodeStats {
max_variant_size = cmp::max(max_variant_size, size);
let mut min_offset = discr_size;
for field in fields {
// We want to print fields by increasing offset.
let mut fields = fields.clone();
fields.sort_by_key(|f| f.offset);
for field in fields.iter() {
let FieldInfo { ref name, offset, size, align } = *field;
// Include field alignment in output only if it caused padding injection

35
src/test/ui/print_type_sizes/nullable.stdout
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@ -1,25 +1,22 @@
print-type-size type: `IndirectNonZero<u32>`: 20 bytes, alignment: 4 bytes
print-type-size field `.pre`: 1 bytes
print-type-size padding: 3 bytes
print-type-size field `.nested`: 12 bytes, alignment: 4 bytes
print-type-size type: `IndirectNonZero<u32>`: 12 bytes, alignment: 4 bytes
print-type-size field `.nested`: 8 bytes
print-type-size field `.post`: 2 bytes
print-type-size end padding: 2 bytes
print-type-size type: `MyOption<IndirectNonZero<u32>>`: 20 bytes, alignment: 4 bytes
print-type-size variant `Some`: 20 bytes
print-type-size field `.0`: 20 bytes
print-type-size type: `EmbeddedDiscr`: 12 bytes, alignment: 4 bytes
print-type-size variant `Record`: 10 bytes
print-type-size field `.pre`: 1 bytes
print-type-size padding: 3 bytes
print-type-size field `.val`: 4 bytes, alignment: 4 bytes
print-type-size field `.pre`: 1 bytes
print-type-size end padding: 1 bytes
print-type-size type: `MyOption<IndirectNonZero<u32>>`: 12 bytes, alignment: 4 bytes
print-type-size variant `Some`: 12 bytes
print-type-size field `.0`: 12 bytes
print-type-size type: `EmbeddedDiscr`: 8 bytes, alignment: 4 bytes
print-type-size variant `Record`: 7 bytes
print-type-size field `.val`: 4 bytes
print-type-size field `.post`: 2 bytes
print-type-size end padding: 2 bytes
print-type-size type: `NestedNonZero<u32>`: 12 bytes, alignment: 4 bytes
print-type-size field `.pre`: 1 bytes
print-type-size padding: 3 bytes
print-type-size field `.val`: 4 bytes, alignment: 4 bytes
print-type-size field `.pre`: 1 bytes
print-type-size end padding: 1 bytes
print-type-size type: `NestedNonZero<u32>`: 8 bytes, alignment: 4 bytes
print-type-size field `.val`: 4 bytes
print-type-size field `.post`: 2 bytes
print-type-size end padding: 2 bytes
print-type-size field `.pre`: 1 bytes
print-type-size end padding: 1 bytes
print-type-size type: `MyOption<core::nonzero::NonZero<u32>>`: 4 bytes, alignment: 4 bytes
print-type-size variant `Some`: 4 bytes
print-type-size field `.0`: 4 bytes

10
src/test/ui/print_type_sizes/packed.stdout
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@ -1,13 +1,11 @@
print-type-size type: `Padded`: 16 bytes, alignment: 4 bytes
print-type-size type: `Padded`: 12 bytes, alignment: 4 bytes
print-type-size field `.g`: 4 bytes
print-type-size field `.h`: 2 bytes
print-type-size field `.a`: 1 bytes
print-type-size field `.b`: 1 bytes
print-type-size padding: 2 bytes
print-type-size field `.g`: 4 bytes, alignment: 4 bytes
print-type-size field `.c`: 1 bytes
print-type-size padding: 1 bytes
print-type-size field `.h`: 2 bytes, alignment: 2 bytes
print-type-size field `.d`: 1 bytes
print-type-size end padding: 3 bytes
print-type-size end padding: 2 bytes
print-type-size type: `Packed`: 10 bytes, alignment: 1 bytes
print-type-size field `.a`: 1 bytes
print-type-size field `.b`: 1 bytes

16
src/test/ui/print_type_sizes/padding.stdout
View File

@ -1,10 +1,12 @@
print-type-size type: `E1`: 12 bytes, alignment: 4 bytes
print-type-size discriminant: 4 bytes
print-type-size variant `A`: 5 bytes
print-type-size field `.0`: 4 bytes
print-type-size discriminant: 1 bytes
print-type-size variant `A`: 7 bytes
print-type-size field `.1`: 1 bytes
print-type-size variant `B`: 8 bytes
print-type-size field `.0`: 8 bytes
print-type-size padding: 2 bytes
print-type-size field `.0`: 4 bytes, alignment: 4 bytes
print-type-size variant `B`: 11 bytes
print-type-size padding: 3 bytes
print-type-size field `.0`: 8 bytes, alignment: 4 bytes
print-type-size type: `E2`: 12 bytes, alignment: 4 bytes
print-type-size discriminant: 1 bytes
print-type-size variant `A`: 7 bytes
@ -15,7 +17,7 @@ print-type-size variant `B`: 11 bytes
print-type-size padding: 3 bytes
print-type-size field `.0`: 8 bytes, alignment: 4 bytes
print-type-size type: `S`: 8 bytes, alignment: 4 bytes
print-type-size field `.g`: 4 bytes
print-type-size field `.a`: 1 bytes
print-type-size field `.b`: 1 bytes
print-type-size padding: 2 bytes
print-type-size field `.g`: 4 bytes, alignment: 4 bytes
print-type-size end padding: 2 bytes