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use element count in slices, not size in bytes

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This allows the indexing bounds check or other comparisons against an
element length to avoid a multiplication by the size.
This commit is contained in:
Daniel Micay 2013-10-15 00:37:32 -04:00
parent aa93381e14
commit e1a26ad271
10 changed files with 154 additions and 76 deletions
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22
src/test/debug-info/vec-slices.rs
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@ -13,33 +13,33 @@
// debugger:rbreak zzz
// debugger:run
// debugger:finish
// debugger:print empty.size_in_bytes
// debugger:print empty.length
// check:$1 = 0
// debugger:print singleton.size_in_bytes
// check:$2 = 8
// debugger:print singleton.length
// check:$2 = 1
// debugger:print *((int64_t[1]*)(singleton.data_ptr))
// check:$3 = {1}
// debugger:print multiple.size_in_bytes
// check:$4 = 32
// debugger:print multiple.length
// check:$4 = 4
// debugger:print *((int64_t[4]*)(multiple.data_ptr))
// check:$5 = {2, 3, 4, 5}
// debugger:print slice_of_slice.size_in_bytes
// check:$6 = 16
// debugger:print slice_of_slice.length
// check:$6 = 2
// debugger:print *((int64_t[2]*)(slice_of_slice.data_ptr))
// check:$7 = {3, 4}
// debugger:print padded_tuple.size_in_bytes
// check:$8 = 16
// debugger:print padded_tuple.length
// check:$8 = 2
// debugger:print padded_tuple.data_ptr[0]
// check:$9 = {6, 7}
// debugger:print padded_tuple.data_ptr[1]
// check:$10 = {8, 9}
// debugger:print padded_struct.size_in_bytes
// check:$11 = 24
// debugger:print padded_struct.length
// check:$11 = 2
// debugger:print padded_struct.data_ptr[0]
// check:$12 = {x = 10, y = 11, z = 12}
// debugger:print padded_struct.data_ptr[1]