diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff b/src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff new file mode 100644 index 000000000..843da758d --- /dev/null +++ b/src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff @@ -0,0 +1,26 @@ +- // MIR for `array_len_by_value` before InstCombine ++ // MIR for `array_len_by_value` after InstCombine + + fn array_len_by_value(_1: [u8; N]) -> usize { + debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:+0:43: +0:46 + let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:+0:60: +0:65 + let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + _3 = &_1; // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + _4 = _3; // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + _2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:+1:7: +1:8 +- _0 = Len((*_4)); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 ++ _0 = const N; // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14 + StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:+1:13: +1:14 + return; // scope 0 at $DIR/lower_array_len.rs:+2:2: +2:2 + } + } + |