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-rw-r--r--src/test/mir-opt/lower_array_len.array_len_by_value.InstCombine.diff26
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
+ }
+ }
+