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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
commit | 9835e2ae736235810b4ea1c162ca5e65c547e770 (patch) | |
tree | 3fcebf40ed70e581d776a8a4c65923e8ec20e026 /tests/mir-opt/dead-store-elimination | |
parent | Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff) | |
download | rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip |
Merging upstream version 1.71.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/dead-store-elimination')
-rw-r--r-- | tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff | 25 | ||||
-rw-r--r-- | tests/mir-opt/dead-store-elimination/place_mention.rs | 9 |
2 files changed, 34 insertions, 0 deletions
diff --git a/tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff b/tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff new file mode 100644 index 000000000..761c074ed --- /dev/null +++ b/tests/mir-opt/dead-store-elimination/place_mention.main.DeadStoreElimination.diff @@ -0,0 +1,25 @@ +- // MIR for `main` before DeadStoreElimination ++ // MIR for `main` after DeadStoreElimination + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/place_mention.rs:+0:11: +0:11 + let mut _1: (&str, &str); // in scope 0 at $DIR/place_mention.rs:+3:18: +3:36 + scope 1 { + } + + bb0: { + StorageLive(_1); // scope 0 at $DIR/place_mention.rs:+3:18: +3:36 + _1 = (const "Hello", const "World"); // scope 0 at $DIR/place_mention.rs:+3:18: +3:36 + // mir::Constant + // + span: $DIR/place_mention.rs:8:19: 8:26 + // + literal: Const { ty: &str, val: Value(Slice(..)) } + // mir::Constant + // + span: $DIR/place_mention.rs:8:28: 8:35 + // + literal: Const { ty: &str, val: Value(Slice(..)) } + PlaceMention(_1); // scope 0 at $DIR/place_mention.rs:+3:18: +3:36 + StorageDead(_1); // scope 0 at $DIR/place_mention.rs:+3:36: +3:37 + _0 = const (); // scope 0 at $DIR/place_mention.rs:+0:11: +4:2 + return; // scope 0 at $DIR/place_mention.rs:+4:2: +4:2 + } + } + diff --git a/tests/mir-opt/dead-store-elimination/place_mention.rs b/tests/mir-opt/dead-store-elimination/place_mention.rs new file mode 100644 index 000000000..59dc74454 --- /dev/null +++ b/tests/mir-opt/dead-store-elimination/place_mention.rs @@ -0,0 +1,9 @@ +// unit-test: DeadStoreElimination +// compile-flags: -Zmir-keep-place-mention + +// EMIT_MIR place_mention.main.DeadStoreElimination.diff +fn main() { + // Verify that we account for the `PlaceMention` statement as a use of the tuple, + // and don't remove it as a dead store. + let (_, _) = ("Hello", "World"); +} |