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| author | Matthew Jasper <mjjasper1@gmail.com> | 2019-05-25 20:13:53 +0100 |
|---|---|---|
| committer | Matthew Jasper <mjjasper1@gmail.com> | 2019-06-13 21:05:21 +0100 |
| commit | 89ea69ab238d1d61d00a44e72061f6794d937255 (patch) | |
| tree | 48d57c2c4e266eabca8e2339fe774b2e18770e86 | |
| parent | df3de7b4b3e91a4a8d2bbea60970d74d445c3da0 (diff) | |
| download | rust-89ea69ab238d1d61d00a44e72061f6794d937255.tar.gz rust-89ea69ab238d1d61d00a44e72061f6794d937255.zip | |
Add a test for simple matches
| -rw-r--r-- | src/test/mir-opt/simple-match.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/mir-opt/simple-match.rs b/src/test/mir-opt/simple-match.rs new file mode 100644 index 00000000000..fc1a3bb1bf4 --- /dev/null +++ b/src/test/mir-opt/simple-match.rs @@ -0,0 +1,39 @@ +// Test that we don't generate unnecessarily large MIR for very simple matches + +fn match_bool(x: bool) -> usize { + match x { + true => 10, + _ => 20, + } +} + +fn main() {} + + +// END RUST SOURCE +// START rustc.match_bool.mir_map.0.mir +// bb0: { +// FakeRead(ForMatchedPlace, _1); +// switchInt(_1) -> [false: bb3, otherwise: bb2]; +// } +// bb1 (cleanup): { +// resume; +// } +// bb2: { +// falseEdges -> [real: bb4, imaginary: bb3]; +// } +// bb3: { +// _0 = const 20usize; +// goto -> bb5; +// } +// bb4: { +// _0 = const 10usize; +// goto -> bb5; +// } +// bb5: { +// goto -> bb6; +// } +// bb6: { +// return; +// } +// END rustc.match_bool.mir_map.0.mir |