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Diffstat (limited to 'tests/mir-opt/dest-prop/branch.rs')
-rw-r--r-- | tests/mir-opt/dest-prop/branch.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/mir-opt/dest-prop/branch.rs b/tests/mir-opt/dest-prop/branch.rs new file mode 100644 index 000000000..898c908b1 --- /dev/null +++ b/tests/mir-opt/dest-prop/branch.rs @@ -0,0 +1,27 @@ +//! Tests that assignment in both branches of an `if` are eliminated. +// unit-test: DestinationPropagation +fn val() -> i32 { + 1 +} + +fn cond() -> bool { + true +} + +// EMIT_MIR branch.foo.DestinationPropagation.diff +fn foo() -> i32 { + let x = val(); + + let y = if cond() { + x + } else { + val(); + x + }; + + y +} + +fn main() { + foo(); +} |