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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/issue-73338-effecient-cmp.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/issue-73338-effecient-cmp.rs')
-rw-r--r-- | tests/codegen/issue-73338-effecient-cmp.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/codegen/issue-73338-effecient-cmp.rs b/tests/codegen/issue-73338-effecient-cmp.rs new file mode 100644 index 000000000..85c2bbfd0 --- /dev/null +++ b/tests/codegen/issue-73338-effecient-cmp.rs @@ -0,0 +1,39 @@ +// This test checks that comparison operation +// generated by #[derive(PartialOrd)] +// doesn't contain jumps for C enums + +// compile-flags: -Copt-level=3 + +#![crate_type="lib"] + +#[repr(u32)] +#[derive(Copy, Clone, Eq, PartialEq, PartialOrd)] +pub enum Foo { + Zero, + One, + Two, +} + +#[no_mangle] +pub fn compare_less(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a < b +} + +#[no_mangle] +pub fn compare_le(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a <= b +} + +#[no_mangle] +pub fn compare_ge(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a >= b +} + +#[no_mangle] +pub fn compare_greater(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a > b +} |