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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs')
| -rw-r--r-- | tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs b/tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs new file mode 100644 index 00000000000..71641a5457b --- /dev/null +++ b/tests/codegen-llvm/issues/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 +} |
