about summary refs log tree commit diff
path: root/tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs
diff options
context:
space:
mode:
authorGuillaume Gomez <guillaume1.gomez@gmail.com>2025-07-21 14:34:12 +0200
committerGuillaume Gomez <guillaume1.gomez@gmail.com>2025-07-22 14:28:48 +0200
commita27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch)
treeb033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/issues/issue-73338-effecient-cmp.rs
parented93c1783b404d728d4809973a0550eb33cd293f (diff)
downloadrust-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.rs39
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
+}