From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/codegen/issue-73338-effecient-cmp.rs | 39 +++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/test/codegen/issue-73338-effecient-cmp.rs (limited to 'src/test/codegen/issue-73338-effecient-cmp.rs') diff --git a/src/test/codegen/issue-73338-effecient-cmp.rs b/src/test/codegen/issue-73338-effecient-cmp.rs new file mode 100644 index 000000000..85c2bbfd0 --- /dev/null +++ b/src/test/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 +} -- cgit v1.2.3