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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/codegen/integer-cmp.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/integer-cmp.rs')
-rw-r--r-- | tests/codegen/integer-cmp.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/codegen/integer-cmp.rs b/tests/codegen/integer-cmp.rs new file mode 100644 index 000000000..8ada3cf09 --- /dev/null +++ b/tests/codegen/integer-cmp.rs @@ -0,0 +1,28 @@ +// This is test for more optimal Ord implementation for integers. +// See <https://github.com/rust-lang/rust/issues/63758> for more info. + +// compile-flags: -C opt-level=3 + +#![crate_type = "lib"] + +use std::cmp::Ordering; + +// CHECK-LABEL: @cmp_signed +#[no_mangle] +pub fn cmp_signed(a: i64, b: i64) -> Ordering { +// CHECK: icmp slt +// CHECK: icmp ne +// CHECK: zext i1 +// CHECK: select i1 + a.cmp(&b) +} + +// CHECK-LABEL: @cmp_unsigned +#[no_mangle] +pub fn cmp_unsigned(a: u32, b: u32) -> Ordering { +// CHECK: icmp ult +// CHECK: icmp ne +// CHECK: zext i1 +// CHECK: select i1 + a.cmp(&b) +} |