From a27f3e3fd1e4d16160f8885b6b06665b5319f56c Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 21 Jul 2025 14:34:12 +0200 Subject: Rename `tests/codegen` into `tests/codegen-llvm` --- .../codegen-llvm/comparison-operators-2-struct.rs | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 tests/codegen-llvm/comparison-operators-2-struct.rs (limited to 'tests/codegen-llvm/comparison-operators-2-struct.rs') diff --git a/tests/codegen-llvm/comparison-operators-2-struct.rs b/tests/codegen-llvm/comparison-operators-2-struct.rs new file mode 100644 index 00000000000..e179066ebfd --- /dev/null +++ b/tests/codegen-llvm/comparison-operators-2-struct.rs @@ -0,0 +1,61 @@ +//@ compile-flags: -C opt-level=1 +//@ min-llvm-version: 20 + +// The `derive(PartialOrd)` for a 2-field type doesn't override `lt`/`le`/`gt`/`ge`. +// This double-checks that the `Option` intermediate values used +// in the operators for such a type all optimize away. + +#![crate_type = "lib"] + +use std::cmp::Ordering; + +#[derive(PartialOrd, PartialEq)] +pub struct Foo(i32, u32); + +// CHECK-LABEL: @check_lt( +// CHECK-SAME: i32{{.+}}%[[A0:.+]], i32{{.+}}%[[A1:.+]], i32{{.+}}%[[B0:.+]], i32{{.+}}%[[B1:.+]]) +#[no_mangle] +pub fn check_lt(a: Foo, b: Foo) -> bool { + // CHECK-DAG: %[[EQ:.+]] = icmp eq i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R0:.+]] = icmp slt i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R1:.+]] = icmp ult i32 %[[A1]], %[[B1]] + // CHECK: %[[R:.+]] = select i1 %[[EQ]], i1 %[[R1]], i1 %[[R0]] + // CHECK-NEXT: ret i1 %[[R]] + a < b +} + +// CHECK-LABEL: @check_le( +// CHECK-SAME: i32{{.+}}%[[A0:.+]], i32{{.+}}%[[A1:.+]], i32{{.+}}%[[B0:.+]], i32{{.+}}%[[B1:.+]]) +#[no_mangle] +pub fn check_le(a: Foo, b: Foo) -> bool { + // CHECK-DAG: %[[EQ:.+]] = icmp eq i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R0:.+]] = icmp sle i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R1:.+]] = icmp ule i32 %[[A1]], %[[B1]] + // CHECK: %[[R:.+]] = select i1 %[[EQ]], i1 %[[R1]], i1 %[[R0]] + // CHECK-NEXT: ret i1 %[[R]] + a <= b +} + +// CHECK-LABEL: @check_gt( +// CHECK-SAME: i32{{.+}}%[[A0:.+]], i32{{.+}}%[[A1:.+]], i32{{.+}}%[[B0:.+]], i32{{.+}}%[[B1:.+]]) +#[no_mangle] +pub fn check_gt(a: Foo, b: Foo) -> bool { + // CHECK-DAG: %[[EQ:.+]] = icmp eq i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R0:.+]] = icmp sgt i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R1:.+]] = icmp ugt i32 %[[A1]], %[[B1]] + // CHECK: %[[R:.+]] = select i1 %[[EQ]], i1 %[[R1]], i1 %[[R0]] + // CHECK-NEXT: ret i1 %[[R]] + a > b +} + +// CHECK-LABEL: @check_ge( +// CHECK-SAME: i32{{.+}}%[[A0:.+]], i32{{.+}}%[[A1:.+]], i32{{.+}}%[[B0:.+]], i32{{.+}}%[[B1:.+]]) +#[no_mangle] +pub fn check_ge(a: Foo, b: Foo) -> bool { + // CHECK-DAG: %[[EQ:.+]] = icmp eq i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R0:.+]] = icmp sge i32 %[[A0]], %[[B0]] + // CHECK-DAG: %[[R1:.+]] = icmp uge i32 %[[A1]], %[[B1]] + // CHECK: %[[R:.+]] = select i1 %[[EQ]], i1 %[[R1]], i1 %[[R0]] + // CHECK-NEXT: ret i1 %[[R]] + a >= b +} -- cgit 1.4.1-3-g733a5