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` --- tests/codegen-llvm/clone-shims.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tests/codegen-llvm/clone-shims.rs (limited to 'tests/codegen-llvm/clone-shims.rs') diff --git a/tests/codegen-llvm/clone-shims.rs b/tests/codegen-llvm/clone-shims.rs new file mode 100644 index 00000000000..06c959f9ee7 --- /dev/null +++ b/tests/codegen-llvm/clone-shims.rs @@ -0,0 +1,15 @@ +// Clone shims for aggregates are generated by just calling the Clone shims for all their members. +// Those calls generate a lot of unnecessary IR if the members are Copy. This test ensures that we +// optimize away those inner calls without needing to inline them. + +//@ compile-flags: -Cno-prepopulate-passes -Csymbol-mangling-version=v0 -Zinline-mir=no +#![crate_type = "lib"] + +pub type Test = (i32, i32, *const i32); +pub static TEST: fn(&Test) -> Test = ::clone; + +// CHECK-NOT: call ::clone +// CHECK-NOT: call <*const i32 as core::clone::Clone>::clone +// CHECK: ; <(i32, i32, *const i32) as core::clone::Clone>::clone +// CHECK-NOT: call ::clone +// CHECK-NOT: call <*const i32 as core::clone::Clone>::clone -- cgit 1.4.1-3-g733a5