From 40f0172c6aed0b2fb055c19108d226f8fb410f8c Mon Sep 17 00:00:00 2001 From: Alice Ryhl Date: Fri, 3 May 2024 14:32:01 +0200 Subject: Add -Zfixed-x18 Signed-off-by: Alice Ryhl --- tests/codegen/fixed-x18.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 tests/codegen/fixed-x18.rs (limited to 'tests/codegen') diff --git a/tests/codegen/fixed-x18.rs b/tests/codegen/fixed-x18.rs new file mode 100644 index 00000000000..4997a39a726 --- /dev/null +++ b/tests/codegen/fixed-x18.rs @@ -0,0 +1,22 @@ +// Test that the `reserve-x18` target feature is (not) emitted when +// the `-Zfixed-x18` flag is (not) set. + +//@ revisions: unset set +//@ needs-llvm-components: aarch64 +//@ compile-flags: --target aarch64-unknown-none +//@ [set] compile-flags: -Zfixed-x18 + +#![crate_type = "lib"] +#![feature(no_core, lang_items)] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +#[no_mangle] +pub fn foo() { + // CHECK: @foo() unnamed_addr #0 + + // unset-NOT: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+reserve-x18{{.*}} } + // set: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+reserve-x18{{.*}} } +} -- cgit 1.4.1-3-g733a5