| //@ add-minicore |
| //@ revisions: win linux |
| //@ min-llvm-version: 22 |
| // |
| //@ compile-flags: -Copt-level=3 |
| //@[linux] compile-flags: --target x86_64-unknown-linux-gnu |
| //@[linux] needs-llvm-components: x86 |
| //@[win] compile-flags: --target x86_64-pc-windows-msvc |
| //@[win] needs-llvm-components: x86 |
| |
| #![crate_type = "lib"] |
| #![feature(no_core, lang_items, explicit_tail_calls)] |
| #![allow(incomplete_features)] |
| #![no_core] |
| |
| // Test passing of i128/u128, which is passed directly on x86, but indirectly on win64. |
| |
| extern crate minicore; |
| use minicore::*; |
| |
| // linux: define noundef i128 @foo(i128 noundef %a, i128 noundef %b) |
| // win: define <16 x i8> @foo(ptr {{.*}} %a, ptr {{.*}} %b) |
| #[unsafe(no_mangle)] |
| #[inline(never)] |
| extern "C" fn foo(a: u128, b: u128) -> u128 { |
| // linux: start: |
| // linux-NEXT: musttail call noundef i128 @bar(i128 noundef %b, i128 noundef %a) |
| // |
| // |
| // win: start: |
| // win-NEXT: %0 = load i128, ptr %b |
| // win-NEXT: %1 = load i128, ptr %a |
| // win-NEXT: store i128 %0, ptr %a |
| // win-NEXT: store i128 %1, ptr %b |
| // win-NEXT: musttail call <16 x i8> @bar(ptr {{.*}} %a, ptr {{.*}} %b) |
| become bar(b, a) |
| } |
| |
| unsafe extern "C" { |
| safe fn bar(a: u128, b: u128) -> u128; |
| } |
