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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen/i128-x86-callconv.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen/i128-x86-callconv.rs')
| -rw-r--r-- | tests/codegen/i128-x86-callconv.rs | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/tests/codegen/i128-x86-callconv.rs b/tests/codegen/i128-x86-callconv.rs deleted file mode 100644 index 41c30c09c1a..00000000000 --- a/tests/codegen/i128-x86-callconv.rs +++ /dev/null @@ -1,87 +0,0 @@ -//! Verify that Rust implements the expected calling convention for `i128`/`u128`. - -// Eliminate intermediate instructions during `nop` tests -//@ compile-flags: -Copt-level=1 - -//@ add-core-stubs -//@ revisions: MSVC MINGW softfloat -//@ [MSVC] needs-llvm-components: x86 -//@ [MSVC] compile-flags: --target x86_64-pc-windows-msvc -// Use `WIN` as a common prefix for MSVC and MINGW but *not* the softfloat test. -//@ [MSVC] filecheck-flags: --check-prefix=WIN -//@ [MINGW] needs-llvm-components: x86 -//@ [MINGW] compile-flags: --target x86_64-pc-windows-gnu -//@ [MINGW] filecheck-flags: --check-prefix=WIN -// The `x86_64-unknown-uefi` target also uses the Windows calling convention, -// but does not have SSE registers available. -//@ [softfloat] needs-llvm-components: x86 -//@ [softfloat] compile-flags: --target x86_64-unknown-uefi - -#![crate_type = "lib"] -#![no_std] -#![no_core] -#![feature(no_core, lang_items)] - -extern crate minicore; - -extern "C" { - fn extern_call(arg0: i128); - fn extern_ret() -> i128; -} - -#[no_mangle] -pub extern "C" fn pass(_arg0: u32, arg1: i128) { - // CHECK-LABEL: @pass( - // i128 is passed indirectly on Windows. It should load the pointer to the stack and pass - // a pointer to that allocation. The softfloat ABI works the same. - // CHECK-SAME: %_arg0, ptr{{.*}} %arg1) - // CHECK: [[PASS:%[_0-9]+]] = alloca [16 x i8], align 16 - // CHECK: [[LOADED:%[_0-9]+]] = load i128, ptr %arg1 - // CHECK: store i128 [[LOADED]], ptr [[PASS]] - // CHECK: call void @extern_call - unsafe { extern_call(arg1) }; -} - -// Check that we produce the correct return ABI -#[no_mangle] -pub extern "C" fn ret(_arg0: u32, arg1: i128) -> i128 { - // WIN-LABEL: @ret( - // i128 is returned in xmm0 on Windows - // FIXME(#134288): This may change for the `-msvc` targets in the future. - // WIN-SAME: i32{{.*}} %_arg0, ptr{{.*}} %arg1) - // WIN: [[LOADED:%[_0-9]+]] = load <16 x i8>, ptr %arg1 - // WIN-NEXT: ret <16 x i8> [[LOADED]] - // The softfloat ABI returns this indirectly. - // softfloat-LABEL: i128 @ret(i32{{.*}} %_arg0, ptr{{.*}} %arg1) - arg1 -} - -// Check that we consume the correct return ABI -#[no_mangle] -pub extern "C" fn forward(dst: *mut i128) { - // CHECK-LABEL: @forward - // WIN-SAME: ptr{{.*}} %dst) - // WIN: [[RETURNED:%[_0-9]+]] = tail call <16 x i8> @extern_ret() - // WIN: store <16 x i8> [[RETURNED]], ptr %dst - // WIN: ret void - // softfloat: [[RETURNED:%[_0-9]+]] = tail call {{.*}}i128 @extern_ret() - unsafe { *dst = extern_ret() }; -} - -#[repr(C)] -struct RetAggregate { - a: i32, - b: i128, -} - -#[no_mangle] -pub extern "C" fn ret_aggregate(_arg0: u32, arg1: i128) -> RetAggregate { - // CHECK-LABEL: @ret_aggregate( - // Aggregates should also be returned indirectly - // CHECK-SAME: ptr{{.*}}sret([32 x i8]){{.*}}[[RET:%[_0-9]+]], i32{{.*}}%_arg0, ptr{{.*}}%arg1) - // CHECK: [[LOADED:%[_0-9]+]] = load i128, ptr %arg1 - // CHECK: [[GEP:%[_0-9]+]] = getelementptr{{.*}}, ptr [[RET]] - // CHECK: store i128 [[LOADED]], ptr [[GEP]] - // CHECK: ret void - RetAggregate { a: 1, b: arg1 } -} |
