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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/cffi/c-variadic-opt.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen/cffi/c-variadic-opt.rs')
| -rw-r--r-- | tests/codegen/cffi/c-variadic-opt.rs | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/tests/codegen/cffi/c-variadic-opt.rs b/tests/codegen/cffi/c-variadic-opt.rs deleted file mode 100644 index 7e544ee7f37..00000000000 --- a/tests/codegen/cffi/c-variadic-opt.rs +++ /dev/null @@ -1,30 +0,0 @@ -//@ compile-flags: -C opt-level=3 - -#![crate_type = "lib"] -#![feature(c_variadic)] -#![no_std] -use core::ffi::VaList; - -extern "C" { - fn vprintf(fmt: *const i8, ap: VaList) -> i32; -} - -// Ensure that `va_start` and `va_end` are properly injected even -// when the "spoofed" `VaListImpl` is not used. -#[no_mangle] -pub unsafe extern "C" fn c_variadic_no_use(fmt: *const i8, mut ap: ...) -> i32 { - // CHECK: call void @llvm.va_start - vprintf(fmt, ap.as_va_list()) - // CHECK: call void @llvm.va_end -} - -// Check that `VaListImpl::clone` gets inlined into a direct call to `llvm.va_copy` -#[no_mangle] -pub unsafe extern "C" fn c_variadic_clone(fmt: *const i8, mut ap: ...) -> i32 { - // CHECK: call void @llvm.va_start - let mut ap2 = ap.clone(); - // CHECK: call void @llvm.va_copy - let res = vprintf(fmt, ap2.as_va_list()); - res - // CHECK: call void @llvm.va_end -} |