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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
| commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
| tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/codegen/c-variadic-opt.rs | |
| parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
| download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip | |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/codegen/c-variadic-opt.rs')
| -rw-r--r-- | src/test/codegen/c-variadic-opt.rs | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/src/test/codegen/c-variadic-opt.rs b/src/test/codegen/c-variadic-opt.rs deleted file mode 100644 index 969dce80f..000000000 --- a/src/test/codegen/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 -} |