From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/codegen/c-variadic-copy.rs | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 src/test/codegen/c-variadic-copy.rs (limited to 'src/test/codegen/c-variadic-copy.rs') diff --git a/src/test/codegen/c-variadic-copy.rs b/src/test/codegen/c-variadic-copy.rs new file mode 100644 index 000000000..4c61c4fcf --- /dev/null +++ b/src/test/codegen/c-variadic-copy.rs @@ -0,0 +1,16 @@ +// Tests that `VaListImpl::clone` gets inlined into a call to `llvm.va_copy` + +#![crate_type = "lib"] +#![feature(c_variadic)] +#![no_std] +use core::ffi::VaList; + +extern "C" { + fn foreign_c_variadic_1(_: VaList, ...); +} + +pub unsafe extern "C" fn clone_variadic(ap: VaList) { + let mut ap2 = ap.clone(); + // CHECK: call void @llvm.va_copy + foreign_c_variadic_1(ap2.as_va_list(), 42i32); +} -- cgit v1.2.3