a9d62be557
It is possible to create malformed LLVM IR given variadic arguments that are aggregate types. This occurs due to improper tracking of the current argument in the functions list of arguments.
21 lines
430 B
Rust
21 lines
430 B
Rust
// compile-flags: -C no-prepopulate-passes
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//
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// only-x86_64
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// ignore-windows
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#![crate_type = "lib"]
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extern "C" {
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fn variadic_fn(_: i32, ...);
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}
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#[repr(C)]
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struct Foo(u8);
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#[repr(C)]
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struct Bar(u64, u64, u64);
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// Ensure that emit arguments of the correct type.
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pub unsafe fn test_call_variadic() {
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// CHECK: call void (i32, ...) @variadic_fn(i32 0, i8 {{.*}}, %Bar* {{.*}})
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variadic_fn(0, Foo(0), Bar(0, 0, 0))
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}
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