rust/tests/codegen/vec-as-ptr.rs

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//@ compile-flags: -O -Zmerge-functions=disabled
#![crate_type = "lib"]
// Test that even though we return a *const u8 not a &[u8] or a NonNull<u8>, LLVM knows that this
// pointer is nonnull.
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// CHECK: nonnull ptr @vec_as_ptr
#[no_mangle]
pub fn vec_as_ptr(v: &Vec<u8>) -> *const u8 {
v.as_ptr()
}
// Test that even though we return a *const u8 not a &[u8] or a NonNull<u8>, LLVM knows that this
// pointer is nonnull.
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// CHECK: nonnull ptr @vec_as_mut_ptr
#[no_mangle]
pub fn vec_as_mut_ptr(v: &mut Vec<u8>) -> *mut u8 {
v.as_mut_ptr()
}