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Remove the assume(!is_null) from Vec::as_ptr

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This commit is contained in:
Ben Kimock 2023-01-16 23:46:31 -05:00
parent eebdfb55fc
commit 738c8b08d5
2 changed files with 21 additions and 11 deletions
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19
tests/codegen/vec-as-ptr.rs Normal file
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@ -0,0 +1,19 @@
// 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.
// CHECK: nonnull {{i8\*|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.
// CHECK: nonnull {{i8\*|ptr}} @vec_as_mut_ptr
#[no_mangle]
pub fn vec_as_mut_ptr(v: &mut Vec<u8>) -> *mut u8 {
v.as_mut_ptr()
}