rust/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir
2024-01-11 09:58:19 +00:00

67 lines
2.5 KiB
Rust

// MIR for `mem_replace` after PreCodegen
fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
debug r => _1;
debug v => _2;
let mut _0: u32;
scope 1 (inlined std::mem::replace::<u32>) {
debug dest => _1;
debug src => _2;
scope 2 {
scope 3 {
debug result => _0;
scope 16 (inlined std::ptr::write::<u32>) {
debug dst => _1;
debug src => _2;
scope 17 {
}
}
}
scope 4 (inlined std::ptr::read::<u32>) {
debug src => _1;
let mut _3: *const u32;
scope 5 {
scope 6 (inlined std::ptr::read::runtime::<u32>) {
debug src => _3;
scope 7 (inlined intrinsics::is_aligned_and_not_null::<u32>) {
debug ptr => _3;
scope 8 (inlined std::ptr::const_ptr::<impl *const u32>::is_null) {
debug self => _3;
let mut _4: *const u8;
scope 9 {
scope 10 (inlined std::ptr::const_ptr::<impl *const T>::is_null::runtime_impl) {
debug ptr => _4;
scope 11 (inlined std::ptr::const_ptr::<impl *const u8>::addr) {
debug self => _4;
scope 12 {
scope 13 (inlined std::ptr::const_ptr::<impl *const u8>::cast::<()>) {
debug self => _4;
}
}
}
}
}
}
scope 14 (inlined std::ptr::const_ptr::<impl *const u32>::is_aligned) {
debug self => _3;
scope 15 (inlined align_of::<u32>) {
}
}
}
}
}
}
}
}
bb0: {
StorageLive(_3);
StorageLive(_4);
_0 = (*_1);
StorageDead(_4);
StorageDead(_3);
(*_1) = _2;
return;
}
}