| // skip-filecheck |
| //@ compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 -Zinline-mir |
| //@ ignore-std-debug-assertions |
| // Reason: precondition checks on ptr::read/write are under cfg(debug_assertions) |
| // EMIT_MIR_FOR_EACH_PANIC_STRATEGY |
| |
| #![crate_type = "lib"] |
| |
| // EMIT_MIR mem_replace.manual_replace.PreCodegen.after.mir |
| pub fn manual_replace(r: &mut u32, v: u32) -> u32 { |
| let temp = *r; |
| *r = v; |
| temp |
| } |
| |
| // EMIT_MIR mem_replace.mem_replace.PreCodegen.after.mir |
| pub fn mem_replace(r: &mut u32, v: u32) -> u32 { |
| std::mem::replace(r, v) |
| } |
