//@ compile-flags: --crate-type=lib -O -Cdebuginfo=2 -Cno-prepopulate-passes -Zmir-enable-passes=-ScalarReplacementOfAggregates // MIR SROA will decompose the closure #![feature(stmt_expr_attributes)] pub struct S([usize; 8]); #[no_mangle] pub fn outer_function(x: S, y: S) -> usize { (#[inline(always)] || { let _z = x; y.0[0] })() } // Check that we do not attempt to load from the spilled arg before it is assigned to // when generating debuginfo. // CHECK-LABEL: @outer_function // CHECK: [[spill:%.*]] = alloca // CHECK-NOT: [[ptr_tmp:%.*]] = getelementptr inbounds i8, ptr [[spill]] // CHECK-NOT: [[load:%.*]] = load ptr, ptr // CHECK: call void @llvm.lifetime.start{{.*}}({{.*}}, ptr [[spill]]) // CHECK: [[inner:%.*]] = getelementptr inbounds i8, ptr [[spill]] // CHECK: call void @llvm.memcpy{{.*}}(ptr {{align .*}} [[inner]], ptr {{align .*}} %x