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1; RUN: llvm-as -disable-output < %s2 3%"struct.std::pair<int,int>" = type { i32, i32 }4 5declare void @_Z3barRKi(ptr)6 7declare void @llvm.lifetime.start(i64, ptr nocapture) nounwind8declare void @llvm.lifetime.end(i64, ptr nocapture) nounwind9declare ptr @llvm.invariant.start.p0(i64, ptr nocapture) readonly nounwind10declare void @llvm.invariant.end.p0(ptr, i64, ptr nocapture) nounwind11 12define i32 @_Z4foo2v() nounwind {13entry:14 %x = alloca %"struct.std::pair<int,int>"15 16 ;; Constructor starts here (this isn't needed since it is immediately17 ;; preceded by an alloca, but shown for completeness).18 call void @llvm.lifetime.start(i64 8, ptr %x)19 20 %0 = getelementptr %"struct.std::pair<int,int>", ptr %x, i32 0, i32 021 store i32 4, ptr %0, align 822 %1 = getelementptr %"struct.std::pair<int,int>", ptr %x, i32 0, i32 123 store i32 5, ptr %1, align 424 25 ;; Constructor has finished here.26 %inv = call ptr @llvm.invariant.start.p0(i64 8, ptr %x)27 call void @_Z3barRKi(ptr %0) nounwind28 %2 = load i32, ptr %0, align 829 30 ;; Destructor is run here.31 call void @llvm.invariant.end.p0(ptr %inv, i64 8, ptr %x)32 ;; Destructor is done here.33 call void @llvm.lifetime.end(i64 8, ptr %x)34 ret i32 %235}36