1b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// RUN: %clang -S -target armv7l-unknown-linux-gnueabihf -emit-llvm -O1 -mllvm -disable-llvm-optzns -S %s -o - | FileCheck %s 2b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 3b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// This test should not to generate llvm.lifetime.start/llvm.lifetime.end for 4b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// f function because all temporary objects in this function are used for the 5b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// final result 6b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 7b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainarclass S { 8b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar char *ptr; 9b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar unsigned int len; 10b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar}; 11b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 12b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainarclass T { 13b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar S left; 14b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar S right; 15b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 16b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainarpublic: 17b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar T(const char s[]); 18b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar T(S); 19b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 20b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar T concat(const T &Suffix) const; 21b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar const char * str() const; 22b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar}; 23b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 24b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainarconst char * f(S s) 25b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar{ 26b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: [[T1:%.*]] = alloca %class.T, align 4 27b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: [[T2:%.*]] = alloca %class.T, align 4 28b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: [[T3:%.*]] = alloca %class.T, align 4 29b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: [[T4:%.*]] = call %class.T* @_ZN1TC1EPKc(%class.T* [[T1]], i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i32 0, i32 0)) 30b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: [[T5:%.*]] = call %class.T* @_ZN1TC1E1S(%class.T* [[T2]], [2 x i32] %{{.*}}) 31b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: call void @_ZNK1T6concatERKS_(%class.T* sret [[T3]], %class.T* [[T1]], %class.T* dereferenceable(16) [[T2]]) 32b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: [[T6:%.*]] = call i8* @_ZNK1T3strEv(%class.T* [[T3]]) 33b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar// CHECK: ret i8* [[T6]] 34b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar 35b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar return T("[").concat(T(s)).str(); 36b6d6993e6e6d3daf4d9876794254d20a134e37c2Pirama Arumuga Nainar} 37