// RUN: %clang_cc1 -triple armv7l-unknown-linux-gnueabihf -emit-llvm -O1 -disable-llvm-passes -std=c++03 %s -o - | FileCheck %s // This test should not to generate llvm.lifetime.start/llvm.lifetime.end for // f function because all temporary objects in this function are used for the // final result class S { char *ptr; unsigned int len; }; class T { S left; S right; public: T(const char s[]); T(S); T concat(const T &Suffix) const; const char * str() const; }; const char * f(S s) { // CHECK: [[T1:%.*]] = alloca %class.T, align 4 // CHECK: [[T2:%.*]] = alloca %class.T, align 4 // CHECK: [[T3:%.*]] = alloca %class.T, align 4 // CHECK: [[T4:%.*]] = call %class.T* @_ZN1TC1EPKc(%class.T* [[T1]], i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i32 0, i32 0)) // CHECK: [[T5:%.*]] = call %class.T* @_ZN1TC1E1S(%class.T* [[T2]], [2 x i32] %{{.*}}) // CHECK: call void @_ZNK1T6concatERKS_(%class.T* sret [[T3]], %class.T* [[T1]], %class.T* dereferenceable(16) [[T2]]) // CHECK: [[T6:%.*]] = call i8* @_ZNK1T3strEv(%class.T* [[T3]]) // CHECK: ret i8* [[T6]] return T("[").concat(T(s)).str(); } |