1 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,LIN64 2 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-linux-gnu -DCC="__attribute__((vectorcall))" | FileCheck %s --check-prefixes=CHECK,VECCALL 3 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-windows-pc -DWIN32 | FileCheck %s --check-prefixes=WIN32 4 5 #ifndef CC 6 #define CC 7 #endif 8 9 void usage() { 10 auto lambda = [](int i, float f, double d) CC { return i + f + d; }; 11 12 double (*CC fp)(int, float, double) = lambda; 13 fp(0, 1.1, 2.2); 14 #ifdef WIN32 15 double (*__attribute__((thiscall)) fp2)(int, float, double) = lambda; 16 fp2(0, 1.1, 2.2); 17 #endif // WIN32 18 } 19 20 // void usage function, calls convrsion operator. 21 // LIN64: define void @_Z5usagev() 22 // VECCALL: define void @_Z5usagev() 23 // WIN32: define dso_local void @"?usage@@YAXXZ"() 24 // CHECK: call double (i32, float, double)* @"_ZZ5usagevENK3$_0cvPFdifdEEv" 25 // WIN32: call x86_thiscallcc double (i32, float, double)* @"??B<lambda_0>@?0??usage@@YAXXZ@QBEP6A?A?<auto>@@HMN@ZXZ" 26 // WIN32: call x86_thiscallcc double (i32, float, double)* @"??B<lambda_0>@?0??usage@@YAXXZ@QBEP6E?A?<auto>@@HMN@ZXZ" 27 // 28 // Conversion operator, returns __invoke. 29 // CHECK: define internal double (i32, float, double)* @"_ZZ5usagevENK3$_0cvPFdifdEEv" 30 // CHECK: ret double (i32, float, double)* @"_ZZ5usagevEN3$_08__invokeEifd" 31 // WIN32: define internal x86_thiscallcc double (i32, float, double)* @"??B<lambda_0>@?0??usage@@YAXXZ@QBEP6A?A?<auto>@@HMN@ZXZ" 32 // WIN32: ret double (i32, float, double)* @"?__invoke@<lambda_0>@?0??usage@@YAXXZ@CA?A?<auto>@@HMN@Z" 33 // WIN32: define internal x86_thiscallcc double (i32, float, double)* @"??B<lambda_0>@?0??usage@@YAXXZ@QBEP6E?A?<auto>@@HMN@ZXZ" 34 // WIN32: ret double (i32, float, double)* @"?__invoke@<lambda_0>@?0??usage@@YAXXZ@CE?A?<auto>@@HMN@Z" 35 // 36 // __invoke function, calls operator(). Win32 should call both. 37 // LIN64: define internal double @"_ZZ5usagevEN3$_08__invokeEifd" 38 // LIN64: call double @"_ZZ5usagevENK3$_0clEifd" 39 // VECCALL: define internal x86_vectorcallcc double @"_ZZ5usagevEN3$_08__invokeEifd" 40 // VECCALL: call x86_vectorcallcc double @"_ZZ5usagevENK3$_0clEifd" 41 // WIN32: define internal double @"?__invoke@<lambda_0>@?0??usage@@YAXXZ@CA?A?<auto>@@HMN@Z" 42 // WIN32: call x86_thiscallcc double @"??R<lambda_0>@?0??usage@@YAXXZ@QBE?A?<auto>@@HMN@Z" 43 // WIN32: define internal x86_thiscallcc double @"?__invoke@<lambda_0>@?0??usage@@YAXXZ@CE?A?<auto>@@HMN@Z" 44 // WIN32: call x86_thiscallcc double @"??R<lambda_0>@?0??usage@@YAXXZ@QBE?A?<auto>@@HMN@Z" 45