1 // RUN: %clang_cc1 -triple x86_64-unknown-windows -emit-llvm -target-cpu core2 -o - %s | FileCheck %s 2 3 #define SWIFTCALL __attribute__((swiftcall)) 4 #define OUT __attribute__((swift_indirect_result)) 5 #define ERROR __attribute__((swift_error_result)) 6 #define CONTEXT __attribute__((swift_context)) 7 8 /*****************************************************************************/ 9 /****************************** PARAMETER ABIS *******************************/ 10 /*****************************************************************************/ 11 12 // Swift doesn't use inalloca like windows x86 normally does. 13 struct NonTrivial { 14 NonTrivial(); 15 NonTrivial(const NonTrivial &); 16 int o; 17 }; 18 receiveNonTrivial(NonTrivial o)19SWIFTCALL int receiveNonTrivial(NonTrivial o) { return o.o; } 20 21 // CHECK-LABEL: define dso_local swiftcc i32 @"?receiveNonTrivial@@YSHUNonTrivial@@@Z"(%struct.NonTrivial* %o) 22 passNonTrivial()23int passNonTrivial() { 24 return receiveNonTrivial({}); 25 } 26 27 // CHECK-LABEL: define dso_local i32 @"?passNonTrivial@@YAHXZ"() 28 // CHECK-NOT: stacksave 29 // CHECK: call swiftcc i32 @"?receiveNonTrivial@@YSHUNonTrivial@@@Z"(%struct.NonTrivial* %{{.*}}) 30