// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -std=c++11 %s -o - | FileCheck -allow-deprecated-dag-overlap -check-prefix=CHECK-LIN -check-prefix=CHECK-LIN64 %s // RUN: %clang_cc1 -triple i386-linux-gnu -emit-llvm -std=c++11 %s -o - | FileCheck -allow-deprecated-dag-overlap -check-prefix=CHECK-LIN -check-prefix=CHECK-LIN32 %s // RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++11 %s -o - -DWIN_TEST | FileCheck -allow-deprecated-dag-overlap -check-prefix=CHECK-WIN64 %s // RUN: %clang_cc1 -triple i386-windows-msvc -emit-llvm -std=c++11 %s -o - -DWIN_TEST | FileCheck -allow-deprecated-dag-overlap -check-prefix=CHECK-WIN32 %s int __regcall foo(int i); int main() { int p = 0, _data; auto lambda = [&](int parameter) -> int { _data = foo(parameter); return _data; }; return lambda(p); } // CHECK-LIN: call x86_regcallcc {{.+}} @_Z15__regcall3__foo // CHECK-WIN64: call x86_regcallcc {{.+}} @"?foo@@YwHH@Z" // CHECK-WIN32: call x86_regcallcc {{.+}} @"?foo@@YwHH@Z" int __regcall foo (int i){ return i; } // CHECK-LIN: define{{.*}} x86_regcallcc {{.+}}@_Z15__regcall3__foo // CHECK-WIN64: define dso_local x86_regcallcc {{.+}}@"?foo@@YwHH@Z" // CHECK-WIN32: define dso_local x86_regcallcc {{.+}}@"?foo@@YwHH@Z" // used to give a body to test_class functions static int x = 0; class test_class { int a; public: #ifndef WIN_TEST __regcall #endif test_class(){++x;} // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_ZN10test_classC1Ev // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_ZN10test_classC2Ev // Windows ignores calling convention on constructor/destructors. // CHECK-WIN64-DAG: define linkonce_odr dso_local %class.test_class* @"??0test_class@@QEAA@XZ" // CHECK-WIN32-DAG: define linkonce_odr dso_local x86_thiscallcc %class.test_class* @"??0test_class@@QAE@XZ" #ifndef WIN_TEST __regcall #endif ~test_class(){--x;} // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_ZN10test_classD2Ev // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_ZN10test_classD1Ev // Windows ignores calling convention on constructor/destructors. // CHECK-WIN64-DAG: define linkonce_odr dso_local void @"??1test_class@@QEAA@XZ" // CHECK-WIN32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"??1test_class@@QAE@XZ" test_class& __regcall operator+=(const test_class&){ return *this; } // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc nonnull align 4 dereferenceable(4) %class.test_class* @_ZN10test_classpLERKS_ // CHECK-WIN64-DAG: define linkonce_odr dso_local x86_regcallcc nonnull align 4 dereferenceable(4) %class.test_class* @"??Ytest_class@@QEAwAEAV0@AEBV0@@Z" // CHECK-WIN32-DAG: define linkonce_odr dso_local x86_regcallcc nonnull align 4 dereferenceable(4) %class.test_class* @"??Ytest_class@@QAwAAV0@ABV0@@Z" void __regcall do_thing(){} // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_ZN10test_class20__regcall3__do_thingEv // CHECK-WIN64-DAG: define linkonce_odr dso_local x86_regcallcc void @"?do_thing@test_class@@QEAwXXZ" // CHECK-WIN32-DAG: define linkonce_odr dso_local x86_regcallcc void @"?do_thing@test_class@@QAwXXZ" template void __regcall tempFunc(T i){} // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_ZN10test_class20__regcall3__tempFuncIiEEvT_ // CHECK-WIN64-DAG: define linkonce_odr dso_local x86_regcallcc void @"??$freeTempFunc@H@@YwXH@Z" // CHECK-WIN32-DAG: define linkonce_odr dso_local x86_regcallcc void @"??$freeTempFunc@H@@YwXH@Z" }; bool __regcall operator ==(const test_class&, const test_class&){ --x; return false;} // CHECK-LIN-DAG: define{{.*}} x86_regcallcc zeroext i1 @_ZeqRK10test_classS1_ // CHECK-WIN64-DAG: define dso_local x86_regcallcc zeroext i1 @"??8@Yw_NAEBVtest_class@@0@Z" // CHECK-WIN32-DAG: define dso_local x86_regcallcc zeroext i1 @"??8@Yw_NABVtest_class@@0@Z" test_class __regcall operator""_test_class (unsigned long long) { ++x; return test_class{};} // CHECK-LIN64-DAG: define{{.*}} x86_regcallcc void @_Zli11_test_classy(%class.test_class* noalias sret(%class.test_class) align 4 %agg.result, i64 %0) // CHECK-LIN32-DAG: define{{.*}} x86_regcallcc void @_Zli11_test_classy(%class.test_class* inreg noalias sret(%class.test_class) align 4 %agg.result, i64 %0) // CHECK-WIN64-DAG: ??__K_test_class@@Yw?AVtest_class@@_K@Z" // CHECK-WIN32-DAG: ??__K_test_class@@Yw?AVtest_class@@_K@Z" template void __regcall freeTempFunc(T i){} // CHECK-LIN-DAG: define linkonce_odr x86_regcallcc void @_Z24__regcall3__freeTempFuncIiEvT_ // CHECK-WIN64-DAG: define linkonce_odr dso_local x86_regcallcc void @"??$freeTempFunc@H@@YwXH@Z" // CHECK-WIN32-DAG: define linkonce_odr dso_local x86_regcallcc void @"??$freeTempFunc@H@@YwXH@Z" // class to force generation of functions void force_gen() { test_class t; test_class t2 = 12_test_class; t += t2; auto t3 = 100_test_class; t3.tempFunc(1); freeTempFunc(1); t3.do_thing(); } long double _Complex __regcall foo(long double _Complex f) { return f; } // CHECK-LIN64-DAG: define{{.*}} x86_regcallcc void @_Z15__regcall3__fooCe({ x86_fp80, x86_fp80 }* noalias sret({ x86_fp80, x86_fp80 }) align 16 %agg.result, { x86_fp80, x86_fp80 }* byval({ x86_fp80, x86_fp80 }) align 16 %f) // CHECK-LIN32-DAG: define{{.*}} x86_regcallcc void @_Z15__regcall3__fooCe({ x86_fp80, x86_fp80 }* inreg noalias sret({ x86_fp80, x86_fp80 }) align 4 %agg.result, { x86_fp80, x86_fp80 }* byval({ x86_fp80, x86_fp80 }) align 4 %f) // CHECK-WIN64-DAG: define dso_local x86_regcallcc { double, double } @"?foo@@YwU?$_Complex@O@__clang@@U12@@Z"(double %f.0, double %f.1) // CHECK-WIN32-DAG: define dso_local x86_regcallcc { double, double } @"?foo@@YwU?$_Complex@O@__clang@@U12@@Z"(double %f.0, double %f.1) // The following caused us to dereference uninitialized memory. The long name // seems necessary, as does the return types. float _Complex __regcall callee(float _Complex f); // CHECK-LIN64-DAG: declare x86_regcallcc <2 x float> @_Z18__regcall3__calleeCf(<2 x float>) // CHECK-LIN32-DAG: declare x86_regcallcc { float, float } @_Z18__regcall3__calleeCf(float, float) // CHECK-WIN64-DAG: declare dso_local x86_regcallcc { float, float } @"?callee@@YwU?$_Complex@M@__clang@@U12@@Z"(float, float) // CHECK-WIN32-DAG: declare dso_local x86_regcallcc { float, float } @"?callee@@YwU?$_Complex@M@__clang@@U12@@Z"(float, float) __regcall int some_really_long_name_that_manages_to_hit_the_right_spot_of_mem(int a) { float _Complex x[2]; x[0] = callee(x[0]); return a; }