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