de1b2a9375
This change is part of the RegCall calling convention support for LLVM. Existing RegCall implementation was extended to include correct handling of Complex Long Double type. Complex long double types should be returned/passed in memory and not register stack. This patch implements this behavior. Patch by: eandrews Differential Revision: https://reviews.llvm.org/D35259 llvm-svn: 308769
106 lines
5.2 KiB
C++
106 lines
5.2 KiB
C++
// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -std=c++11 %s -o - | FileCheck -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 -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 -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 -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 {{.+}} @"\01?foo@@YwHH@Z"
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// CHECK-WIN32: call x86_regcallcc {{.+}} @"\01?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 x86_regcallcc {{.+}}@"\01?foo@@YwHH@Z"
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// CHECK-WIN32: define x86_regcallcc {{.+}}@"\01?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 %class.test_class* @"\01??0test_class@@QEAA@XZ"
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// CHECK-WIN32-DAG: define linkonce_odr x86_thiscallcc %class.test_class* @"\01??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 void @"\01??_Dtest_class@@QEAAXXZ"
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// CHECK-WIN32-DAG: define linkonce_odr x86_thiscallcc void @"\01??_Dtest_class@@QAEXXZ"
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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 dereferenceable(4) %class.test_class* @_ZN10test_classpLERKS_
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// CHECK-WIN64-DAG: define linkonce_odr x86_regcallcc dereferenceable(4) %class.test_class* @"\01??Ytest_class@@QEAwAEAV0@AEBV0@@Z"
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// CHECK-WIN32-DAG: define linkonce_odr x86_regcallcc dereferenceable(4) %class.test_class* @"\01??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 x86_regcallcc void @"\01?do_thing@test_class@@QEAwXXZ"
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// CHECK-WIN32-DAG: define linkonce_odr x86_regcallcc void @"\01?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 x86_regcallcc void @"\01??$freeTempFunc@H@@YwXH@Z"
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// CHECK-WIN32-DAG: define linkonce_odr x86_regcallcc void @"\01??$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 x86_regcallcc zeroext i1 @"\01??8@Yw_NAEBVtest_class@@0@Z"
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// CHECK-WIN32-DAG: define x86_regcallcc zeroext i1 @"\01??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 %agg.result, i64)
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// CHECK-LIN32-DAG: define x86_regcallcc void @_Zli11_test_classy(%class.test_class* inreg noalias sret %agg.result, i64)
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// CHECK-WIN64-DAG: \01??__K_test_class@@Yw?AVtest_class@@_K@Z"
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// CHECK-WIN32-DAG: \01??__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 x86_regcallcc void @"\01??$freeTempFunc@H@@YwXH@Z"
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// CHECK-WIN32-DAG: define linkonce_odr x86_regcallcc void @"\01??$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 %agg.result, { x86_fp80, x86_fp80 }* byval align 16 %f)
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// CHECK-LIN32-DAG: define x86_regcallcc void @_Z15__regcall3__fooCe({ x86_fp80, x86_fp80 }* inreg noalias sret %agg.result, { x86_fp80, x86_fp80 }* byval align 4 %f)
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// CHECK-WIN64-DAG: define x86_regcallcc { double, double } @"\01?foo@@YwU?$_Complex@O@__clang@@U12@@Z"(double %f.0, double %f.1)
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// CHECK-WIN32-DAG: define x86_regcallcc { double, double } @"\01?foo@@YwU?$_Complex@O@__clang@@U12@@Z"(double %f.0, double %f.1)
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