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llvm-project/clang/test/CodeGenCXX/pr20897.cpp

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MS ABI: Use the correct this arg when generating implict copy ctor We assumed that the incoming this argument would be the last argument. However, this is not true under the MS ABI. This fixes PR20897. llvm-svn: 217642
2014-09-12 07:05:02 +08:00
// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s
struct Base {};
// __declspec(dllexport) causes us to export the implicit constructor.
struct __declspec(dllexport) Derived : virtual Base {
// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc %struct.Derived* @"\01??0Derived@@QAE@ABU0@@Z"
Update Clang tests to handle explicitly typed load changes in LLVM. llvm-svn: 230795
2015-02-28 05:19:58 +08:00
// CHECK: %[[this:.*]] = load %struct.Derived*, %struct.Derived** {{.*}}
MS ABI: Use the correct this arg when generating implict copy ctor We assumed that the incoming this argument would be the last argument. However, this is not true under the MS ABI. This fixes PR20897. llvm-svn: 217642
2014-09-12 07:05:02 +08:00
// CHECK-NEXT: store %struct.Derived* %[[this]], %struct.Derived** %[[retval:.*]]
Update Clang tests to handle explicitly typed gep changes in LLVM. llvm-svn: 230783
2015-02-28 03:18:17 +08:00
// CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[this]], i32 0, i32 1
Update Clang tests to handle explicitly typed load changes in LLVM. llvm-svn: 230795
2015-02-28 05:19:58 +08:00
// CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived*, %struct.Derived** {{.*}}
Update Clang tests to handle explicitly typed gep changes in LLVM. llvm-svn: 230783
2015-02-28 03:18:17 +08:00
// CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[src_load:.*]], i32 0, i32 1
MS ABI: Use the correct this arg when generating implict copy ctor We assumed that the incoming this argument would be the last argument. However, this is not true under the MS ABI. This fixes PR20897. llvm-svn: 217642
2014-09-12 07:05:02 +08:00
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %[[dest_a_gep]], i8* %[[src_a_gep]], i64 1, i32 4, i1 false)
Update Clang tests to handle explicitly typed load changes in LLVM. llvm-svn: 230795
2015-02-28 05:19:58 +08:00
// CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived*, %struct.Derived** %[[retval]]
MS ABI: Use the correct this arg when generating implict copy ctor We assumed that the incoming this argument would be the last argument. However, this is not true under the MS ABI. This fixes PR20897. llvm-svn: 217642
2014-09-12 07:05:02 +08:00
// CHECK-NEXT: ret %struct.Derived* %[[dest_this]]
bool a : 1;
bool b : 1;
};
MS ABI: Use the correct this arg when generating implicit array copy ctor We assumed the last argument of the copy constructor was the this pointer. However, this is not the case under the MS ABI. llvm-svn: 219775
2014-10-15 12:54:54 +08:00
// __declspec(dllexport) causes us to export the implicit copy constructor.
struct __declspec(dllexport) Derived2 : virtual Base {
// CHECK-LABEL: define weak_odr dllexport x86_thiscallcc %struct.Derived2* @"\01??0Derived2@@QAE@ABU0@@Z"
Update Clang tests to handle explicitly typed load changes in LLVM. llvm-svn: 230795
2015-02-28 05:19:58 +08:00
// CHECK: %[[this:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}}
MS ABI: Use the correct this arg when generating implicit array copy ctor We assumed the last argument of the copy constructor was the this pointer. However, this is not the case under the MS ABI. llvm-svn: 219775
2014-10-15 12:54:54 +08:00
// CHECK-NEXT: store %struct.Derived2* %[[this]], %struct.Derived2** %[[retval:.*]]
Update Clang tests to handle explicitly typed gep changes in LLVM. llvm-svn: 230783
2015-02-28 03:18:17 +08:00
// CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[this]], i32 0, i32 1
Update Clang tests to handle explicitly typed load changes in LLVM. llvm-svn: 230795
2015-02-28 05:19:58 +08:00
// CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}}
Update Clang tests to handle explicitly typed gep changes in LLVM. llvm-svn: 230783
2015-02-28 03:18:17 +08:00
// CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[src_load:.*]], i32 0, i32 1
MS ABI: Use the correct this arg when generating implicit array copy ctor We assumed the last argument of the copy constructor was the this pointer. However, this is not the case under the MS ABI. llvm-svn: 219775
2014-10-15 12:54:54 +08:00
// CHECK-NEXT: %[[dest_a_bitcast:.*]] = bitcast [1 x i32]* %[[dest_a_gep]] to i8*
// CHECK-NEXT: %[[src_a_bitcast:.*]] = bitcast [1 x i32]* %[[src_a_gep]] to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[dest_a_bitcast]], i8* %[[src_a_bitcast]], i32 4, i32 4, i1 false)
Update Clang tests to handle explicitly typed load changes in LLVM. llvm-svn: 230795
2015-02-28 05:19:58 +08:00
// CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived2*, %struct.Derived2** %[[retval]]
MS ABI: Use the correct this arg when generating implicit array copy ctor We assumed the last argument of the copy constructor was the this pointer. However, this is not the case under the MS ABI. llvm-svn: 219775
2014-10-15 12:54:54 +08:00
// CHECK-NEXT: ret %struct.Derived2* %[[dest_this]]
int Array[1];
};