| // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o - | FileCheck %s |
| /// Check that we pass the member pointers indirectly for MinGW64 |
| // RUN: %clang_cc1 %s -triple=x86_64-windows-gnu -emit-llvm -o - | FileCheck %s -check-prefix MINGW64 |
| /// We should be able to optimize calls via the indirectly passed member pointers |
| // RUN: %clang_cc1 %s -triple=x86_64-windows-gnu -emit-llvm -O3 -o - | FileCheck %s |
| struct A { |
| virtual int vf1() { return 1; } |
| virtual int vf2() { return 2; } |
| }; |
| |
| int f(A* a, int (A::*fp)()) { |
| return (a->*fp)(); |
| } |
| |
| // CHECK-LABEL: define{{.*}} i32 @_Z2g1v() |
| // CHECK-NOT: } |
| // CHECK: ret i32 1 |
| // MINGW64-LABEL: define dso_local i32 @_Z2g1v() |
| // MINGW64: call i32 @_Z1fP1AMS_FivE(%struct.A* %{{.*}}, { i64, i64 }* %{{.*}}) |
| int g1() { |
| A a; |
| return f(&a, &A::vf1); |
| } |
| |
| // CHECK-LABEL: define{{.*}} i32 @_Z2g2v() |
| // CHECK-NOT: } |
| // CHECK: ret i32 2 |
| // MINGW64-LABEL: define dso_local i32 @_Z2g2v() |
| // MINGW64: call i32 @_Z1fP1AMS_FivE(%struct.A* %{{.*}}, { i64, i64 }* %{{.*}}) |
| int g2() { |
| A a; |
| return f(&a, &A::vf2); |
| } |
