29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// RUN: %clang_cc1 -Wno-error=non-pod-varargs -triple i686-pc-win32 -fms-compatibility -emit-llvm -o - %s | FileCheck %s -check-prefix=X86 -check-prefix=CHECK
|
|
// RUN: %clang_cc1 -Wno-error=non-pod-varargs -triple x86_64-pc-win32 -fms-compatibility -emit-llvm -o - %s | FileCheck %s -check-prefix=X64 -check-prefix=CHECK
|
|
|
|
struct X {
|
|
X();
|
|
~X();
|
|
int data;
|
|
};
|
|
|
|
void vararg(...);
|
|
|
|
void test(X x) {
|
|
// CHECK-LABEL: define dso_local void @"?test@@YAXUX@@@Z"
|
|
|
|
// X86: %[[argmem:[^ ]*]] = alloca inalloca <{ %struct.X }>
|
|
// X86: call void (<{ %struct.X }>*, ...) bitcast (void (...)* @"?vararg@@YAXZZ" to void (<{ %struct.X }>*, ...)*)(<{ %struct.X }>* inalloca %[[argmem]])
|
|
|
|
// X64: alloca %struct.X
|
|
|
|
// X64: %[[agg:[^ ]*]] = alloca %struct.X
|
|
// X64: %[[valptr:[^ ]*]] = getelementptr inbounds %struct.X, %struct.X* %[[agg]], i32 0, i32 0
|
|
// X64: %[[val:[^ ]*]] = load i32, i32* %[[valptr]]
|
|
// X64: call void (...) @"?vararg@@YAXZZ"(i32 %[[val]])
|
|
|
|
// CHECK-NOT: llvm.trap
|
|
vararg(x);
|
|
// CHECK: ret void
|
|
}
|