1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// RUN: %clang_cc1 -no-opaque-pointers -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 -no-opaque-pointers -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(<{ %struct.X }>) %[[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
}
|
