Reid Kleckner | 314ef7b | 2014-02-01 00:04:45 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i686-pc-win32 -mconstructor-aliases -fno-rtti | FileCheck %s |
| 2 | |
| 3 | #include <stdarg.h> |
| 4 | |
| 5 | struct A { |
| 6 | A(int a) : a(a) {} |
| 7 | A(const A &o) : a(o.a) {} |
| 8 | ~A() {} |
| 9 | int a; |
| 10 | }; |
| 11 | |
| 12 | int foo(A a, ...) { |
| 13 | va_list ap; |
| 14 | va_start(ap, a); |
| 15 | int sum = 0; |
| 16 | for (int i = 0; i < a.a; ++i) |
| 17 | sum += va_arg(ap, int); |
| 18 | va_end(ap); |
| 19 | return sum; |
| 20 | } |
| 21 | |
| 22 | int main() { |
| 23 | return foo(A(3), 1, 2, 3); |
| 24 | } |
| 25 | // CHECK-LABEL: define i32 @main() |
| 26 | // CHECK: %[[argmem_cast:[^ ]*]] = bitcast <{ %struct.A, i32, i32, i32 }>* %argmem to <{ %struct.A }>* |
| 27 | // CHECK: call i32 (<{ %struct.A }>*, ...)* @"\01?foo@@YAHUA@@ZZ"(<{ %struct.A }>* inalloca %[[argmem_cast]]) |