1 // 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 2 // 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 3 4 struct X { 5 X(); 6 ~X(); 7 int data; 8 }; 9 10 void vararg(...); 11 12 void test(X x) { 13 // CHECK-LABEL: define dso_local void @"?test@@YAXUX@@@Z" 14 15 // X86: %[[argmem:[^ ]*]] = alloca inalloca <{ %struct.X }> 16 // X86: call void (ptr, ...) @"?vararg@@YAXZZ"(ptr inalloca(<{ %struct.X }>) %[[argmem]]) 17 18 // X64: alloca %struct.X 19 20 // X64: %[[agg:[^ ]*]] = alloca %struct.X 21 // X64: %[[valptr:[^ ]*]] = getelementptr inbounds nuw %struct.X, ptr %[[agg]], i32 0, i32 0 22 // X64: %[[val:[^ ]*]] = load i32, ptr %[[valptr]] 23 // X64: call void (...) @"?vararg@@YAXZZ"(i32 %[[val]]) 24 25 // CHECK-NOT: llvm.trap 26 vararg(x); 27 // CHECK: ret void 28 } 29