| // 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 |
| } |
