1; RUN: llc < %s -mtriple=x86_64-apple-darwin -stack-symbol-ordering=0 | FileCheck %s -check-prefix=X64 2; RUN: llc < %s -mtriple=i686-apple-darwin -stack-symbol-ordering=0 | FileCheck %s -check-prefix=X86 3 4%struct.Baz = type { [17 x i8] } 5%struct.__va_list_tag = type { i32, i32, ptr, ptr } 6 7; Function Attrs: nounwind uwtable 8define void @bar(ptr byval(%struct.Baz) nocapture readnone align 8 %x, ...) { 9entry: 10 %va = alloca [1 x %struct.__va_list_tag], align 16 11 call void @llvm.va_start(ptr %va) 12 %overflow_arg_area_p = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %va, i64 0, i64 0, i32 2 13 %overflow_arg_area = load ptr, ptr %overflow_arg_area_p, align 8 14 %overflow_arg_area.next = getelementptr i8, ptr %overflow_arg_area, i64 24 15 store ptr %overflow_arg_area.next, ptr %overflow_arg_area_p, align 8 16; X86: leal 68(%esp), [[REG:%.*]] 17; X86: movl [[REG]], 16(%esp) 18; X64: leaq 256(%rsp), [[REG:%.*]] 19; X64: movq [[REG]], 184(%rsp) 20; X64: leaq 176(%rsp), %rdi 21 call void @qux(ptr %va) 22 ret void 23} 24 25; Function Attrs: nounwind 26declare void @llvm.va_start(ptr) 27 28declare void @qux(ptr) 29