1; RUN: llc -stack-symbol-ordering=0 < %s -mtriple=x86_64-linux | FileCheck %s
2
3%struct.__va_list_tag = type { i32, i32, i8*, i8* }
4
5define void @foo(i32 %x, ...) nounwind {
6entry:
7  %ap = alloca [1 x %struct.__va_list_tag], align 8; <[1 x %struct.__va_list_tag]*> [#uses=2]
8  %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*; <i8*> [#uses=2]
9  call void @llvm.va_start(i8* %ap12)
10; CHECK: testb %al, %al
11
12; These test for specific offsets, which is very fragile. Still, the test needs
13; to ensure that va_list has the correct element types.
14;
15; CHECK-DAG: movq {{.*}}, 192(%rsp)
16; CHECK-DAG: movq {{.*}}, 184(%rsp)
17; CHECK-DAG: movl {{.*}}, 180(%rsp)
18; CHECK-DAG: movl {{.*}}, 176(%rsp)
19  %ap3 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0; <%struct.__va_list_tag*> [#uses=1]
20  call void @bar(%struct.__va_list_tag* %ap3) nounwind
21  call void @llvm.va_end(i8* %ap12)
22  ret void
23}
24
25declare void @llvm.va_start(i8*) nounwind
26
27declare void @bar(%struct.__va_list_tag*)
28
29declare void @llvm.va_end(i8*) nounwind
30