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