| ; RUN: llc -stack-symbol-ordering=0 < %s -mtriple=x86_64-linux | FileCheck %s |
| |
| %struct.__va_list_tag = type { i32, i32, i8*, i8* } |
| |
| define void @foo(i32 %x, ...) nounwind { |
| entry: |
| %ap = alloca [1 x %struct.__va_list_tag], align 8; <[1 x %struct.__va_list_tag]*> [#uses=2] |
| %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*; <i8*> [#uses=2] |
| call void @llvm.va_start(i8* %ap12) |
| ; CHECK: testb %al, %al |
| |
| ; These test for specific offsets, which is very fragile. Still, the test needs |
| ; to ensure that va_list has the correct element types. |
| ; |
| ; CHECK-DAG: movq {{.*}}, 192(%rsp) |
| ; CHECK-DAG: movq {{.*}}, 184(%rsp) |
| ; CHECK-DAG: movq {{.*}}, 176(%rsp) |
| %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] |
| call void @bar(%struct.__va_list_tag* %ap3) nounwind |
| call void @llvm.va_end(i8* %ap12) |
| ret void |
| } |
| |
| declare void @llvm.va_start(i8*) nounwind |
| |
| declare void @bar(%struct.__va_list_tag*) |
| |
| declare void @llvm.va_end(i8*) nounwind |
