1 ; RUN: llvm-as %s -o - | llvm-dis > %t1.ll 2 ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll 3 ; RUN: diff %t1.ll %t2.ll 4 5 ; Demonstrate all of the variable argument handling intrinsic functions plus 6 ; the va_arg instruction. 7 8 declare void @llvm.va_start(i8** %ap) 9 declare void @llvm.va_copy(i8** %aq, i8** %ap) 10 declare void @llvm.va_end(i8** %ap) 11 12 define i33 @test(i33 %X, ...) { 13 %ap = alloca i8* 14 call void @llvm.va_start(i8** %ap) 15 %tmp = va_arg i8** %ap, i33 16 17 %aq = alloca i8* 18 call void @llvm.va_copy(i8** %aq, i8** %ap) 19 call void @llvm.va_end(i8** %aq) 20 21 call void @llvm.va_end(i8** %ap) 22 ret i33 %tmp 23 } 24
