mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-08 08:54:58 +00:00
25 lines
641 B
LLVM
25 lines
641 B
LLVM
|
; RUN: llvm-as %s -o - | llvm-dis > %t1.ll;
|
||
|
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
|
||
|
; RUN: diff %t1.ll %t2.ll
|
||
|
|
||
|
; Demonstrate all of the variable argument handling intrinsic functions plus
|
||
|
; the va_arg instruction.
|
||
|
|
||
|
implementation
|
||
|
declare void %llvm.va_start(i8** %ap)
|
||
|
declare void %llvm.va_copy(i8** %aq, i8** %ap)
|
||
|
declare void %llvm.va_end(i8** %ap)
|
||
|
|
||
|
define i33 %test(i33 %X, ...) {
|
||
|
%ap = alloca i8*
|
||
|
call void %llvm.va_start(i8** %ap)
|
||
|
%tmp = va_arg i8** %ap, i33
|
||
|
|
||
|
%aq = alloca i8*
|
||
|
call void %llvm.va_copy(i8** %aq, i8** %ap)
|
||
|
call void %llvm.va_end(i8** %aq)
|
||
|
|
||
|
call void %llvm.va_end(i8** %ap)
|
||
|
ret i33 %tmp
|
||
|
}
|