[llvm-commits] CVS: llvm/test/Feature/varargs_new.ll

[Andrew Lenharth]

Changes in directory llvm/test/Feature:

varargs_new.ll added (r1.1)
---
Log message:

new vararg test

---
Diffs of the changes:  (+33 -0)

 varargs_new.ll |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+)


Index: llvm/test/Feature/varargs_new.ll
diff -c /dev/null llvm/test/Feature/varargs_new.ll:1.1
*** /dev/null	Sat Jun 18 13:30:47 2005
--- llvm/test/Feature/varargs_new.ll	Sat Jun 18 13:30:37 2005
***************
*** 0 ****
--- 1,33 ----
+ ; 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   ; Functions:
+ declare void %llvm.va_start(sbyte**)
+ declare void %llvm.va_copy(sbyte**, sbyte*)
+ declare void %llvm.va_end(sbyte**)
+ 
+ int %test(int %X, ...) {
+         ; Allocate two va_list items.  On this target, va_list is of type sbyte*
+         %ap = alloca sbyte*             ; <sbyte**> [#uses=4]
+         %aq = alloca sbyte*             ; <sbyte**> [#uses=2]
+ 
+         ; Initialize variable argument processing
+         call void %llvm.va_start(sbyte** %ap)
+ 
+         ; Read a single integer argument
+         %tmp = vaarg sbyte** %ap, int           ; <int> [#uses=1]
+ 
+         ; Demonstrate usage of llvm.va_copy and llvm_va_end
+         %apv = load sbyte** %ap         ; <sbyte*> [#uses=1]
+         call void %llvm.va_copy(sbyte** %aq, sbyte* %apv)
+         call void %llvm.va_end(sbyte** %aq)
+ 
+         ; Stop processing of arguments.
+         call void %llvm.va_end(sbyte** %ap)
+         ret int %tmp
+ 
+ }