[llvm-commits] CVS: llvm/test/Regression/Analysis/BasicAA/tailcall-modref.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Analysis/BasicAA:

tailcall-modref.ll added (r1.1)
---
Log message:

New testacse for information exposed by the 'tail' call marker.


---
Diffs of the changes:  (+16 -0)

 tailcall-modref.ll |   16 ++++++++++++++++
 1 files changed, 16 insertions(+)


Index: llvm/test/Regression/Analysis/BasicAA/tailcall-modref.ll
diff -c /dev/null llvm/test/Regression/Analysis/BasicAA/tailcall-modref.ll:1.1
*** /dev/null	Sun May  8 18:57:44 2005
--- llvm/test/Regression/Analysis/BasicAA/tailcall-modref.ll	Sun May  8 18:57:34 2005
***************
*** 0 ****
--- 1,16 ----
+ ; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | grep 'ret int 0'
+ declare void %foo(int*)
+ declare void %bar()
+ 
+ int %test() {
+ 	%A = alloca int
+ 	call void %foo(int* %A)
+ 
+ 	%X = load int* %A
+ 	tail call void %bar()   ;; Cannot modify *%A because it's on the stack.
+ 	%Y = load int* %A
+ 	%Z = sub int %X, %Y
+ 	ret int %Z
+ }
+ 
+