[llvm-commits] CVS: llvm/test/Regression/Transforms/SCCP/logical-nuke.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/SCCP:

logical-nuke.ll added (r1.1)
---
Log message:

New testcase.  If one side of and/or is known to be 0/-1, it doesn't matter
if the other side is overdefined.


---
Diffs of the changes:  (+8 -0)

Index: llvm/test/Regression/Transforms/SCCP/logical-nuke.ll
diff -c /dev/null llvm/test/Regression/Transforms/SCCP/logical-nuke.ll:1.1
*** /dev/null	Sat Dec 11 17:14:50 2004
--- llvm/test/Regression/Transforms/SCCP/logical-nuke.ll	Sat Dec 11 17:14:40 2004
***************
*** 0 ****
--- 1,8 ----
+ ; RUN: llvm-as < %s | opt -sccp | llvm-dis | grep 'ret int 0'
+ 
+ ; Test that SCCP has basic knowledge of when and/or nuke overdefined values.
+ 
+ int %test(int %X) {
+ 	%Y = and int %X, 0
+ 	ret int %Y
+ }