[llvm-commits] CVS: llvm/test/Regression/Analysis/BasicAA/global-size.ll

[Chris Lattner]

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

global-size.ll added (r1.1)
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Log message:

new testcase basicaa should handle


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Diffs of the changes:  (+17 -0)

Index: llvm/test/Regression/Analysis/BasicAA/global-size.ll
diff -c /dev/null llvm/test/Regression/Analysis/BasicAA/global-size.ll:1.1
*** /dev/null	Fri Nov 26 13:19:38 2004
--- llvm/test/Regression/Analysis/BasicAA/global-size.ll	Fri Nov 26 13:19:28 2004
***************
*** 0 ****
--- 1,17 ----
+ ; A store or load cannot alias a global if the accessed amount is larger then
+ ; the global.
+ 
+ ; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep load
+ 
+ %B = global short 8
+ 
+ implementation
+ 
+ short %test(int *%P) {
+ 	%X = load short* %B
+ 	store int 7, int* %P
+ 	%Y = load short* %B
+ 	%Z = sub short %Y, %X
+ 	ret short %Z
+ }
+