Changes in directory llvm/test/Regression/Analysis/BasicAA:
2006-03-03-BadArraySubscript.ll added (r1.1)
---
Log message:
new testcase
---
Diffs of the changes: (+31 -0)
2006-03-03-BadArraySubscript.ll | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+)
Index: llvm/test/Regression/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll
diff -c /dev/null
llvm/test/Regression/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll:1.1
*** /dev/null Fri Mar 3 20:05:17 2006
--- llvm/test/Regression/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll
Fri Mar 3 20:05:07 2006
***************
*** 0 ****
--- 1,31 ----
+ ; RUN: llvm-as < %s | opt -aa-eval -disable-output 2>&1 | grep '2 no alias
respon'
+
+ ;; TEST that A[1][0] may alias A[0][i].
+
+ void %test(int %N) {
+ entry:
+ %X = alloca [3 x [3 x int]] ; <[3 x [3 x int]]*> [#uses=4]
+ %tmp.24 = setgt int %N, 0 ; <bool> [#uses=1]
+ br bool %tmp.24, label %no_exit, label %loopexit
+
+ no_exit: ; preds = %no_exit, %entry
+ %i.0.0 = phi int [ 0, %entry ], [ %inc, %no_exit ] ; <int>
[#uses=2]
+ %tmp.6 = getelementptr [3 x [3 x int]]* %X, int 0, int 0, int %i.0.0
; <int*> [#uses=1]
+ store int 1, int* %tmp.6
+ %tmp.8 = getelementptr [3 x [3 x int]]* %X, int 0, int 0, int 0
; <int*> [#uses=1]
+ %tmp.9 = load int* %tmp.8 ; <int> [#uses=1]
+ %tmp.11 = getelementptr [3 x [3 x int]]* %X, int 0, int 1, int 0
; <int*> [#uses=1]
+ %tmp.12 = load int* %tmp.11 ; <int> [#uses=1]
+ %tmp.13 = add int %tmp.12, %tmp.9 ; <int> [#uses=1]
+ %inc = add int %i.0.0, 1 ; <int> [#uses=2]
+ %tmp.2 = setlt int %inc, %N ; <bool> [#uses=1]
+ br bool %tmp.2, label %no_exit, label %loopexit
+
+ loopexit: ; preds = %no_exit, %entry
+ %Y.0.1 = phi int [ 0, %entry ], [ %tmp.13, %no_exit ] ; <int>
[#uses=1]
+ %tmp.4 = getelementptr [3 x [3 x int]]* %X, int 0, int 0
; <[3 x int]*> [#uses=1]
+ %tmp.15 = call int (...)* %foo( [3 x int]* %tmp.4, int %Y.0.1 )
; <int> [#uses=0]
+ ret void
+ }
+
+ declare int %foo(...)
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