From 42983657adad2395f82d3c6f099f325212fb8ab3 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 4 Mar 2006 02:05:07 +0000 Subject: new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26514 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../BasicAA/2006-03-03-BadArraySubscript.ll | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll (limited to 'test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll') diff --git a/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll b/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll new file mode 100644 index 0000000..767df34 --- /dev/null +++ b/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll @@ -0,0 +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 ; [#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 ] ; [#uses=2] + %tmp.6 = getelementptr [3 x [3 x int]]* %X, int 0, int 0, int %i.0.0 ; [#uses=1] + store int 1, int* %tmp.6 + %tmp.8 = getelementptr [3 x [3 x int]]* %X, int 0, int 0, int 0 ; [#uses=1] + %tmp.9 = load int* %tmp.8 ; [#uses=1] + %tmp.11 = getelementptr [3 x [3 x int]]* %X, int 0, int 1, int 0 ; [#uses=1] + %tmp.12 = load int* %tmp.11 ; [#uses=1] + %tmp.13 = add int %tmp.12, %tmp.9 ; [#uses=1] + %inc = add int %i.0.0, 1 ; [#uses=2] + %tmp.2 = setlt int %inc, %N ; [#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 ] ; [#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 ) ; [#uses=0] + ret void +} + +declare int %foo(...) -- cgit v1.1