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llvm-mirror/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll
Tanya Lattner f37f44f9ec Remove llvm-upgrade.
llvm-svn: 47110
2008-02-14 06:56:27 +00:00

31 lines
1.3 KiB
LLVM

; RUN: llvm-as < %s | opt -aa-eval -disable-output |& grep {2 no alias respon}
; TEST that A[1][0] may alias A[0][i].
define void @test(i32 %N) {
entry:
%X = alloca [3 x [3 x i32]] ; <[3 x [3 x i32]]*> [#uses=4]
%tmp.24 = icmp sgt i32 %N, 0 ; <i1> [#uses=1]
br i1 %tmp.24, label %no_exit, label %loopexit
no_exit: ; preds = %no_exit, %entry
%i.0.0 = phi i32 [ 0, %entry ], [ %inc, %no_exit ] ; <i32> [#uses=2]
%tmp.6 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 0, i32 %i.0.0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp.6
%tmp.8 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 0, i32 0 ; <i32*> [#uses=1]
%tmp.9 = load i32* %tmp.8 ; <i32> [#uses=1]
%tmp.11 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 1, i32 0 ; <i32*> [#uses=1]
%tmp.12 = load i32* %tmp.11 ; <i32> [#uses=1]
%tmp.13 = add i32 %tmp.12, %tmp.9 ; <i32> [#uses=1]
%inc = add i32 %i.0.0, 1 ; <i32> [#uses=2]
%tmp.2 = icmp slt i32 %inc, %N ; <i1> [#uses=1]
br i1 %tmp.2, label %no_exit, label %loopexit
loopexit: ; preds = %no_exit, %entry
%Y.0.1 = phi i32 [ 0, %entry ], [ %tmp.13, %no_exit ] ; <i32> [#uses=1]
%tmp.4 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 0 ; <[3 x i32]*> [#uses=1]
%tmp.15 = call i32 (...)* @foo( [3 x i32]* %tmp.4, i32 %Y.0.1 ) ; <i32> [#uses=0]
ret void
}
declare i32 @foo(...)