| ; RUN: opt < %s -basic-aa -aa-eval -disable-output 2>&1 | FileCheck %s |
| ; TEST that A[1][0] may alias A[0][i]. |
| target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" |
| |
| ; CHECK: 2 no alias responses |
| |
| 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]], [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]], [3 x [3 x i32]]* %X, i32 0, i32 0, i32 0 ; <i32*> [#uses=1] |
| %tmp.9 = load i32, i32* %tmp.8 ; <i32> [#uses=1] |
| %tmp.11 = getelementptr [3 x [3 x i32]], [3 x [3 x i32]]* %X, i32 0, i32 1, i32 0 ; <i32*> [#uses=1] |
| %tmp.12 = load i32, 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]], [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(...) |