; RUN: opt < %s -loop-reduce -S | not grep uglygep ; LSR shouldn't consider %t8 to be an interesting user of %t6, and it ; should be able to form pretty GEPs. target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" define void @Z4() nounwind { bb: br label %bb3 bb1: ; preds = %bb3 br i1 undef, label %bb10, label %bb2 bb2: ; preds = %bb1 %t = add i64 %t4, 1 ; [#uses=1] br label %bb3 bb3: ; preds = %bb2, %bb %t4 = phi i64 [ %t, %bb2 ], [ 0, %bb ] ; [#uses=3] br label %bb1 bb10: ; preds = %bb9 %t7 = icmp eq i64 %t4, 0 ; [#uses=1] %t3 = add i64 %t4, 16 ; [#uses=1] br label %bb14 bb14: ; preds = %bb14, %bb10 %t2 = getelementptr inbounds i8* undef, i64 %t4 ; [#uses=1] store i8 undef, i8* %t2 %t6 = load float** undef %t8 = bitcast float* %t6 to i8* ; [#uses=1] %t9 = getelementptr inbounds i8* %t8, i64 %t3 ; [#uses=1] store i8 undef, i8* %t9 br label %bb14 } define fastcc void @TransformLine() nounwind { bb: br label %loop0 loop0: ; preds = %loop0, %bb %i0 = phi i32 [ %i0.next, %loop0 ], [ 0, %bb ] ; [#uses=2] %i0.next = add i32 %i0, 1 ; [#uses=1] br i1 false, label %loop0, label %bb0 bb0: ; preds = %loop0 br label %loop1 loop1: ; preds = %bb5, %bb0 %i1 = phi i32 [ 0, %bb0 ], [ %i1.next, %bb5 ] ; [#uses=4] %t0 = add i32 %i0, %i1 ; [#uses=1] br i1 false, label %bb2, label %bb6 bb2: ; preds = %loop1 br i1 true, label %bb6, label %bb5 bb5: ; preds = %bb2 %i1.next = add i32 %i1, 1 ; [#uses=1] br i1 true, label %bb6, label %loop1 bb6: ; preds = %bb5, %bb2, %loop1 %p8 = phi i32 [ %t0, %bb5 ], [ undef, %loop1 ], [ undef, %bb2 ] ; [#uses=0] %p9 = phi i32 [ undef, %bb5 ], [ %i1, %loop1 ], [ %i1, %bb2 ] ; [#uses=0] unreachable }