1 ; RUN: llvm-as < %s | opt -indvars -loop-deletion | llvm-dis | grep phi | count 1
3 ; Indvars should be able to evaluate this loop, allowing loop deletion
6 define i32 @test(i32 %x_offs) nounwind readnone {
8 %0 = icmp sgt i32 %x_offs, 4 ; <i1> [#uses=1]
9 br i1 %0, label %bb.nph, label %bb2
11 bb.nph: ; preds = %entry
14 bb: ; preds = %bb1, %bb.nph
15 %x_offs_addr.01 = phi i32 [ %1, %bb1 ], [ %x_offs, %bb.nph ] ; <i32> [#uses=1]
16 %1 = add i32 %x_offs_addr.01, -4 ; <i32> [#uses=3]
20 %2 = icmp sgt i32 %1, 4 ; <i1> [#uses=1]
21 br i1 %2, label %bb, label %bb1.bb2_crit_edge
23 bb1.bb2_crit_edge: ; preds = %bb1
26 bb2: ; preds = %bb1.bb2_crit_edge, %entry
27 %x_offs_addr.0.lcssa = phi i32 [ %1, %bb1.bb2_crit_edge ], [ %x_offs, %entry ] ; <i32> [#uses=1]
28 ret i32 %x_offs_addr.0.lcssa