| ; RUN: opt < %s -indvars -loop-deletion -S | FileCheck %s |
| |
| define i32 @test(i32 %x_offs) nounwind readnone { |
| ; CHECK-LABEL: @test( |
| ; CHECK: phi |
| ; CHECK-NOT: phi |
| |
| entry: |
| %0 = icmp sgt i32 %x_offs, 4 ; <i1> [#uses=1] |
| br i1 %0, label %bb.nph, label %bb2 |
| |
| bb.nph: ; preds = %entry |
| br label %bb |
| |
| bb: ; preds = %bb1, %bb.nph |
| %x_offs_addr.01 = phi i32 [ %1, %bb1 ], [ %x_offs, %bb.nph ] ; <i32> [#uses=1] |
| %1 = add i32 %x_offs_addr.01, -4 ; <i32> [#uses=3] |
| br label %bb1 |
| |
| bb1: ; preds = %bb |
| %2 = icmp sgt i32 %1, 4 ; <i1> [#uses=1] |
| br i1 %2, label %bb, label %bb1.bb2_crit_edge |
| |
| bb1.bb2_crit_edge: ; preds = %bb1 |
| br label %bb2 |
| |
| bb2: ; preds = %bb1.bb2_crit_edge, %entry |
| %x_offs_addr.0.lcssa = phi i32 [ %1, %bb1.bb2_crit_edge ], [ %x_offs, %entry ] ; <i32> [#uses=1] |
| ret i32 %x_offs_addr.0.lcssa |
| } |
