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- ; RUN: opt < %s -indvars -loop-deletion -S | grep phi | count 1
- define i32 @test(i32 %x_offs) nounwind readnone {
- 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
- }
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