1 ; RUN: opt -S -indvars < %s | FileCheck %s 2 3 ; PR12627 4 define void @test1(i32 %x) nounwind uwtable ssp { 5 entry: 6 br label %for.body 7 8 for.body: ; preds = %for.body, %entry 9 %phi1 = phi i1 [ false, %entry ], [ %cmpa, %for.body ] 10 %phi2 = phi i1 [ false, %entry ], [ %cmpb, %for.body ] 11 %i.07 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 12 tail call void @aux(i1 %phi1, i1 %phi2) nounwind 13 %cmpa = icmp sgt i32 %i.07, 200 14 %cmpb = icmp sgt i32 %i.07, 100 15 %inc = add nsw i32 %i.07, 1 16 %exitcond = icmp eq i32 %inc, 100 17 br i1 %exitcond, label %for.end, label %for.body 18 19 for.end: ; preds = %for.body 20 ret void 21 22 ; CHECK-LABEL: @test1( 23 ; CHECK-NOT: phi i1 24 ; CHECK: call void @aux(i1 false, i1 false) 25 } 26 27 declare void @aux(i1, i1) 28
