1 ; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll | FileCheck %s -check-prefix=EPILOG 2 ; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll -unroll-runtime-epilog=false | FileCheck %s -check-prefix=PROLOG 3 4 define i32 @test(i32* nocapture %a, i32 %n) nounwind uwtable readonly { 5 entry: 6 %cmp1 = icmp eq i32 %n, 0 7 br i1 %cmp1, label %for.end, label %for.body 8 9 for.body: ; preds = %for.body, %entry 10 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 11 %sum.02 = phi i32 [ %add, %for.body ], [ 0, %entry ] 12 %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv 13 %0 = load i32, i32* %arrayidx, align 4 14 %add = add nsw i32 %0, %sum.02 15 %indvars.iv.next = add i64 %indvars.iv, 1 16 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 17 %exitcond = icmp eq i32 %lftr.wideiv, %n 18 br i1 %exitcond, label %for.end, label %for.body 19 20 for.end: ; preds = %for.body, %entry 21 %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] 22 ret i32 %sum.0.lcssa 23 } 24 25 ; EPILOG-LABEL: @test 26 ; EPILOG: for.body: 27 ; EPILOG: br i1 %niter.ncmp.7, label %for.end.loopexit{{.*}}, label %for.body 28 ; EPILOG: for.body.epil{{.*}}: 29 30 ; PROLOG-LABEL: @test 31 ; PROLOG: for.body.prol{{.*}}: 32 ; PROLOG: for.body: 33 ; PROLOG: br i1 %exitcond.7, label %for.end.loopexit{{.*}}, label %for.body 34 35
