| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll -unroll-runtime-epilog=true | 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 | |