| ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s |
| ; |
| ; CHECK: Reduction Type: + |
| ; |
| ; void f(int *sum) { |
| ; for (int i = 0; i < 100; i++) |
| ; sum[i] = sum[99-i] + i; |
| ; } |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" |
| |
| define void @f(i32* %sum) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] |
| %exitcond = icmp ne i32 %i.0, 100 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %sub = sub nsw i32 99, %i.0 |
| %arrayidx = getelementptr inbounds i32, i32* %sum, i32 %sub |
| %tmp = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %tmp, %i.0 |
| %arrayidx1 = getelementptr inbounds i32, i32* %sum, i32 %i.0 |
| store i32 %add, i32* %arrayidx1, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %inc = add nsw i32 %i.0, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |