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1; RUN: llc < %s -march=lanai | FileCheck %s
2; RUN: llc < %s -march=lanai -disable-lanai-mem-alu-combiner | \
3; RUN:   FileCheck %s -check-prefix=CHECK-DIS
4
5; CHECK-LABEL: sum,
6; CHECK: ld [%r{{[0-9]+}}++], %r{{[0-9]+}}{{$}}
7; CHECK-DIS-LABEL: sum,
8; CHECK-DIS-NOT: ++],
9
10define i32 @sum(i32* inreg nocapture readonly %data, i32 inreg %n) {
11entry:
12  %cmp6 = icmp sgt i32 %n, 0
13  br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
14
15for.body.preheader:                               ; preds = %entry
16  br label %for.body
17
18for.cond.cleanup.loopexit:                        ; preds = %for.body
19  %add.lcssa = phi i32 [ %add, %for.body ]
20  br label %for.cond.cleanup
21
22for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
23  %sum_.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
24  ret i32 %sum_.0.lcssa
25
26for.body:                                         ; preds = %for.body.preheader, %for.body
27  %i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
28  %sum_.07 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
29  %arrayidx = getelementptr inbounds i32, i32* %data, i32 %i.08
30  %0 = load i32, i32* %arrayidx, align 4
31  %add = add nsw i32 %0, %sum_.07
32  %inc = add nuw nsw i32 %i.08, 1
33  %exitcond = icmp eq i32 %inc, %n
34  br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
35}
36