xref: /llvm-project/polly/test/CodeGen/variant_load_empty_domain.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -passes=polly-codegen -disable-output < %s
2;
3;
4;    void f(int *A) {
5;      for (int i = 1; i < 10; i++) {
6;        A[i]++;
7;        if (i > 10)
8;          A[i] += A[0];
9;      }
10;    }
11;
12target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
13
14define void @f(ptr %A) {
15entry:
16  br label %for.cond
17
18for.cond:                                         ; preds = %for.inc, %entry
19  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 1, %entry ]
20  %exitcond = icmp ne i64 %indvars.iv, 10
21  br i1 %exitcond, label %for.body, label %for.end
22
23for.body:                                         ; preds = %for.cond
24  %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
25  %tmp = load i32, ptr %arrayidx, align 4
26  %inc = add nsw i32 %tmp, 1
27  store i32 %inc, ptr %arrayidx, align 4
28  br i1 false, label %if.then, label %if.end
29
30if.then:                                          ; preds = %for.body
31  %tmp1 = load i32, ptr %A, align 4
32  %arrayidx4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
33  %tmp2 = load i32, ptr %arrayidx4, align 4
34  %add = add nsw i32 %tmp2, %tmp1
35  store i32 %add, ptr %arrayidx4, align 4
36  br label %if.end
37
38if.end:                                           ; preds = %if.then, %for.body
39  br label %for.inc
40
41for.inc:                                          ; preds = %if.end
42  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
43  br label %for.cond
44
45for.end:                                          ; preds = %for.cond
46  ret void
47}
48