xref: /llvm-project/llvm/test/Analysis/DependenceAnalysis/Dump.ll (revision 46f9cddfd7e40998422d1e34a3f1193210ee2fb8)
1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
2; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \
3; RUN: | FileCheck %s
4
5;; Test to make sure the dump shows the src and dst
6;; instructions (including call instructions).
7;;
8;; void bar(ptr restrict A);
9;; void foo(ptr restrict A, int n) {
10;;   for (int i = 0; i < n; i++) {
11;;     A[i] = i;
12;;     bar(A);
13;;   }
14;; }
15
16define void @foo(ptr noalias %A, i32 signext %n) {
17; CHECK-LABEL: 'foo'
18; CHECK-NEXT:  Src: store float %conv, ptr %arrayidx, align 4 --> Dst: store float %conv, ptr %arrayidx, align 4
19; CHECK-NEXT:    da analyze - none!
20; CHECK-NEXT:  Src: store float %conv, ptr %arrayidx, align 4 --> Dst: call void @bar(ptr %A)
21; CHECK-NEXT:    da analyze - confused!
22; CHECK-NEXT:  Src: call void @bar(ptr %A) --> Dst: call void @bar(ptr %A)
23; CHECK-NEXT:    da analyze - confused!
24;
25entry:
26  %cmp1 = icmp slt i32 0, %n
27  br i1 %cmp1, label %for.body.lr.ph, label %for.end
28
29for.body.lr.ph:                                   ; preds = %entry
30  br label %for.body
31
32for.body:                                         ; preds = %for.body.lr.ph, %for.body
33  %i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
34  %conv = sitofp i32 %i.02 to float
35  %idxprom = zext i32 %i.02 to i64
36  %arrayidx = getelementptr inbounds float, ptr %A, i64 %idxprom
37  store float %conv, ptr %arrayidx, align 4
38  call void @bar(ptr %A) #3
39  %inc = add nuw nsw i32 %i.02, 1
40  %cmp = icmp slt i32 %inc, %n
41  br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
42
43for.cond.for.end_crit_edge:                       ; preds = %for.body
44  br label %for.end
45
46for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry
47  ret void
48}
49
50declare void @bar(ptr)
51