1 ; RUN: opt < %s -disable-output "-passes=print<ddg>" 2>&1 | FileCheck %s
3 ; CHECK-LABEL: 'DDG' for loop 'test1.for.body':
5 ; CHECK: Node Address:[[N1:0x[0-9a-f]*]]:single-instruction
6 ; CHECK-NEXT: Instructions:
7 ; CHECK-NEXT: %i2.03 = phi i64 [ 0, %for.body.lr.ph ], [ %inc2, %test1.for.body ]
9 ; CHECK: Node Address:[[N2:0x[0-9a-f]*]]:single-instruction
10 ; CHECK-NEXT: Instructions:
11 ; CHECK-NEXT: %i1.02 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %test1.for.body ]
13 ; CHECK: Node Address:[[ROOT:0x[0-9a-f]*]]:root
15 ; CHECK-NEXT: [rooted] to [[N1]]
16 ; CHECK-NEXT: [rooted] to [[N2]]
19 ;; // Two separate components in the graph. Root node must link to both.
20 ;; void test1(unsigned long n, float * restrict a, float * restrict b) {
21 ;; for (unsigned long i1 = 0, i2 = 0; i1 < n; i1++, i2++) {
27 define void @test1(i64 %n, float* noalias %a, float* noalias %b) {
29 %cmp1 = icmp ult i64 0, %n
30 br i1 %cmp1, label %for.body.lr.ph, label %for.end
32 for.body.lr.ph: ; preds = %entry
33 br label %test1.for.body
35 test1.for.body: ; preds = %for.body.lr.ph, %test1.for.body
36 %i2.03 = phi i64 [ 0, %for.body.lr.ph ], [ %inc2, %test1.for.body ]
37 %i1.02 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %test1.for.body ]
38 %arrayidx = getelementptr inbounds float, float* %a, i64 %i1.02
39 store float 1.000000e+00, float* %arrayidx, align 4
40 %arrayidx1 = getelementptr inbounds float, float* %b, i64 %i2.03
41 store float -1.000000e+00, float* %arrayidx1, align 4
42 %inc = add i64 %i1.02, 1
43 %inc2 = add i64 %i2.03, 1
44 %cmp = icmp ult i64 %inc, %n
45 br i1 %cmp, label %test1.for.body, label %for.cond.for.end_crit_edge
47 for.cond.for.end_crit_edge: ; preds = %test1.for.body
50 for.end: ; preds = %for.cond.for.end_crit_edge, %entry