xref: /llvm-project/polly/test/ScopInliner/invariant-load-func.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -polly-detect-full-functions -polly-scop-inliner \
2; RUN: -polly-invariant-load-hoisting '-passes=print<polly-function-scops>' -disable-output < %s | FileCheck %s
3
4; Check that we inline a function that requires invariant load hoisting
5; correctly.
6; CHECK:    Max Loop Depth:  2
7
8; REQUIRES: pollyacc
9
10
11; void to_be_inlined(int A[], int *begin, int *end) {
12;     for(int i = *begin; i < *end; i++) {
13;         A[i] = 10;
14;     }
15; }
16;
17; static const int N = 1000;
18;
19; void inline_site(int A[], int *begin, int *end) {
20;     for(int i = 0; i < N; i++)
21;         to_be_inlined(A);
22; }
23
24target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
25target triple = "x86_64-apple-macosx10.12.0"
26
27define void @to_be_inlined(ptr %A, ptr %begin, ptr %end) {
28entry:
29  br label %entry.split
30
31entry.split:                                      ; preds = %entry
32  %tmp = load i32, ptr %begin, align 4
33  %tmp21 = load i32, ptr %end, align 4
34  %cmp3 = icmp slt i32 %tmp, %tmp21
35  br i1 %cmp3, label %for.body.lr.ph, label %for.end
36
37for.body.lr.ph:                                   ; preds = %entry.split
38  %tmp1 = sext i32 %tmp to i64
39  br label %for.body
40
41for.body:                                         ; preds = %for.body.lr.ph, %for.body
42  %indvars.iv4 = phi i64 [ %tmp1, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
43  %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv4
44  store i32 10, ptr %arrayidx, align 4
45  %indvars.iv.next = add i64 %indvars.iv4, 1
46  %tmp2 = load i32, ptr %end, align 4
47  %tmp3 = sext i32 %tmp2 to i64
48  %cmp = icmp slt i64 %indvars.iv.next, %tmp3
49  br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
50
51for.cond.for.end_crit_edge:                       ; preds = %for.body
52  br label %for.end
53
54for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry.split
55  ret void
56}
57
58
59define void @inline_site(ptr %A, ptr %begin, ptr %end) {
60entry:
61  br label %entry.split
62
63entry.split:                                      ; preds = %entry
64  br label %for.body
65
66for.body:                                         ; preds = %entry.split, %for.body
67  %i.01 = phi i32 [ 0, %entry.split ], [ %inc, %for.body ]
68  tail call void @to_be_inlined(ptr %A, ptr %begin, ptr %end)
69  %inc = add nuw nsw i32 %i.01, 1
70  %exitcond = icmp eq i32 %inc, 1000
71  br i1 %exitcond, label %for.end, label %for.body
72
73for.end:                                          ; preds = %for.body
74  ret void
75}
76
77