1; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s
2;
3; The SCEV expression in this test case refers to a sequence of sdiv
4; instructions, which are part of different bbs in the SCoP. When code
5; generating the parameter expressions, the code that is generated by the SCEV
6; expander has still references to the in-scop instructions, which was invalid.
7;
8; CHECK: polly.start
9;
10target triple = "x86_64-unknown-linux-gnu"
11
12define void @_vorbis_apply_window(float* %d, i64 %param) {
13entry:
14  %0 = load float*, float** undef, align 8
15  %div23.neg = sdiv i64 0, -4
16  %sub24 = add i64 0, %div23.neg
17  br label %for.cond.30.preheader
18
19for.cond.30.preheader:                            ; preds = %for.body, %entry
20  %sext = shl i64 %sub24, 32
21  %conv48.74 = ashr exact i64 %sext, 32
22  %div43 = sdiv i64 %param, 2
23  %cmp49.75 = icmp slt i64 %conv48.74, 0
24  br i1 %cmp49.75, label %for.body.51.lr.ph, label %for.cond.60.preheader
25
26for.body.51.lr.ph:                                ; preds = %for.cond.30.preheader
27  %div44 = sdiv i64 %div43, 2
28  %sub45 = add nsw i64 %div44, 4294967295
29  %1 = trunc i64 %sub45 to i32
30  %2 = sext i32 %1 to i64
31  br label %for.body.51
32
33for.cond.60.preheader:                            ; preds = %for.body.51, %for.cond.30.preheader
34  ret void
35
36for.body.51:                                      ; preds = %for.body.51, %for.body.51.lr.ph
37  %indvars.iv86 = phi i64 [ %2, %for.body.51.lr.ph ], [ undef, %for.body.51 ]
38  %arrayidx53 = getelementptr inbounds float, float* %0, i64 %indvars.iv86
39  %3 = load float, float* %arrayidx53, align 4
40  %arrayidx55 = getelementptr inbounds float, float* %d, i64 0
41  %mul56 = fmul float %3, undef
42  store float %mul56, float* %arrayidx55, align 4
43  br i1 false, label %for.body.51, label %for.cond.60.preheader
44}
45