1 ; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s
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.
10 target triple = "x86_64-unknown-linux-gnu"
12 define void @_vorbis_apply_window(ptr %d, i64 %param) {
14 %0 = load ptr, ptr undef, align 8
15 %div23.neg = sdiv i64 0, -4
16 %sub24 = add i64 0, %div23.neg
17 br label %for.cond.30.preheader
19 for.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
26 for.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
33 for.cond.60.preheader: ; preds = %for.body.51, %for.cond.30.preheader
36 for.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, ptr %0, i64 %indvars.iv86
39 %3 = load float, ptr %arrayidx53, align 4
40 %mul56 = fmul float %3, undef
41 store float %mul56, ptr %d, align 4
42 br i1 false, label %for.body.51, label %for.cond.60.preheader