1; RUN: opt %loadNPMPolly -S -passes=polly-codegen < %s | FileCheck %s 2; 3; This test case has a inner SCEV sdiv that will escape the SCoP. Just check we 4; do not crash and generate valid code. 5; 6; CHECK: polly.split_new_and_old: 7; 8target triple = "x86_64-unknown-linux-gnu" 9 10define i64 @_vorbis_apply_window(ptr %d, i64 %param) { 11entry: 12 %0 = load ptr, ptr undef, align 8 13 %div23.neg = sdiv i64 0, -4 14 %sub24 = add i64 0, %div23.neg 15 br label %for.cond.30.preheader 16 17for.cond.30.preheader: ; preds = %for.body, %entry 18 %sext = shl i64 %sub24, 32 19 %conv48.74 = ashr exact i64 %sext, 32 20 %div43 = sdiv i64 %param, 2 21 %cmp49.75 = icmp slt i64 %conv48.74, 0 22 br i1 %cmp49.75, label %for.body.51.lr.ph, label %for.cond.60.preheader 23 24for.body.51.lr.ph: ; preds = %for.cond.30.preheader 25 %div44 = sdiv i64 %div43, 2 26 %sub45 = add nsw i64 %div44, 4294967295 27 %1 = trunc i64 %sub45 to i32 28 %2 = sext i32 %1 to i64 29 br label %for.body.51 30 31for.cond.60.preheader: ; preds = %for.body.51, %for.cond.30.preheader 32 %div44.m = phi i64 [%div44, %for.body.51], [ 0, %for.cond.30.preheader] 33 br i1 true, label %end, label %for.cond.30.preheader 34 35end: 36 ret i64 %div44.m 37 38for.body.51: ; preds = %for.body.51, %for.body.51.lr.ph 39 %indvars.iv86 = phi i64 [ %2, %for.body.51.lr.ph ], [ poison, %for.body.51 ] 40 %arrayidx53 = getelementptr inbounds float, ptr %0, i64 %indvars.iv86 41 %3 = load float, ptr %arrayidx53, align 4 42 %mul56 = fmul float %3, undef 43 store float %mul56, ptr %d, align 4 44 br i1 false, label %for.body.51, label %for.cond.60.preheader 45} 46