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1; RUN: opt %loadNPMPolly -polly-stmt-granularity=bb '-passes=polly-custom<scops>' -polly-print-scops -disable-output -polly-invariant-load-hoisting=true < %s 2>&1 | FileCheck %s2;3; See http://research.microsoft.com/pubs/151917/divmodnote-letter.pdf4;5; void f(long *A) {6; for (long i = 0; i < 10; i++) {7; A[8 / 3] = A[8 % 3];8; A[8 / -3] = A[8 % -3];9; A[-8 / 3] = A[-8 % 3];10; A[-8 / -3] = A[-8 % -3];11; A[1 / 2] = A[1 % 2];12; A[1 / -2] = A[1 % -2];13; A[-1 / 2] = A[-1 % 2];14; A[-1 / -2] = A[-1 % -2];15; }16; }17;18; CHECK: { Stmt_for_body[i0] -> MemRef_R[2] };19; CHECK: { Stmt_for_body[i0] -> MemRef_R[2] };20; CHECK: { Stmt_for_body[i0] -> MemRef_R[-2] };21; CHECK: { Stmt_for_body[i0] -> MemRef_R[-2] };22; CHECK: { Stmt_for_body[i0] -> MemRef_R[1] };23; CHECK: { Stmt_for_body[i0] -> MemRef_R[1] };24; CHECK: { Stmt_for_body[i0] -> MemRef_R[-1] };25; CHECK: { Stmt_for_body[i0] -> MemRef_R[-1] };26; CHECK: { Stmt_for_body[i0] -> MemRef_D[2] };27; CHECK: { Stmt_for_body[i0] -> MemRef_D[-2] };28; CHECK: { Stmt_for_body[i0] -> MemRef_D[-2] };29; CHECK: { Stmt_for_body[i0] -> MemRef_D[2] };30; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };31; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };32; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };33; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };34;35target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"36 37define void @f(ptr %D, ptr %R) {38entry:39 br label %for.cond40 41for.cond: ; preds = %for.inc, %entry42 %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]43 %exitcond = icmp ne i64 %i.0, 1044 br i1 %exitcond, label %for.body, label %for.end45 46for.body: ; preds = %for.cond47 %rem = srem i64 8, 348 %arrayidx = getelementptr inbounds i64, ptr %R, i64 %rem49 %tmp = load i64, ptr %arrayidx, align 850 %div = sdiv i64 8, 351 %arrayidx1 = getelementptr inbounds i64, ptr %D, i64 %div52 store i64 %tmp, ptr %arrayidx1, align 853 %rem2 = srem i64 8, -354 %arrayidx3 = getelementptr inbounds i64, ptr %R, i64 %rem255 %tmp1 = load i64, ptr %arrayidx3, align 856 %div5 = sdiv i64 8, -357 %arrayidx6 = getelementptr inbounds i64, ptr %D, i64 %div558 store i64 %tmp1, ptr %arrayidx6, align 859 %rem8 = srem i64 -8, 360 %arrayidx9 = getelementptr inbounds i64, ptr %R, i64 %rem861 %tmp2 = load i64, ptr %arrayidx9, align 862 %div11 = sdiv i64 -8, 363 %arrayidx12 = getelementptr inbounds i64, ptr %D, i64 %div1164 store i64 %tmp2, ptr %arrayidx12, align 865 %rem15 = srem i64 -8, -366 %arrayidx16 = getelementptr inbounds i64, ptr %R, i64 %rem1567 %tmp3 = load i64, ptr %arrayidx16, align 868 %div19 = sdiv i64 -8, -369 %arrayidx20 = getelementptr inbounds i64, ptr %D, i64 %div1970 store i64 %tmp3, ptr %arrayidx20, align 871 %rem29 = srem i64 1, 272 %arrayidx30 = getelementptr inbounds i64, ptr %R, i64 %rem2973 %tmp5 = load i64, ptr %arrayidx30, align 874 %div31 = sdiv i64 1, 275 %arrayidx32 = getelementptr inbounds i64, ptr %D, i64 %div3176 store i64 %tmp5, ptr %arrayidx32, align 877 %rem34 = srem i64 1, -278 %arrayidx35 = getelementptr inbounds i64, ptr %R, i64 %rem3479 %tmp6 = load i64, ptr %arrayidx35, align 880 %div37 = sdiv i64 1, -281 %arrayidx38 = getelementptr inbounds i64, ptr %D, i64 %div3782 store i64 %tmp6, ptr %arrayidx38, align 883 %rem40 = srem i64 -1, 284 %arrayidx41 = getelementptr inbounds i64, ptr %R, i64 %rem4085 %tmp7 = load i64, ptr %arrayidx41, align 886 %div43 = sdiv i64 -1, 287 %arrayidx44 = getelementptr inbounds i64, ptr %D, i64 %div4388 store i64 %tmp7, ptr %arrayidx44, align 889 %rem47 = srem i64 -1, -290 %arrayidx48 = getelementptr inbounds i64, ptr %R, i64 %rem4791 %tmp8 = load i64, ptr %arrayidx48, align 892 %div51 = sdiv i64 -1, -293 %arrayidx52 = getelementptr inbounds i64, ptr %D, i64 %div5194 store i64 %tmp8, ptr %arrayidx52, align 895 br label %for.inc96 97for.inc: ; preds = %for.body98 %inc = add nuw nsw i64 %i.0, 199 br label %for.cond100 101for.end: ; preds = %for.cond102 ret void103}104