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; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-print-scops -disable-output \
; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
;
; See http://research.microsoft.com/pubs/151917/divmodnote-letter.pdf
;
; void f(long *A) {
; for (long i = 0; i < 10; i++) {
; A[8 / 3] = A[8 % 3];
; A[8 / -3] = A[8 % -3];
; A[-8 / 3] = A[-8 % 3];
; A[-8 / -3] = A[-8 % -3];
; A[1 / 2] = A[1 % 2];
; A[1 / -2] = A[1 % -2];
; A[-1 / 2] = A[-1 % 2];
; A[-1 / -2] = A[-1 % -2];
; }
; }
;
; CHECK: { Stmt_for_body[i0] -> MemRef_R[2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[-2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[-2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[1] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[1] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[-1] };
; CHECK: { Stmt_for_body[i0] -> MemRef_R[-1] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[-2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[-2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[2] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };
; CHECK: { Stmt_for_body[i0] -> MemRef_D[0] };
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i64* %D, i64* %R) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i64 %i.0, 10
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%rem = srem i64 8, 3
%arrayidx = getelementptr inbounds i64, i64* %R, i64 %rem
%tmp = load i64, i64* %arrayidx, align 8
%div = sdiv i64 8, 3
%arrayidx1 = getelementptr inbounds i64, i64* %D, i64 %div
store i64 %tmp, i64* %arrayidx1, align 8
%rem2 = srem i64 8, -3
%arrayidx3 = getelementptr inbounds i64, i64* %R, i64 %rem2
%tmp1 = load i64, i64* %arrayidx3, align 8
%div5 = sdiv i64 8, -3
%arrayidx6 = getelementptr inbounds i64, i64* %D, i64 %div5
store i64 %tmp1, i64* %arrayidx6, align 8
%rem8 = srem i64 -8, 3
%arrayidx9 = getelementptr inbounds i64, i64* %R, i64 %rem8
%tmp2 = load i64, i64* %arrayidx9, align 8
%div11 = sdiv i64 -8, 3
%arrayidx12 = getelementptr inbounds i64, i64* %D, i64 %div11
store i64 %tmp2, i64* %arrayidx12, align 8
%rem15 = srem i64 -8, -3
%arrayidx16 = getelementptr inbounds i64, i64* %R, i64 %rem15
%tmp3 = load i64, i64* %arrayidx16, align 8
%div19 = sdiv i64 -8, -3
%arrayidx20 = getelementptr inbounds i64, i64* %D, i64 %div19
store i64 %tmp3, i64* %arrayidx20, align 8
%rem29 = srem i64 1, 2
%arrayidx30 = getelementptr inbounds i64, i64* %R, i64 %rem29
%tmp5 = load i64, i64* %arrayidx30, align 8
%div31 = sdiv i64 1, 2
%arrayidx32 = getelementptr inbounds i64, i64* %D, i64 %div31
store i64 %tmp5, i64* %arrayidx32, align 8
%rem34 = srem i64 1, -2
%arrayidx35 = getelementptr inbounds i64, i64* %R, i64 %rem34
%tmp6 = load i64, i64* %arrayidx35, align 8
%div37 = sdiv i64 1, -2
%arrayidx38 = getelementptr inbounds i64, i64* %D, i64 %div37
store i64 %tmp6, i64* %arrayidx38, align 8
%rem40 = srem i64 -1, 2
%arrayidx41 = getelementptr inbounds i64, i64* %R, i64 %rem40
%tmp7 = load i64, i64* %arrayidx41, align 8
%div43 = sdiv i64 -1, 2
%arrayidx44 = getelementptr inbounds i64, i64* %D, i64 %div43
store i64 %tmp7, i64* %arrayidx44, align 8
%rem47 = srem i64 -1, -2
%arrayidx48 = getelementptr inbounds i64, i64* %R, i64 %rem47
%tmp8 = load i64, i64* %arrayidx48, align 8
%div51 = sdiv i64 -1, -2
%arrayidx52 = getelementptr inbounds i64, i64* %D, i64 %div51
store i64 %tmp8, i64* %arrayidx52, align 8
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nuw nsw i64 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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