; RUN: opt %loadPolly -basic-aa -polly-stmt-granularity=bb -polly-print-ast -polly-ast-detect-parallel -disable-output < %s | FileCheck %s ; RUN: opt %loadPolly -polly-stmt-granularity=bb -print-polyhedral-info -polly-check-parallel -disable-output < %s | FileCheck %s -check-prefix=PINFO ; ; void f(int *restrict A, int *restrict B, int *restrict C, int *restrict D, ; int *restrict E, int N) { ; CHECK: #pragma minimal dependence distance: N >= 35 ? 1 : N >= 17 && N <= 34 ? 2 : 5 ; PINFO: for.cond: Loop is not parallel. ; for (int i = 0; i < N; i++) { ; A[i] = A[100 - 2 * i] + 1; ; B[i] = B[100 - 3 * i] + 1; ; C[i] = C[100 - 4 * i] + 1; ; D[i] = D[100 - 5 * i] + 1; ; E[i] = E[100 - 6 * i] + 1; ; } ; } ; target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @f(ptr noalias %A, ptr noalias %B, ptr noalias %C, ptr noalias %D, ptr noalias %E, i32 %N) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %cmp = icmp slt i32 %i.0, %N br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %mul = shl nsw i32 %i.0, 1 %sub = sub nsw i32 100, %mul %arrayidx = getelementptr inbounds i32, ptr %A, i32 %sub %tmp = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %tmp, 1 %arrayidx1 = getelementptr inbounds i32, ptr %A, i32 %i.0 store i32 %add, ptr %arrayidx1, align 4 %tmp1 = mul i32 %i.0, -3 %sub3 = add i32 %tmp1, 100 %arrayidx4 = getelementptr inbounds i32, ptr %B, i32 %sub3 %tmp2 = load i32, ptr %arrayidx4, align 4 %add5 = add nsw i32 %tmp2, 1 %arrayidx6 = getelementptr inbounds i32, ptr %B, i32 %i.0 store i32 %add5, ptr %arrayidx6, align 4 %mul7 = shl nsw i32 %i.0, 2 %sub8 = sub nsw i32 100, %mul7 %arrayidx9 = getelementptr inbounds i32, ptr %C, i32 %sub8 %tmp3 = load i32, ptr %arrayidx9, align 4 %add10 = add nsw i32 %tmp3, 1 %arrayidx11 = getelementptr inbounds i32, ptr %C, i32 %i.0 store i32 %add10, ptr %arrayidx11, align 4 %tmp4 = mul i32 %i.0, -5 %sub13 = add i32 %tmp4, 100 %arrayidx14 = getelementptr inbounds i32, ptr %D, i32 %sub13 %tmp5 = load i32, ptr %arrayidx14, align 4 %add15 = add nsw i32 %tmp5, 1 %arrayidx16 = getelementptr inbounds i32, ptr %D, i32 %i.0 store i32 %add15, ptr %arrayidx16, align 4 %tmp6 = mul i32 %i.0, -6 %sub18 = add i32 %tmp6, 100 %arrayidx19 = getelementptr inbounds i32, ptr %E, i32 %sub18 %tmp7 = load i32, ptr %arrayidx19, align 4 %add20 = add nsw i32 %tmp7, 1 %arrayidx21 = getelementptr inbounds i32, ptr %E, i32 %i.0 store i32 %add20, ptr %arrayidx21, align 4 br label %for.inc for.inc: ; preds = %for.body %inc = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void }