llvm-project

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; RUN: opt %loadNPMPolly '-passes=print<polly-ast>' -disable-output < %s | FileCheck %s
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;
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;    void jd(int *A, int *B, int c) {
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;      for (int i = 0; i < 1024; i++)
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;        A[i] = B[c - 10] + B[5];
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;    }
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;
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; CHECK: if (1 && 0 == c <= -{{[0-9]*}} && (&MemRef_B[max(6, c - 9)] <= &MemRef_A[0] || &MemRef_A[1024] <= &MemRef_B[min(5, c - 10)]))
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; CHECK:     for (int c0 = 0; c0 <= 1023; c0 += 1)
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; CHECK:       Stmt_for_body(c0);
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; CHECK: else
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; CHECK:    /* original code */
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @jd(ptr %A, ptr %B, i32 %c) {
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entry:
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  br label %for.cond
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for.cond:                                         ; preds = %for.inc, %entry
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  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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  %exitcond = icmp ne i64 %indvars.iv, 1024
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  br i1 %exitcond, label %for.body, label %for.end
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for.body:                                         ; preds = %for.cond
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  %sub = add nsw i32 %c, -10
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  %idxprom = sext i32 %sub to i64
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  %arrayidx = getelementptr inbounds i32, ptr %B, i64 %idxprom
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  %tmp = load i32, ptr %arrayidx, align 4
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  %arrayidx1 = getelementptr inbounds i32, ptr %B, i64 5
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  %tmp1 = load i32, ptr %arrayidx1, align 4
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  %add = add nsw i32 %tmp, %tmp1
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  %arrayidx3 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
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  store i32 %add, ptr %arrayidx3, align 4
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  br label %for.inc
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for.inc:                                          ; preds = %for.body
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  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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  br label %for.cond
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for.end:                                          ; preds = %for.cond
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  ret void
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}
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