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42 lines
1.2 KiB
42 lines
1.2 KiB
4 months ago
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; Check that the contstraints on the paramater derived from the
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; range metadata (see bottom of the file) are present:
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;
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; CHECK: Context:
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; CHECK: [tmp] -> { : 0 <= tmp <= 255 }
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;
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; void jd(int *A, int *p /* in [0,256) */) {
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; for (int i = 0; i < 1024; i++)
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; A[i + *p] = i;
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; }
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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(i32* %A, i32* %p) {
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entry:
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%tmp = load i32, i32* %p, align 4, !range !0
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %i.0, 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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%add = add i32 %i.0, %tmp
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%idxprom = sext i32 %add to i64
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
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store i32 %i.0, i32* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add nsw i32 %i.0, 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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!0 = !{ i32 0, i32 256 }
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