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44 lines
1.4 KiB
44 lines
1.4 KiB
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; The constraint that r2 has to be bigger than r1 is implicitly containted in
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; the domain, hence we do not want to see it explicitly.
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;
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; CHECK-NOT: r2 >= 1 + r1
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;
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; void wraps(int *A, int p, short q, char r1, char r2) {
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; for (char i = r1; i < r2; i++)
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; A[p + q] = A[(int)r1 + (int)r2];
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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 @wraps(i32* %A, i32 %p, i16 signext %q, i8 signext %r1, i8 signext %r2) {
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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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%i.0 = phi i8 [ %r1, %entry ], [ %inc, %for.inc ]
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%cmp = icmp slt i8 %i.0, %r2
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%conv3 = sext i8 %r1 to i64
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%conv4 = sext i8 %r2 to i64
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%add = add nsw i64 %conv3, %conv4
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
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%tmp = load i32, i32* %arrayidx, align 4
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%conv5 = sext i16 %q to i32
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%add6 = add nsw i32 %conv5, %p
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%idxprom7 = sext i32 %add6 to i64
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%arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %idxprom7
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store i32 %tmp, i32* %arrayidx8, 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 i8 %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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