forked from OSchip/llvm-project
92 lines
4.1 KiB
LLVM
92 lines
4.1 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -polly-code-generator=isl -polly-rtc-max-parameters=8 -analyze < %s | FileCheck %s --check-prefix=MAX8
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; RUN: opt %loadPolly -polly-scops -polly-code-generator=isl -polly-rtc-max-parameters=7 -analyze < %s | FileCheck %s --check-prefix=MAX7
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;
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; Check that we allow this SCoP even though it has 10 parameters involved in posisbly aliasing accesses.
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; However, only 7 are involved in accesses through B, 8 through C and none in accesses through A.
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;
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; MAX8: Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'for.cond => for.end' in function 'jd':
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; MAX8-NEXT: Function: jd
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; MAX7: Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'for.cond => for.end' in function 'jd':
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; MAX7-NEXT: Invalid Scop!
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;
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; void jd(int *A, int *B, int *C, long p1, long p2, long p3, long p4, long p5,
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; long p6, long p7, long p8, long p9, long p10) {
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; for (int i = 0; i < 1024; i++)
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; A[i] = B[p1] - B[p2] + B[-p3] - B[p4] + B[p5] - B[-p6] + B[p7] - C[p3] +
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; C[-p4] - C[p5] + C[p6] - C[-p7] + C[p8] - C[p9] + C[-p10];
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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* %B, i32* %C, i64 %p1, i64 %p2, i64 %p3, i64 %p4, i64 %p5, i64 %p6, i64 %p7, i64 %p8, i64 %p9, i64 %p10) {
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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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%arrayidx = getelementptr inbounds i32* %B, i64 %p1
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%tmp = load i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32* %B, i64 %p2
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%tmp1 = load i32* %arrayidx1, align 4
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%sub = sub nsw i32 %tmp, %tmp1
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%sub2 = sub nsw i64 0, %p3
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%arrayidx3 = getelementptr inbounds i32* %B, i64 %sub2
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%tmp2 = load i32* %arrayidx3, align 4
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%add = add nsw i32 %sub, %tmp2
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%arrayidx4 = getelementptr inbounds i32* %B, i64 %p4
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%tmp3 = load i32* %arrayidx4, align 4
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%sub5 = sub nsw i32 %add, %tmp3
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%arrayidx6 = getelementptr inbounds i32* %B, i64 %p5
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%tmp4 = load i32* %arrayidx6, align 4
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%add7 = add nsw i32 %sub5, %tmp4
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%sub8 = sub nsw i64 0, %p6
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%arrayidx9 = getelementptr inbounds i32* %B, i64 %sub8
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%tmp5 = load i32* %arrayidx9, align 4
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%sub10 = sub nsw i32 %add7, %tmp5
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%arrayidx11 = getelementptr inbounds i32* %B, i64 %p7
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%tmp6 = load i32* %arrayidx11, align 4
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%add12 = add nsw i32 %sub10, %tmp6
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%arrayidx13 = getelementptr inbounds i32* %C, i64 %p3
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%tmp7 = load i32* %arrayidx13, align 4
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%sub14 = sub nsw i32 %add12, %tmp7
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%sub15 = sub nsw i64 0, %p4
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%arrayidx16 = getelementptr inbounds i32* %C, i64 %sub15
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%tmp8 = load i32* %arrayidx16, align 4
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%add17 = add nsw i32 %sub14, %tmp8
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%arrayidx18 = getelementptr inbounds i32* %C, i64 %p5
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%tmp9 = load i32* %arrayidx18, align 4
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%sub19 = sub nsw i32 %add17, %tmp9
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%arrayidx20 = getelementptr inbounds i32* %C, i64 %p6
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%tmp10 = load i32* %arrayidx20, align 4
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%add21 = add nsw i32 %sub19, %tmp10
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%sub22 = sub nsw i64 0, %p7
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%arrayidx23 = getelementptr inbounds i32* %C, i64 %sub22
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%tmp11 = load i32* %arrayidx23, align 4
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%sub24 = sub nsw i32 %add21, %tmp11
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%arrayidx25 = getelementptr inbounds i32* %C, i64 %p8
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%tmp12 = load i32* %arrayidx25, align 4
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%add26 = add nsw i32 %sub24, %tmp12
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%arrayidx27 = getelementptr inbounds i32* %C, i64 %p9
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%tmp13 = load i32* %arrayidx27, align 4
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%sub28 = sub nsw i32 %add26, %tmp13
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%sub29 = sub nsw i64 0, %p10
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%arrayidx30 = getelementptr inbounds i32* %C, i64 %sub29
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%tmp14 = load i32* %arrayidx30, align 4
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%add31 = add nsw i32 %sub28, %tmp14
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%arrayidx32 = getelementptr inbounds i32* %A, i64 %indvars.iv
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store i32 %add31, i32* %arrayidx32, 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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