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55 lines
1.7 KiB
LLVM
55 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-scops -analyze -polly-allow-modref-calls \
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; RUN: < %s | FileCheck %s
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; RUN: opt %loadPolly -basicaa -polly-codegen -disable-output \
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; RUN: -polly-allow-modref-calls < %s
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;
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; Check that we assume the call to func has a read on the whole A array.
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;
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; CHECK: Stmt_for_body
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_for_body[i0] : 0 <= i0 <= 1023 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_for_body[i0] -> [i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE]
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; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[2 + i0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE]
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; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[o0] };
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;
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; #pragma readonly
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; int func(int *A);
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;
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; void jd(int *A) {
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; for (int i = 0; i < 1024; i++)
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; A[i + 2] = func(A);
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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) {
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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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%call = call i32 @func(i32* %A) #2
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%tmp = add nsw i64 %indvars.iv, 2
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp
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store i32 %call, 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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%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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declare i32 @func(i32*) #1
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attributes #1 = { nounwind readonly }
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