forked from OSchip/llvm-project
68 lines
2.5 KiB
LLVM
68 lines
2.5 KiB
LLVM
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
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;
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; CHECK: Context:
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; CHECK-NEXT: { : }
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; CHECK: Assumed Context:
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; CHECK-NEXT: { : }
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; CHECK: Invalid Context:
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; CHECK-NEXT: { : false }
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_for_body
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_for_body[i0] : 0 <= i0 <= 99 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_for_body[i0] -> [i0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[i0, 0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[i0, 0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[1 + i0, 0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[1 + i0, 0] };
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; CHECK-NEXT: }
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;
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; void f(int A[][2]) {
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; int(*B)[2] = &A[0][0];
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; int(*C)[2] = &A[1][0];
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; for (int i = 0; i < 100; i++) {
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; B[i][0]++;
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; C[i][0]++;
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; }
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; }
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;
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; Verify that the additional offset to A by accessing it through C is taken into
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; account.
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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 @f([2 x i32]* %A) {
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entry:
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%arrayidx3 = getelementptr inbounds [2 x i32], [2 x i32]* %A, i64 1, i64 0
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%tmp = bitcast i32* %arrayidx3 to [2 x i32]*
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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, 100
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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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%arrayidx5 = getelementptr inbounds [2 x i32], [2 x i32]* %A, i64 %indvars.iv, i64 0
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%tmp1 = load i32, i32* %arrayidx5, align 4
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%inc = add nsw i32 %tmp1, 1
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store i32 %inc, i32* %arrayidx5, align 4
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%arrayidx8 = getelementptr inbounds [2 x i32], [2 x i32]* %tmp, i64 %indvars.iv, i64 0
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%tmp2 = load i32, i32* %arrayidx8, align 4
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%inc9 = add nsw i32 %tmp2, 1
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store i32 %inc9, 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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%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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