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77 lines
2.3 KiB
77 lines
2.3 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 we remove read only statements.
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;
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_for_body_2
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_for_body_2[i0] : 0 <= i0 <= 99 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_for_body_2[i0] -> [i0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body_2[i0] -> MemRef_A[i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body_2[i0] -> MemRef_A[i0] };
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; CHECK-NEXT: }
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;
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; int g(int);
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; void f(int *A) {
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; for (int i = 0; i < 100; i++) {
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; (A[i]);
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; /* Split BB */
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; (A[i]);
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; /* Split BB */
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; A[i] += 1;
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; /* Split BB */
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; (A[i]);
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; /* Split BB */
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; (A[i]);
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; }
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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 @f(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, 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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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp = load i32, i32* %arrayidx, align 4
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br label %for.body.1
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for.body.1:
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp1 = load i32, i32* %arrayidx2, align 4
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br label %for.body.2
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for.body.2:
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%arrayidx5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp2 = load i32, i32* %arrayidx5, align 4
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%add = add nsw i32 %tmp2, 1
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store i32 %add, i32* %arrayidx5, align 4
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br label %for.body.3
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for.body.3:
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%arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp3 = load i32, i32* %arrayidx7, align 4
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br label %for.body.4
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for.body.4:
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%arrayidx10 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp4 = load i32, i32* %arrayidx10, 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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