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54 lines
1.9 KiB
54 lines
1.9 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: Assumed Context:
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; CHECK-NEXT: [N] -> { : }
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; CHECK-NEXT: Invalid Context:
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; CHECK-NEXT: [N] -> { : false }
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; CHECK-NEXT: p0: %N
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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: [N] -> { Stmt_for_body[i0] : 0 <= i0 < N };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> [i0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[1] : (1 + i0) mod 2 = 0; Stmt_for_body[i0] -> MemRef_A[0] : (i0) mod 2 = 0 }
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[1] : (1 + i0) mod 2 = 0; Stmt_for_body[i0] -> MemRef_A[0] : (i0) mod 2 = 0 };
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; CHECK-NEXT: }
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;
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; void f(int *A, int N) {
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; for (int i = 0; i < N; i++) {
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; A[i % 2]++;
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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, i32 %N) {
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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 i32 [ 0, %entry ], [ %inc1, %for.inc ]
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%cmp = icmp slt i32 %i.0, %N
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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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%i.t = trunc i32 %i.0 to i1
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%rem = zext i1 %i.t to i32
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%idxprom = sext i32 %rem to i64
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
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%tmp = load i32, i32* %arrayidx, align 4
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%inc = add nsw i32 %tmp, 1
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store i32 %inc, 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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%inc1 = add nuw nsw i32 %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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