forked from OSchip/llvm-project
72 lines
2.8 KiB
LLVM
72 lines
2.8 KiB
LLVM
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; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s
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; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s --check-prefix=IR
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;
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; void f(long *A, long *ptr, long val) {
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; for (long i = 0; i < 100; i++) {
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; long ptrV = ((long)(ptr + 1)) + 1;
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; long valP = (long)(((long *)(val + 1)) + 1);
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; A[ptrV] += A[valP];
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; }
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; }
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;
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; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [val, ptr] -> { Stmt_for_body[i0] -> MemRef_A[9 + val] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: [val, ptr] -> { Stmt_for_body[i0] -> MemRef_A[9 + ptr] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK-NEXT: [val, ptr] -> { Stmt_for_body[i0] -> MemRef_A[9 + ptr] };
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;
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; IR: polly.stmt.for.body:
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; IR-NEXT: %p_tmp = ptrtoint i64* %scevgep to i64
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; IR-NEXT: %p_add = add nsw i64 %p_tmp, 1
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; IR-NEXT: %p_tmp1 = inttoptr i64 %10 to i64*
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; IR-NEXT: %p_add.ptr2 = getelementptr inbounds i64, i64* %p_tmp1, i64 1
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; IR-NEXT: %p_tmp2 = ptrtoint i64* %p_add.ptr2 to i64
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; IR-NEXT: %p_arrayidx = getelementptr inbounds i64, i64* %A, i64 %p_tmp2
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; IR-NEXT: %tmp3_p_scalar_ = load i64, i64* %p_arrayidx
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; IR-NEXT: %p_arrayidx3 = getelementptr inbounds i64, i64* %A, i64 %p_add
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; IR-NEXT: %tmp4_p_scalar_ = load i64, i64* %p_arrayidx3
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; IR-NEXT: %p_add4 = add nsw i64 %tmp4_p_scalar_, %tmp3_p_scalar_
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; IR-NEXT: store i64 %p_add4, i64* %p_arrayidx3
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;
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; IR: polly.loop_preheader:
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; IR-NEXT: %scevgep = getelementptr i64, i64* %ptr, i64 1
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; IR-NEXT: %10 = add i64 %val, 1
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; IR-NEXT: br label %polly.loop_header
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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(i64* %A, i64* %ptr, i64 %val) {
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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 i64 [ 0, %entry ], [ %inc, %for.inc ]
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%exitcond = icmp ne i64 %i.0, 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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%add.ptr = getelementptr inbounds i64, i64* %ptr, i64 1
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%tmp = ptrtoint i64* %add.ptr to i64
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%add = add nsw i64 %tmp, 1
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%add1 = add nsw i64 %val, 1
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%tmp1 = inttoptr i64 %add1 to i64*
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%add.ptr2 = getelementptr inbounds i64, i64* %tmp1, i64 1
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%tmp2 = ptrtoint i64* %add.ptr2 to i64
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%arrayidx = getelementptr inbounds i64, i64* %A, i64 %tmp2
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%tmp3 = load i64, i64* %arrayidx
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%arrayidx3 = getelementptr inbounds i64, i64* %A, i64 %add
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%tmp4 = load i64, i64* %arrayidx3
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%add4 = add nsw i64 %tmp4, %tmp3
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store i64 %add4, i64* %arrayidx3
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add nuw nsw i64 %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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