93 lines
3.6 KiB
LLVM
93 lines
3.6 KiB
LLVM
; RUN: opt < %s -analyze -delinearize | FileCheck %s
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; #define MR(mt,n,r,c,d) mt->m[(n) * mt->mrows * mt->mcols * mt->mdeps + (r) * mt->mcols* mt->mdeps + (c) * mt->mdeps + (d)]
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;
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; struct Mat {
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; float* m;
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; int mnums;
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; int mrows;
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; int mcols;
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; int mdeps;
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; };
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;
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; typedef struct Mat Matrix;
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;
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; void jacobi(int nn, Matrix* a, Matrix* p)
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; {
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; long i, j, k, max,jmax,kmax;
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;
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; p_rows_sub = p->mrows - 1;
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; p_cols_sub = p->mcols - 1;
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; p_deps_sub = p->mdeps - 1;
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;
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; for(i = 1; i < p_rows_sub; i++)
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; for(j = 1; j < p_cols_sub; j++)
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; for(k = 1; k < p_deps_sub; k++)
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; MR(a,0,i,j,k) = i + j + k;
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; }
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; AddRec: {{{(4 + (4 * (sext i32 %a.deps to i64) * (1 + (sext i32 %a.cols to i64))) + %a.base),+,(4 * (sext i32 %a.deps to i64) * (sext i32 %a.cols to i64))}<%for.i>,+,(4 * (sext i32 %a.deps to i64))}<%for.j>,+,4}<%for.k>
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; CHECK: Base offset: %a.base
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; CHECK: ArrayDecl[UnknownSize][(sext i32 %a.cols to i64)][(sext i32 %a.deps to i64)] with elements of 4 bytes.
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; CHECK: ArrayRef[{1,+,1}<nuw><nsw><%for.i>][{1,+,1}<nuw><nsw><%for.j>][{1,+,1}<nuw><nsw><%for.k>]
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%struct.Mat = type { float*, i32, i32, i32, i32 }
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define void @jacobi(i32 %nn, %struct.Mat* nocapture %a, %struct.Mat* nocapture %p) nounwind uwtable {
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entry:
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%p.rows.ptr = getelementptr inbounds %struct.Mat, %struct.Mat* %p, i64 0, i32 2
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%p.rows = load i32, i32* %p.rows.ptr
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%p.rows.sub = add i32 %p.rows, -1
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%p.rows.sext = sext i32 %p.rows.sub to i64
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%p.cols.ptr = getelementptr inbounds %struct.Mat, %struct.Mat* %p, i64 0, i32 3
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%p.cols = load i32, i32* %p.cols.ptr
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%p.cols.sub = add i32 %p.cols, -1
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%p.cols.sext = sext i32 %p.cols.sub to i64
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%p.deps.ptr = getelementptr inbounds %struct.Mat, %struct.Mat* %p, i64 0, i32 4
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%p.deps = load i32, i32* %p.deps.ptr
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%p.deps.sub = add i32 %p.deps, -1
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%p.deps.sext = sext i32 %p.deps.sub to i64
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%a.cols.ptr = getelementptr inbounds %struct.Mat, %struct.Mat* %a, i64 0, i32 3
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%a.cols = load i32, i32* %a.cols.ptr
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%a.cols.sext = sext i32 %a.cols to i64
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%a.deps.ptr = getelementptr inbounds %struct.Mat, %struct.Mat* %a, i64 0, i32 4
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%a.deps = load i32, i32* %a.deps.ptr
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%a.deps.sext = sext i32 %a.deps to i64
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%a.base.ptr = getelementptr inbounds %struct.Mat, %struct.Mat* %a, i64 0, i32 0
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%a.base = load float*, float** %a.base.ptr, align 8
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br label %for.i
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for.i: ; preds = %for.i.inc, %entry
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%i = phi i64 [ %i.inc, %for.i.inc ], [ 1, %entry ]
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br label %for.j
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for.j: ; preds = %for.j.inc, %for.i
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%j = phi i64 [ %j.inc, %for.j.inc ], [ 1, %for.i ]
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br label %for.k
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for.k: ; preds = %for.k, %for.j
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%k = phi i64 [ 1, %for.j ], [ %k.inc, %for.k ]
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%tmp1 = mul nsw i64 %a.cols.sext, %i
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%tmp2 = add i64 %tmp1, %j
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%tmp3 = mul i64 %tmp2, %a.deps.sext
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%tmp4 = add nsw i64 %k, %tmp3
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%arrayidx = getelementptr inbounds float, float* %a.base, i64 %tmp4
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store float 1.000000e+00, float* %arrayidx
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%k.inc = add nsw i64 %k, 1
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%k.exitcond = icmp eq i64 %k.inc, %p.deps.sext
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br i1 %k.exitcond, label %for.j.inc, label %for.k
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for.j.inc: ; preds = %for.k
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%j.inc = add nsw i64 %j, 1
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%j.exitcond = icmp eq i64 %j.inc, %p.cols.sext
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br i1 %j.exitcond, label %for.i.inc, label %for.j
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for.i.inc: ; preds = %for.j.inc
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%i.inc = add nsw i64 %i, 1
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%i.exitcond = icmp eq i64 %i.inc, %p.rows.sext
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br i1 %i.exitcond, label %end, label %for.i
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end: ; preds = %for.i.inc
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ret void
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}
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