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2018 Mar 14
0
LLVM opt unable to vectorize PolyBench code
It would help if you sent the IR you're giving to opt or at least a
complete C function and your clang command line.
~Craig
On Wed, Mar 14, 2018 at 3:05 PM, hameeza ahmed <hahmed2305 at gmail.com> wrote:
> Hello,
>
> I m unable to vectorize following kernel by opt tool;
>
> for (i = 0; i < _PB_NI; i++)
> for (j = 0; j < _PB_NJ; j++)
> {
>
2018 Mar 14
2
LLVM opt unable to vectorize PolyBench code
Hello,
I m unable to vectorize following kernel by opt tool;
for (i = 0; i < _PB_NI; i++)
for (j = 0; j < _PB_NJ; j++)
{
tmp[i][j] = 0;
for (k = 0; k < _PB_NK; ++k)
tmp[i][j] += alpha * A[i][k] * B[k][j];
}
for (i = 0; i < _PB_NI; i++)
for (j = 0; j < _PB_NL; j++)
{
D[i][j] *= beta;
for (k = 0; k < _PB_NJ; ++k)
D[i][j] +=