Displaying 2 results from an estimated 2 matches for "becount".
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2017 Jan 24
3
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
On Tue, Jan 24, 2017 at 1:20 PM, Sanjay Patel via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
>
> I started looking at the log files that you attached, and I'm confused.
> The code that is supposedly causing the perf regression is created by the
> loop vectorizer, right? Except the bad code is not in the "vector.body", so
> is there something peculiar about
2013 Nov 02
2
[LLVMdev] SCEV and GEP NSW flag
----- Original Message -----
>
> On Oct 31, 2013, at 1:24 PM, Hal Finkel <hfinkel at anl.gov> wrote:
>
> > Andy, et al.,
> >
> > If I start with C code like this:
> >
> > void foo(long k, int * restrict a, int * restrict b, int * restrict
> > c) {
> > if (k > 0) {
> > for (int i = 0; i < 2047; i++) {
> > a[i] =