[llvm-dev] Store unswitch
Davide Italiano via llvm-dev
llvm-dev at lists.llvm.org
Wed Apr 26 07:48:23 PDT 2017
On Wed, Apr 26, 2017 at 12:19 AM, Hongbin Zheng <etherzhhb at gmail.com> wrote:
> Looks like this do not work:
>
> // Type your code here, or load an example.
> int a[10];
>
> void unswitch2(int i, int x, int y0, int y1) {
> if (x) {
> a[i] = y0;
> a[i + 1] = y1;
> } else {
> a[i + 1] = y0;
> a[i] = y1;
> }
> }
>
Interestingly, only `icc` produces the same code for both forms in this case.
https://godbolt.org/g/Go7Hoo
I'm not entirely convinced this matters, but if you care, consider
opening a bug on llvm.org/bugs and/or submitting a patch.
--
Davide
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