tree eada0cf3384c96d22ba58e1809a7df356a92ef78
parent fcb9c5033da6654740fb885300fabbf25713aab1
author Artem Belevich <tra@google.com> 1596586187 -0700
committer Artem Belevich <tra@google.com> 1596656654 -0700

[CUDA, test-suite] Prevent constant folding of the test inputs.

We want to codegen the code and verify that it actually executes correctly on
the GPU.  Passing constand input args via a volatile temporary ensures that the
function call is not collapsed.

Differential Revision: https://reviews.llvm.org/D85349