[llvm] [GVN] Add code to disable scalar PRE (PR #190386)

[Antonio Frighetto via llvm-commits]

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@@ -0,0 +1,33 @@
+; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_100 -O3 | FileCheck %s --check-prefix=PIPELINE
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antoniofrighetto wrote:

Could we favour autogenerated check lines here as well? It'd be easier to see the increased register pressure. 

https://github.com/llvm/llvm-project/pull/190386