[llvm] AMDGPU/NewPM Port GCNDPPCombine to NPM (PR #105816)

[Christudasan Devadasan via llvm-commits]

================
@@ -1,5 +1,5 @@
-# RUN: llc -mtriple=amdgcn -mcpu=gfx90a -run-pass=gcn-dpp-combine -verify-machineinstrs -o - %s | FileCheck %s --check-prefix=GCN
-# RUN: llc -mtriple=amdgcn -mcpu=gfx940 -run-pass=gcn-dpp-combine -verify-machineinstrs -o - %s | FileCheck %s --check-prefix=GCN
+# RUN: llc -mtriple=amdgcn -mcpu=gfx90a -passes=gcn-dpp-combine -verify-machineinstrs -o - %s | FileCheck %s --check-prefix=GCN
----------------
cdevadas wrote:

Retain the test behavior for legacy pm. Either duplicate an additional line for NPM or add no change. Rectify the same for other tests below.

https://github.com/llvm/llvm-project/pull/105816