[llvm] [AMDGPU] Fix printing hasInitWholeWave in mir (PR #123232)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,17 @@
+; RUN: llc -global-isel=0 -march=amdgcn -mcpu=gfx1100 -stop-after=amdgpu-isel < %s | FileCheck --check-prefix=GCN %s
+; RUN: llc -global-isel=1 -march=amdgcn -mcpu=gfx1100 -stop-after=amdgpu-isel < %s | FileCheck --check-prefix=GCN %s
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arsenm wrote:

-stop-after=amdgpu-isel won't work correctly for globalisel (but this check will work no matter where it stops). Might as well use -stop-after=finalize-isel 

https://github.com/llvm/llvm-project/pull/123232