[llvm] [AMDGPU] Reject src1 immediates with dpp when unsupported (PR #201494)

[Matt Arsenault via llvm-commits]

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@@ -1,9 +1,16 @@
-# RUN: not --crash llc -mtriple=amdgcn -mcpu=gfx1100 -run-pass=none -filetype=null %s 2>&1 | FileCheck %s --check-prefix=GFX_NO_SRC1_SGPR
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1150 -run-pass=none -filetype=null %s 2>&1 | FileCheck %s --check-prefix=GFX_SRC1_SGPR
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -run-pass=none -filetype=null %s 2>&1 | FileCheck %s --check-prefix=GFX_SRC1_SGPR
+# RUN: split-file %s %t
+
+# RUN: not --crash llc -mtriple=amdgcn -mcpu=gfx1100 -run-pass=none -filetype=null %t/sgpr.mir 2>&1 | FileCheck %t/sgpr.mir --check-prefix=GFX_NO_SRC1_SGPR
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arsenm wrote:

I'd just introduce a new test rather than multiplying the number of run lines in this one 

https://github.com/llvm/llvm-project/pull/201494