[llvm] [AMDGPU] Do not fold COPY with implicit use of exec (PR #136003)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,36 @@
+# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=si-fold-operands -verify-machineinstrs -o - %s | FileCheck %s
+
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arsenm wrote:

```suggestion
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=si-fold-operands -o - %s | FileCheck %s

```

https://github.com/llvm/llvm-project/pull/136003