[llvm] [AMDGPU][LIT][NFC] Adding -mtriple for AMDGPUAnnotateUniformValues Pass tests (PR #156437)

[Matt Arsenault via llvm-commits]

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@@ -5,8 +5,8 @@
 ;       cannot be expressed reliably by the generated checks.
 
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck %s -check-prefix=ISA
-; RUN: opt --amdgpu-annotate-uniform -S %s |  FileCheck %s -check-prefix=UNIFORM
-; RUN: opt --amdgpu-annotate-uniform --si-annotate-control-flow -S %s |  FileCheck %s -check-prefix=CONTROLFLOW
+; RUN: opt -mtriple=amdgcn-mesa-mesa3d --amdgpu-annotate-uniform -S %s |  FileCheck %s -check-prefix=UNIFORM
+; RUN: opt -mtriple=amdgcn-mesa-mesa3d --amdgpu-annotate-uniform --si-annotate-control-flow -S %s |  FileCheck %s -check-prefix=CONTROLFLOW
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arsenm wrote:

It needs the TargetMachine. It doesn't need the argument, it will construct the TargetMachine from the triple in the file 

https://github.com/llvm/llvm-project/pull/156437