[llvm] [AMDGPU] Skip register uses in AMDGPUResourceUsageAnalysis (PR #133242)

[Thomas Symalla via llvm-commits]

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@@ -0,0 +1,78 @@
+; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx1200 < %s | FileCheck %s
+
+; CHECK-LABEL: .shader_functions:
+
+; Make sure that .vgpr_count doesn't include the %inactive.vgpr registers.
+; The shader is free to use any of the VGPRs mapped to a %inactive.vpgr as long as it only touches its active lanes.
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tsymalla wrote:

```suggestion
; The shader is free to use any of the VGPRs mapped to a %inactive.vgpr as long as it only touches its active lanes.
```

https://github.com/llvm/llvm-project/pull/133242