[llvm] [AMDGPU] Rework pseudo-scalar transcendental inline constant restriction handling (PR #208459)

[Matt Arsenault via llvm-commits]

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@@ -1,121 +1,329 @@
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
-# RUN: llc -mtriple=amdgpu11.70-amd-amdpal -run-pass=si-fold-operands -verify-machineinstrs -o - %s | FileCheck --check-prefixes=GCN %s
-# RUN: llc -mtriple=amdgpu12.00-amd-amdpal -run-pass=si-fold-operands -verify-machineinstrs -o - %s | FileCheck --check-prefixes=GCN %s
+# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+# RUN: llc -mtriple=amdgpu12.00-amd-amdpal -x mir --show-mc-encoding < %s | FileCheck --check-prefixes=GFX12 %s
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arsenm wrote:

This should stay a single -run-pass MIR test. By assembler test, I mean llvm/test/MC test showing the literal validation rules 

https://github.com/llvm/llvm-project/pull/208459