[llvm] [AMDGPU] Check hasNoF16PseudoScalarTransInlineConstants in more places (PR #208459)

[Matt Arsenault via llvm-commits]

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@@ -201,6 +201,8 @@
 ---
 name: exp_f16_imm
 tracksRegLiveness: true
+machineFunctionInfo:
+  stackPtrOffsetReg: '$sgpr32'
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arsenm wrote:

This shouldn't need this? (also, we really should remove this MFI field and just hardcode it)

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