[llvm] [RISCV][NFC] Adopt DiagnosticString interface (PR #126290)

[Craig Topper via llvm-commits]

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@@ -150,12 +151,26 @@ def SPMem : MemOperand<SP>;
 
 def GPRCMem : MemOperand<GPRC>;
 
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topperc wrote:

@mshockwave the range strings will all have a similar beginning and end but the lower and upper bounds are part of the string and will be different values. Without tablegen the prefix is and suffix are separate strings and the lower and upper bounds are converted to strings at runtime.

https://github.com/llvm/llvm-project/pull/126290