[llvm] Add support for DFP IR type. (PR #69718)

[Zahira Ammarguellat via llvm-commits]

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@@ -984,6 +987,9 @@ lltok::Kind LLLexer::LexIdentifier() {
 ///    HexPPC128Constant 0xM[0-9A-Fa-f]+
 ///    HexHalfConstant   0xH[0-9A-Fa-f]+
 ///    HexBFloatConstant 0xR[0-9A-Fa-f]+
+///    HexDecimal32Constant 0xR[0-9A-Fa-f]+
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zahiraam wrote:

Added a FIXME and a placeholder prefix for now.

https://github.com/llvm/llvm-project/pull/69718