[compiler-rt] [llvm] [SelectionDAG] Add `STRICT_BF16_TO_FP` and `STRICT_FP_TO_BF16` (PR #80056)

[Shilei Tian via llvm-commits]

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@@ -81,6 +81,13 @@ static inline int src_rep_t_clz_impl(src_rep_t a) {
 
 #define src_rep_t_clz src_rep_t_clz_impl
 
+#elif defined SRC_BFLOAT
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shiltian wrote:

The changes in `compiler-rt` were from https://reviews.llvm.org/D151436.

https://github.com/llvm/llvm-project/pull/80056