[llvm] RuntimeLibcalls: Add function signatures to RTLIB. (PR #226264)

[Matt Arsenault via llvm-commits]

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@@ -154,6 +155,46 @@ static IntegerType *getSizeTType(LLVMContext &Ctx, const DataLayout &DL) {
   return DL.getIndexType(Ctx, /*AddressSpace=*/0);
 }
 
+static Type *convertToIRType(FuncArgTypeID ID, LLVMContext &Ctx,
+                             const Triple &TT, const DataLayout &DL) {
+
+  unsigned IntBits = TT.isArch16Bit() ? 16 : 32;
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arsenm wrote:

Can you add the RuntimeLibcallsInfo mirror of TargetLibraryInfo::getIntSize instead of hardcoding it in here? Arguably we could move this into the triple 

https://github.com/llvm/llvm-project/pull/226264