[llvm] [SPIRV] Add FPEncoding operand support for OpTypeFloat (PR #156871)

[via llvm-commits]

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@@ -2088,3 +2100,17 @@ bool SPIRVGlobalRegistry::hasBlockDecoration(SPIRVType *Type) const {
   }
   return false;
 }
+
+SPIRVGlobalRegistry::FPVariant
+SPIRVGlobalRegistry::getFPVariantForVReg(Register VReg,
+                                         const MachineFunction *MF) {
+  const MachineFunction *Func = MF ? MF : CurMF;
+  auto FuncIt = VRegFPVariantMap.find(Func);
+  if (FuncIt != VRegFPVariantMap.end()) {
+    const DenseMap<Register, FPVariant> &VRegMap = FuncIt->second;
+    auto VRegIt = VRegMap.find(VReg);
+    if (VRegIt != VRegMap.end())
+      return VRegIt->second;
+  }
+  return FPVariant::NONE;
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YixingZhang007 wrote:

Thanks for the suggestion! I’ve updated the approach for representing floating-point types in the PR, and `FPVariant` is no longer used. Please let me know if there’s anything I can improve with the current approach. Thank you! :)

https://github.com/llvm/llvm-project/pull/156871