[llvm] [Spirv][HLSL] Add OpAll lowering and float vec support (PR #87952)

[Vyacheslav Levytskyy via llvm-commits]

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@@ -1155,6 +1160,62 @@ static unsigned getBoolCmpOpcode(unsigned PredNum) {
   }
 }
 
+bool SPIRVInstructionSelector::selectAll(Register ResVReg,
+                                         const SPIRVType *ResType,
+                                         MachineInstr &I) const {
+  assert(I.getNumOperands() == 3);
+  assert(I.getOperand(2).isReg());
+  MachineBasicBlock &BB = *I.getParent();
+  Register InputRegister = I.getOperand(2).getReg();
+  SPIRVType *InputType = GR.getSPIRVTypeForVReg(InputRegister);
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VyacheslavLevytskyy wrote:

Would it make sense to report_fatal_error() or similar diagnostics if InputType is `nullptr`? It's not expected of course, but `I` and its arguments arrive from previous passes, so it could be invalid if anything goes wrong earlier.

https://github.com/llvm/llvm-project/pull/87952