[llvm] [SPIRV] Audit `select` Result in SPIRVInstructionSelector (PR #115193)

[Sarah Spall via llvm-commits]

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@@ -1618,26 +1642,27 @@ bool SPIRVInstructionSelector::selectAnyOrAll(Register ResVReg,
     SpvBoolTy = GR.getOrCreateSPIRVVectorType(SpvBoolTy, NumElts, I, TII);
   }
 
+  bool Result = true;
   if (!IsBoolTy) {
     Register ConstZeroReg =
         IsFloatTy ? buildZerosValF(InputType, I) : buildZerosVal(InputType, I);
 
-    BuildMI(BB, I, I.getDebugLoc(), TII.get(SpirvNotEqualId))
-        .addDef(NotEqualReg)
-        .addUse(GR.getSPIRVTypeID(SpvBoolTy))
-        .addUse(InputRegister)
-        .addUse(ConstZeroReg)
-        .constrainAllUses(TII, TRI, RBI);
+    Result &= BuildMI(BB, I, I.getDebugLoc(), TII.get(SpirvNotEqualId))
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spall wrote:

ditto

https://github.com/llvm/llvm-project/pull/115193