[llvm] [AMDGPU] Swap select operands to allow later v_cndmask shrinking into vop2 (PR #142354)

[Jay Foad via llvm-commits]

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@@ -4727,7 +4732,33 @@ SDValue AMDGPUTargetLowering::performSelectCombine(SDNode *N,
   SDValue True = N->getOperand(1);
   SDValue False = N->getOperand(2);
 
-  if (Cond.hasOneUse()) { // TODO: Look for multiple select uses.
+  int ShouldSwap = 0;
+  for (auto it = Cond->use_begin(); it != Cond->use_end(); it++) {
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jayfoad wrote:

`it` should be capitalized, but really you should use a range-based for loop over `Cond->users()`.

https://github.com/llvm/llvm-project/pull/142354