[llvm] [SPIR-V] Strip convergence intrinsics before ISel (PR #75948)

[Nathan Gauër via llvm-commits]

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@@ -312,6 +316,54 @@ bool SPIRVPrepareFunctions::substituteIntrinsicCalls(Function *F) {
   return Changed;
 }
 
+bool SPIRVPrepareFunctions::stripConvergenceOperands(Function *F) {
+  DenseSet<Instruction *> to_remove;
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Keenuts wrote:

Ah yes, still not used to this coding style, thanks!

https://github.com/llvm/llvm-project/pull/75948