[clang] [Clang] Add support for fp when using min_fetch/max_fetch atomics (PR #160330)

[via cfe-commits]

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@@ -507,20 +507,35 @@ static llvm::Value *EmitPostAtomicMinMax(CGBuilderTy &Builder,
                                          bool IsSigned,
                                          llvm::Value *OldVal,
                                          llvm::Value *RHS) {
+  llvm::Type *ValTy = OldVal->getType();
+
   llvm::CmpInst::Predicate Pred;
+  bool IsFP = ValTy->isFloatingPointTy();
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CarolineConcatto wrote:

Can we do something like:
bool IsFP = OldVal->getValueType()->isFloatingPointTy();
As we and not using ValTy it would be nice to not need to declare it too.

https://github.com/llvm/llvm-project/pull/160330