[clang] [flang] [llvm] add -floop-fuse to clang and flang (PR #142686)

[Tarun Prabhu via llvm-commits]

================
@@ -204,6 +205,10 @@ static cl::opt<bool>
     EnableLoopInterchange("enable-loopinterchange", cl::init(false), cl::Hidden,
                           cl::desc("Enable the LoopInterchange Pass"));
 
+static cl::opt<bool> EnableLoopFuse("enable-loopfuse", cl::init(false),
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tarunprabhu wrote:

NIT:
```suggestion
static cl::opt<bool> EnableLoopFuse("enable-loopfusion", cl::init(false),
```

https://github.com/llvm/llvm-project/pull/142686