[llvm] [LoopUnroll] Add UnrollMultiExit to loop unrolling options (NFC) (PR #124462)

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git-clang-format --diff fb01a289038c16e13c6133ee602a58254b349411 e2ae7f879ee005bd0d878a452c3194f917d8fcfe --extensions cpp,h -- llvm/include/llvm/Analysis/TargetTransformInfo.h llvm/include/llvm/Transforms/Utils/UnrollLoop.h llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp llvm/lib/Transforms/Utils/LoopUnroll.cpp llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp llvm/unittests/Transforms/Utils/UnrollLoopTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
index 11c455ea83..524b268aee 100644
--- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
@@ -583,7 +583,8 @@ bool llvm::UnrollRuntimeLoopRemainder(
     bool UseEpilogRemainder, bool UnrollRemainder, bool ForgetAllSCEV,
     LoopInfo *LI, ScalarEvolution *SE, DominatorTree *DT, AssumptionCache *AC,
     const TargetTransformInfo *TTI, bool PreserveLCSSA,
-    unsigned SCEVExpansionBudget, bool RuntimeUnrollMultiExit, Loop **ResultLoop) {
+    unsigned SCEVExpansionBudget, bool RuntimeUnrollMultiExit,
+    Loop **ResultLoop) {
   LLVM_DEBUG(dbgs() << "Trying runtime unrolling on Loop: \n");
   LLVM_DEBUG(L->dump());
   LLVM_DEBUG(UseEpilogRemainder ? dbgs() << "Using epilog remainder.\n"
@@ -632,8 +633,9 @@ bool llvm::UnrollRuntimeLoopRemainder(
     if (!PreserveLCSSA)
       return false;
 
-    if (!RuntimeUnrollMultiExit && !canProfitablyRuntimeUnrollMultiExitLoop(
-                                L, OtherExits, LatchExit, UseEpilogRemainder)) {
+    if (!RuntimeUnrollMultiExit &&
+        !canProfitablyRuntimeUnrollMultiExitLoop(L, OtherExits, LatchExit,
+                                                 UseEpilogRemainder)) {
       LLVM_DEBUG(
           dbgs()
           << "Multiple exit/exiting blocks in loop and multi-exit unrolling not "

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https://github.com/llvm/llvm-project/pull/124462