[llvm] [MachineLICM] Allow hoisting loads from invariant address (PR #70796)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff ab1c97b6510c4ce4643469191080a16b4007244d 149ff643ec6703c0d844a76863b7c7006aa8f204 -- llvm/lib/CodeGen/MachineLICM.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/CodeGen/MachineLICM.cpp b/llvm/lib/CodeGen/MachineLICM.cpp
index f1af74328f00..9283e1f93165 100644
--- a/llvm/lib/CodeGen/MachineLICM.cpp
+++ b/llvm/lib/CodeGen/MachineLICM.cpp
@@ -794,7 +794,8 @@ void MachineLICMBase::HoistOutOfLoop(MachineDomTreeNode *HeaderN,
 
     for (auto *MBB : CurLoop->blocks()) {
       for (auto &MI : *MBB) {
-        if (MI.mayStore() || MI.isCall() || (MI.mayLoad() && MI.hasOrderedMemoryRef())) {
+        if (MI.mayStore() || MI.isCall() ||
+            (MI.mayLoad() && MI.hasOrderedMemoryRef())) {
           for (MachineLoop *L = MLI->getLoopFor(MI.getParent()); L != CurLoop;
                L = L->getParentLoop())
             AllowedToHoistLoads[L] = false;
@@ -819,7 +820,8 @@ void MachineLICMBase::HoistOutOfLoop(MachineDomTreeNode *HeaderN,
       for (auto *MBB : L->blocks()) {
         for (auto &MI : *MBB) {
           // Taken from MachineInstr::isSafeToMove
-          if (MI.mayStore() || MI.isCall() || (MI.mayLoad() && MI.hasOrderedMemoryRef()))
+          if (MI.mayStore() || MI.isCall() ||
+              (MI.mayLoad() && MI.hasOrderedMemoryRef()))
             return false;
         }
       }

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https://github.com/llvm/llvm-project/pull/70796