[llvm] 07cf1a2 - [NFC][StackLifetime] Rename local variable

[Vitaly Buka via llvm-commits]

Author: Vitaly Buka
Date: 2022-09-27T23:25:39-07:00
New Revision: 07cf1a25a37f4f21b734d415529cfa91536f405d

URL: https://github.com/llvm/llvm-project/commit/07cf1a25a37f4f21b734d415529cfa91536f405d
DIFF: https://github.com/llvm/llvm-project/commit/07cf1a25a37f4f21b734d415529cfa91536f405d.diff

LOG: [NFC][StackLifetime] Rename local variable

The next patch will require more generic name.

Added: 
    

Modified: 
    llvm/lib/Analysis/StackLifetime.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/StackLifetime.cpp b/llvm/lib/Analysis/StackLifetime.cpp
index 0374c9c04944..d6c3fc80e179 100644
--- a/llvm/lib/Analysis/StackLifetime.cpp
+++ b/llvm/lib/Analysis/StackLifetime.cpp
@@ -181,7 +181,7 @@ void StackLifetime::calculateLocalLiveness() {
       BlockLifetimeInfo &BlockInfo = BlockLiveness.find(BB)->getSecond();
 
       // Compute LiveIn by unioning together the LiveOut sets of all preds.
-      BitVector LocalLiveIn;
+      BitVector BitsIn;
       for (const auto *PredBB : predecessors(BB)) {
         LivenessMap::const_iterator I = BlockLiveness.find(PredBB);
         // If a predecessor is unreachable, ignore it.
@@ -189,20 +189,20 @@ void StackLifetime::calculateLocalLiveness() {
           continue;
         switch (Type) {
         case LivenessType::May:
-          LocalLiveIn |= I->second.LiveOut;
+          BitsIn |= I->second.LiveOut;
           break;
         case LivenessType::Must:
-          if (LocalLiveIn.empty())
-            LocalLiveIn = I->second.LiveOut;
+          if (BitsIn.empty())
+            BitsIn = I->second.LiveOut;
           else
-            LocalLiveIn &= I->second.LiveOut;
+            BitsIn &= I->second.LiveOut;
           break;
         }
       }
 
       // Update block LiveIn set, noting whether it has changed.
-      if (LocalLiveIn.test(BlockInfo.LiveIn)) {
-        BlockInfo.LiveIn |= LocalLiveIn;
+      if (BitsIn.test(BlockInfo.LiveIn)) {
+        BlockInfo.LiveIn |= BitsIn;
       }
 
       // Compute LiveOut by subtracting out lifetimes that end in this
@@ -212,13 +212,13 @@ void StackLifetime::calculateLocalLiveness() {
       // because we already handle the case where the BEGIN comes
       // before the END when collecting the markers (and building the
       // BEGIN/END vectors).
-      LocalLiveIn.reset(BlockInfo.End);
-      LocalLiveIn |= BlockInfo.Begin;
+      BitsIn.reset(BlockInfo.End);
+      BitsIn |= BlockInfo.Begin;
 
       // Update block LiveOut set, noting whether it has changed.
-      if (LocalLiveIn.test(BlockInfo.LiveOut)) {
+      if (BitsIn.test(BlockInfo.LiveOut)) {
         Changed = true;
-        BlockInfo.LiveOut |= LocalLiveIn;
+        BlockInfo.LiveOut |= BitsIn;
       }
     }
   } // while changed.