[llvm] ef7a847 - [LoopUnswitch] Remove redundant condition. (NFC) (#107893)

[via llvm-commits]

Author: Amr Hesham
Date: 2024-09-12T16:40:16+02:00
New Revision: ef7a847be2db0325fe8bbad7febac9e42c96d232

URL: https://github.com/llvm/llvm-project/commit/ef7a847be2db0325fe8bbad7febac9e42c96d232
DIFF: https://github.com/llvm/llvm-project/commit/ef7a847be2db0325fe8bbad7febac9e42c96d232.diff

LOG: [LoopUnswitch] Remove redundant condition. (NFC) (#107893)

Remove redundant condition from  '!A || (A && B)' to '!A || B' 

Fixes: #99799

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
index c235d2fb2a5bd4..f3f5ffb6b61b47 100644
--- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
@@ -770,8 +770,7 @@ static bool unswitchTrivialSwitch(Loop &L, SwitchInst &SI, DominatorTree &DT,
     // instruction in the block.
     auto *TI = BBToCheck.getTerminator();
     bool isUnreachable = isa<UnreachableInst>(TI);
-    return !isUnreachable ||
-           (isUnreachable && (BBToCheck.getFirstNonPHIOrDbg() != TI));
+    return !isUnreachable || BBToCheck.getFirstNonPHIOrDbg() != TI;
   };
 
   SmallVector<int, 4> ExitCaseIndices;