[NFC][AggressiveInstCombine] Remove redundant std::max.

Differential Revision: https://reviews.llvm.org/D74476

diff --git a/llvm/lib/Transforms/AggressiveInstCombine/TruncInstCombine.cpp b/llvm/lib/Transforms/AggressiveInstCombine/TruncInstCombine.cpp
index 7c57679..23db5ee 100644 (file)
--- a/llvm/lib/Transforms/AggressiveInstCombine/TruncInstCombine.cpp
+++ b/llvm/lib/Transforms/AggressiveInstCombine/TruncInstCombine.cpp
@@ -194,7 +194,7 @@ unsigned TruncInstCombine::getMinBitWidth() {
         unsigned IOpBitwidth = InstInfoMap.lookup(IOp).ValidBitWidth;
         if (IOpBitwidth >= ValidBitWidth)
           continue;
-        InstInfoMap[IOp].ValidBitWidth = std::max(ValidBitWidth, IOpBitwidth);
+        InstInfoMap[IOp].ValidBitWidth = ValidBitWidth;
         Worklist.push_back(IOp);
       }
   }