[InstCombine] Update stale comment. NFC

Datalayout is no longer optional so the comment didn't match what the code currently does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317594 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index cb4788576c59a54778c72d87b9f67d1edd84aeb7..2974449830d994d445e384735655049774928133 100644 (file)
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -426,8 +426,7 @@ Instruction *InstCombiner::foldCmpLoadFromIndexedGlobal(GetElementPtrInst *GEP,
 
     // Look for an appropriate type:
     // - The type of Idx if the magic fits
-    // - The smallest fitting legal type if we have a DataLayout
-    // - Default to i32
+    // - The smallest fitting legal type
     if (ArrayElementCount <= Idx->getType()->getIntegerBitWidth())
       Ty = Idx->getType();
     else