[IPO/ConstantMerge] Garbage collect dead code. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268442 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/ConstantMerge.cpp b/lib/Transforms/IPO/ConstantMerge.cpp
index 87f35fd64f006c17ece617144c65e4b68cf2cfeb..80470a706cddefe182348b5c5c8d99e713902d9c 100644 (file)
--- a/lib/Transforms/IPO/ConstantMerge.cpp
+++ b/lib/Transforms/IPO/ConstantMerge.cpp
@@ -45,9 +45,6 @@ namespace {
     // duplicate constants.
     bool runOnModule(Module &M) override;
 
-    // Return true iff we can determine the alignment of this global variable.
-    bool hasKnownAlignment(GlobalVariable *GV) const;
-
     // Return the alignment of the global, including converting the default
     // alignment to a concrete value.
     unsigned getAlignment(GlobalVariable *GV) const;