[ARM] Remove unused declaration. NFC.

GlobalMerge was moved to lib/CodeGen a while ago, and is no longer
called "ARMGlobalMerge".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229448 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h
index 0703b1869a1a37919e971348ea4772ff7d0bea37..d3cc068993e05717e79ba222830554f295b8dbb1 100644 (file)
--- a/lib/Target/ARM/ARM.h
+++ b/lib/Target/ARM/ARM.h
@@ -34,7 +34,6 @@ FunctionPass *createA15SDOptimizerPass();
 FunctionPass *createARMLoadStoreOptimizationPass(bool PreAlloc = false);
 FunctionPass *createARMExpandPseudoPass();
 FunctionPass *createARMGlobalBaseRegPass();
-FunctionPass *createARMGlobalMergePass(const TargetLowering* tli);
 FunctionPass *createARMConstantIslandPass();
 FunctionPass *createMLxExpansionPass();
 FunctionPass *createThumb2ITBlockPass();