Revert r137134. It breaks some code as Eli pointed out.

llvm-svn: 137135

llvm/lib/Target/CBackend/CBackend.cpp

@@ -1817,7 +1817,7 @@ bool CWriter::doInitialization(Module &M) {
     Out << "\n\n/* Global Variable Declarations */\n";
     for (Module::global_iterator I = M.global_begin(), E = M.global_end();
          I != E; ++I)
-      if (I->isDeclaration()) {
+      if (!I->isDeclaration()) {
         // Ignore special globals, such as debug info.
         if (getGlobalVariableClass(I))
           continue;

llvm/test/CodeGen/CBackend/pr10081.ll

@@ -1,11 +0,0 @@
-; RUN: llc < %s -march=c | grep {static float _ZL3foo} | count 1
-; PR10081
-
-@_ZL3foo = internal global float 0.000000e+00, align 4
-
-define float @_Z3barv() nounwind ssp {
-  %1 = load float* @_ZL3foo, align 4
-  %2 = fadd float %1, 1.000000e+00
-  store float %2, float* @_ZL3foo, align 4
-  ret float %1
-}