[ThinLTO] Internalize readonly globals
An attempt to recommit r346584 after failure on OSX build bot.
Fixed cache key computation in ThinLTOCodeGenerator and added
test case
llvm-svn: 347033
diff --git a/llvm/test/Bitcode/thinlto-function-summary-callgraph-cast.ll b/llvm/test/Bitcode/thinlto-function-summary-callgraph-cast.ll
index 45801c9..7964440 100644
--- a/llvm/test/Bitcode/thinlto-function-summary-callgraph-cast.ll
+++ b/llvm/test/Bitcode/thinlto-function-summary-callgraph-cast.ll
@@ -6,9 +6,9 @@
; CHECK: <GLOBALVAL_SUMMARY_BLOCK
; CHECK-NEXT: <VERSION
; "op7" is a call to "callee" function.
-; CHECK-NEXT: <PERMODULE {{.*}} op7=3 op8=[[ALIASID:[0-9]+]]/>
+; CHECK-NEXT: <PERMODULE {{.*}} op8=3 op9=[[ALIASID:[0-9]+]]/>
; "another_caller" has only references but no calls.
-; CHECK-NEXT: <PERMODULE {{.*}} op4=3 {{.*}} op7={{[0-9]+}}/>
+; CHECK-NEXT: <PERMODULE {{.*}} op4=3 {{.*}} op8={{[0-9]+}}/>
; CHECK-NEXT: <PERMODULE {{.*}} op0=[[ALIASEEID:[0-9]+]]
; CHECK-NEXT: <ALIAS {{.*}} op0=[[ALIASID]] {{.*}} op2=[[ALIASEEID]]/>
; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>