Reapply: R600: Make sure to inline all internal functions

Function calls aren't supported yet.

This was reverted due to build breakages, which should be fixed now.

llvm-svn: 221173
diff --git a/llvm/test/CodeGen/R600/call.ll b/llvm/test/CodeGen/R600/call.ll
index d803474..1448f04 100644
--- a/llvm/test/CodeGen/R600/call.ll
+++ b/llvm/test/CodeGen/R600/call.ll
@@ -1,7 +1,7 @@
 ; RUN: not llc -march=r600 -mcpu=SI -verify-machineinstrs< %s 2>&1 | FileCheck %s
 ; RUN: not llc -march=r600 -mcpu=cypress < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported call to function defined_function in test_call
+; CHECK: error: unsupported call to function external_function in test_call_external
 
 
 declare i32 @external_function(i32) nounwind